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Collection: Springs - Extension - Music Wire

Springs (With Images)

Extension

Music Wire
Stainless Steel

894 Products in this selection

Includes long lengths up to 1 metre
Zinc Plated Spring Steel not recommended for applications exceeding 121 ^oC (250 Deg F).
302 Stainless springs not recommended for applications exceeding 260 ^oC (500 Deg F).
302 stainless steel is slightly magnetic.

Additional resources:
Spings Catalogue PDF
Spring Anchors

A more concise listing may be found on the Smallparts store at Springs - Extension - Music Wire. Smallparts promote the most popular MBA products.

OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Spring Rate	Initial Tension (IT)	Indicative Image
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 88.9 mm _{(3.5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 201.170 mm	Spring Rate 0.753 N/mm	Initial Tension (IT) 8.4 N
Material: Steel Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-0889-20-M Extension Springs - 28.58x88.9x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $38.59 AUD Regular price Sale price $38.59 AUD Unit price per Each
OD (D0)	Overall Length (L0)	Wire Diameter (d)	Max. Extension (L1)	Indicative Image
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 88.9 mm _{(3.5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 201.170 mm
Material: Steel Spring Rate: 0.753 N/mm Initial Tension (IT): 8.4 N Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-0889-20-M Extension Springs - 28.58x88.9x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $38.59 AUD Regular price Sale price $38.59 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-0889-20-M --- Extension Springs - 28.58x88.9x2.01 mm - Steel ES-2858-0889-20-M --- Extension Springs - 28.58x88.9x2.01 mm - Steel Regular price $38.59 AUD Regular price Sale price $38.59 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 88.9 mm _{(3.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 158.750 mm	Spring Rate 1.490 N/mm	Initial Tension (IT) 15.1 N
Material: Steel Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-0889-25-M Extension Springs - 28.58x88.9x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $46.50 AUD Regular price Sale price $46.50 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 88.9 mm _{(3.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 158.750 mm
Material: Steel Spring Rate: 1.490 N/mm Initial Tension (IT): 15.1 N Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-0889-25-M Extension Springs - 28.58x88.9x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $46.50 AUD Regular price Sale price $46.50 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-0889-25-M --- Extension Springs - 28.58x88.9x2.49 mm - Steel ES-2858-0889-25-M --- Extension Springs - 28.58x88.9x2.49 mm - Steel Regular price $46.50 AUD Regular price Sale price $46.50 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 88.9 mm _{(3.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 135.640 mm	Spring Rate 5.310 N/mm	Initial Tension (IT) 24.5 N
Material: Steel Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-0889-31-M Extension Springs - 28.58x88.9x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $59.05 AUD Regular price Sale price $59.05 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 88.9 mm _{(3.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 135.640 mm
Material: Steel Spring Rate: 5.310 N/mm Initial Tension (IT): 24.5 N Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-0889-31-M Extension Springs - 28.58x88.9x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $59.05 AUD Regular price Sale price $59.05 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-0889-31-M --- Extension Springs - 28.58x88.9x3.15 mm - Steel ES-2858-0889-31-M --- Extension Springs - 28.58x88.9x3.15 mm - Steel Regular price $59.05 AUD Regular price Sale price $59.05 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 101.6 mm _{(4 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 256.790 mm	Spring Rate 0.543 N/mm	Initial Tension (IT) 8.4 N
Material: Steel Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1016-20-M Extension Springs - 28.58x101.6x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $41.77 AUD Regular price Sale price $41.77 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 101.6 mm _{(4 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 256.790 mm
Material: Steel Spring Rate: 0.543 N/mm Initial Tension (IT): 8.4 N Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1016-20-M Extension Springs - 28.58x101.6x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $41.77 AUD Regular price Sale price $41.77 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1016-20-M --- Extension Springs - 28.58x101.6x2.01 mm - Steel ES-2858-1016-20-M --- Extension Springs - 28.58x101.6x2.01 mm - Steel Regular price $41.77 AUD Regular price Sale price $41.77 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 101.6 mm _{(4 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 196.600 mm	Spring Rate 1.103 N/mm	Initial Tension (IT) 15.1 N
Material: Steel Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1016-25-M Extension Springs - 28.58x101.6x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $51.14 AUD Regular price Sale price $51.14 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 101.6 mm _{(4 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 196.600 mm
Material: Steel Spring Rate: 1.103 N/mm Initial Tension (IT): 15.1 N Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1016-25-M Extension Springs - 28.58x101.6x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $51.14 AUD Regular price Sale price $51.14 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1016-25-M --- Extension Springs - 28.58x101.6x2.49 mm - Steel ES-2858-1016-25-M --- Extension Springs - 28.58x101.6x2.49 mm - Steel Regular price $51.14 AUD Regular price Sale price $51.14 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 101.6 mm _{(4 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 164.590 mm	Spring Rate 3.940 N/mm	Initial Tension (IT) 24.5 N
Material: Steel Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1016-31-M Extension Springs - 28.58x101.6x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $64.95 AUD Regular price Sale price $64.95 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 101.6 mm _{(4 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 164.590 mm
Material: Steel Spring Rate: 3.940 N/mm Initial Tension (IT): 24.5 N Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1016-31-M Extension Springs - 28.58x101.6x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $64.95 AUD Regular price Sale price $64.95 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1016-31-M --- Extension Springs - 28.58x101.6x3.15 mm - Steel ES-2858-1016-31-M --- Extension Springs - 28.58x101.6x3.15 mm - Steel Regular price $64.95 AUD Regular price Sale price $64.95 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 312.170 mm	Spring Rate 0.438 N/mm	Initial Tension (IT) 8.4 N
Material: Steel Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1143-20-M Extension Springs - 28.58x114.3x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $44.68 AUD Regular price Sale price $44.68 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 312.170 mm
Material: Steel Spring Rate: 0.438 N/mm Initial Tension (IT): 8.4 N Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1143-20-M Extension Springs - 28.58x114.3x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $44.68 AUD Regular price Sale price $44.68 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1143-20-M --- Extension Springs - 28.58x114.3x2.01 mm - Steel ES-2858-1143-20-M --- Extension Springs - 28.58x114.3x2.01 mm - Steel Regular price $44.68 AUD Regular price Sale price $44.68 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 234.700 mm	Spring Rate 0.876 N/mm	Initial Tension (IT) 15.1 N
Material: Steel Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1143-25-M Extension Springs - 28.58x114.3x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $55.68 AUD Regular price Sale price $55.68 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 234.700 mm
Material: Steel Spring Rate: 0.876 N/mm Initial Tension (IT): 15.1 N Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1143-25-M Extension Springs - 28.58x114.3x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $55.68 AUD Regular price Sale price $55.68 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1143-25-M --- Extension Springs - 28.58x114.3x2.49 mm - Steel ES-2858-1143-25-M --- Extension Springs - 28.58x114.3x2.49 mm - Steel Regular price $55.68 AUD Regular price Sale price $55.68 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 193.290 mm	Spring Rate 3.130 N/mm	Initial Tension (IT) 24.5 N
Material: Steel Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1143-31-M Extension Springs - 28.58x114.3x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $70.23 AUD Regular price Sale price $70.23 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 114.3 mm _{(4.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 193.290 mm
Material: Steel Spring Rate: 3.130 N/mm Initial Tension (IT): 24.5 N Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1143-31-M Extension Springs - 28.58x114.3x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $70.23 AUD Regular price Sale price $70.23 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1143-31-M --- Extension Springs - 28.58x114.3x3.15 mm - Steel ES-2858-1143-31-M --- Extension Springs - 28.58x114.3x3.15 mm - Steel Regular price $70.23 AUD Regular price Sale price $70.23 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 127.0 mm _{(5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 367.540 mm	Spring Rate 0.350 N/mm	Initial Tension (IT) 8.4 N
Material: Steel Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1270-20-M Extension Springs - 28.58x127x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $47.50 AUD Regular price Sale price $47.50 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 127.0 mm _{(5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 367.540 mm
Material: Steel Spring Rate: 0.350 N/mm Initial Tension (IT): 8.4 N Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1270-20-M Extension Springs - 28.58x127x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $47.50 AUD Regular price Sale price $47.50 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1270-20-M --- Extension Springs - 28.58x127x2.01 mm - Steel ES-2858-1270-20-M --- Extension Springs - 28.58x127x2.01 mm - Steel Regular price $47.50 AUD Regular price Sale price $47.50 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 127.0 mm _{(5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 272.540 mm	Spring Rate 0.718 N/mm	Initial Tension (IT) 15.1 N
Material: Steel Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1270-25-M Extension Springs - 28.58x127x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $58.68 AUD Regular price Sale price $58.68 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 127.0 mm _{(5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 272.540 mm
Material: Steel Spring Rate: 0.718 N/mm Initial Tension (IT): 15.1 N Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1270-25-M Extension Springs - 28.58x127x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $58.68 AUD Regular price Sale price $58.68 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1270-25-M --- Extension Springs - 28.58x127x2.49 mm - Steel ES-2858-1270-25-M --- Extension Springs - 28.58x127x2.49 mm - Steel Regular price $58.68 AUD Regular price Sale price $58.68 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 127.0 mm _{(5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 222.250 mm	Spring Rate 2.610 N/mm	Initial Tension (IT) 24.5 N
Material: Steel Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1270-31-M Extension Springs - 28.58x127x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $75.14 AUD Regular price Sale price $75.14 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 127.0 mm _{(5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 222.250 mm
Material: Steel Spring Rate: 2.610 N/mm Initial Tension (IT): 24.5 N Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1270-31-M Extension Springs - 28.58x127x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $75.14 AUD Regular price Sale price $75.14 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1270-31-M --- Extension Springs - 28.58x127x3.15 mm - Steel ES-2858-1270-31-M --- Extension Springs - 28.58x127x3.15 mm - Steel Regular price $75.14 AUD Regular price Sale price $75.14 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 139.7 mm _{(5.5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 422.910 mm	Spring Rate 0.298 N/mm	Initial Tension (IT) 8.4 N
Material: Steel Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1397-20-M Extension Springs - 28.58x139.7x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $51.32 AUD Regular price Sale price $51.32 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 139.7 mm _{(5.5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 422.910 mm
Material: Steel Spring Rate: 0.298 N/mm Initial Tension (IT): 8.4 N Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1397-20-M Extension Springs - 28.58x139.7x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $51.32 AUD Regular price Sale price $51.32 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1397-20-M --- Extension Springs - 28.58x139.7x2.01 mm - Steel ES-2858-1397-20-M --- Extension Springs - 28.58x139.7x2.01 mm - Steel Regular price $51.32 AUD Regular price Sale price $51.32 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 139.7 mm _{(5.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 310.640 mm	Spring Rate 0.613 N/mm	Initial Tension (IT) 15.1 N
Material: Steel Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1397-25-M Extension Springs - 28.58x139.7x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $62.68 AUD Regular price Sale price $62.68 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 139.7 mm _{(5.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 310.640 mm
Material: Steel Spring Rate: 0.613 N/mm Initial Tension (IT): 15.1 N Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1397-25-M Extension Springs - 28.58x139.7x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $62.68 AUD Regular price Sale price $62.68 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1397-25-M --- Extension Springs - 28.58x139.7x2.49 mm - Steel ES-2858-1397-25-M --- Extension Springs - 28.58x139.7x2.49 mm - Steel Regular price $62.68 AUD Regular price Sale price $62.68 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 139.7 mm _{(5.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 250.950 mm	Spring Rate 2.220 N/mm	Initial Tension (IT) 24.5 N
Material: Steel Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1397-31-M Extension Springs - 28.58x139.7x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $82.77 AUD Regular price Sale price $82.77 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 139.7 mm _{(5.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 250.950 mm
Material: Steel Spring Rate: 2.220 N/mm Initial Tension (IT): 24.5 N Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1397-31-M Extension Springs - 28.58x139.7x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $82.77 AUD Regular price Sale price $82.77 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1397-31-M --- Extension Springs - 28.58x139.7x3.15 mm - Steel ES-2858-1397-31-M --- Extension Springs - 28.58x139.7x3.15 mm - Steel Regular price $82.77 AUD Regular price Sale price $82.77 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 152.4 mm _{(6 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 478.540 mm	Spring Rate 0.263 N/mm	Initial Tension (IT) 8.4 N
Material: Steel Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1524-20-M Extension Springs - 28.58x152.4x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $54.59 AUD Regular price Sale price $54.59 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 152.4 mm _{(6 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 478.540 mm
Material: Steel Spring Rate: 0.263 N/mm Initial Tension (IT): 8.4 N Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1524-20-M Extension Springs - 28.58x152.4x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $54.59 AUD Regular price Sale price $54.59 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1524-20-M --- Extension Springs - 28.58x152.4x2.01 mm - Steel ES-2858-1524-20-M --- Extension Springs - 28.58x152.4x2.01 mm - Steel Regular price $54.59 AUD Regular price Sale price $54.59 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 152.4 mm _{(6 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 348.490 mm	Spring Rate 0.543 N/mm	Initial Tension (IT) 15.1 N
Material: Steel Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1524-25-M Extension Springs - 28.58x152.4x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $67.05 AUD Regular price Sale price $67.05 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 152.4 mm _{(6 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 348.490 mm
Material: Steel Spring Rate: 0.543 N/mm Initial Tension (IT): 15.1 N Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1524-25-M Extension Springs - 28.58x152.4x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $67.05 AUD Regular price Sale price $67.05 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1524-25-M --- Extension Springs - 28.58x152.4x2.49 mm - Steel ES-2858-1524-25-M --- Extension Springs - 28.58x152.4x2.49 mm - Steel Regular price $67.05 AUD Regular price Sale price $67.05 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 152.4 mm _{(6 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 279.910 mm	Spring Rate 1.944 N/mm	Initial Tension (IT) 24.5 N
Material: Steel Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1524-31-M Extension Springs - 28.58x152.4x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $88.14 AUD Regular price Sale price $88.14 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 152.4 mm _{(6 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 279.910 mm
Material: Steel Spring Rate: 1.944 N/mm Initial Tension (IT): 24.5 N Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1524-31-M Extension Springs - 28.58x152.4x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $88.14 AUD Regular price Sale price $88.14 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1524-31-M --- Extension Springs - 28.58x152.4x3.15 mm - Steel ES-2858-1524-31-M --- Extension Springs - 28.58x152.4x3.15 mm - Steel Regular price $88.14 AUD Regular price Sale price $88.14 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 165.1 mm _{(6.5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 533.910 mm	Spring Rate 0.228 N/mm	Initial Tension (IT) 8.4 N
Material: Steel Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1651-20-M Extension Springs - 28.58x165.1x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $57.41 AUD Regular price Sale price $57.41 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 165.1 mm _{(6.5 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 533.910 mm
Material: Steel Spring Rate: 0.228 N/mm Initial Tension (IT): 8.4 N Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1651-20-M Extension Springs - 28.58x165.1x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $57.41 AUD Regular price Sale price $57.41 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1651-20-M --- Extension Springs - 28.58x165.1x2.01 mm - Steel ES-2858-1651-20-M --- Extension Springs - 28.58x165.1x2.01 mm - Steel Regular price $57.41 AUD Regular price Sale price $57.41 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 165.1 mm _{(6.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 386.590 mm	Spring Rate 0.473 N/mm	Initial Tension (IT) 15.1 N
Material: Steel Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1651-25-M Extension Springs - 28.58x165.1x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $70.77 AUD Regular price Sale price $70.77 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 165.1 mm _{(6.5 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 386.590 mm
Material: Steel Spring Rate: 0.473 N/mm Initial Tension (IT): 15.1 N Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1651-25-M Extension Springs - 28.58x165.1x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $70.77 AUD Regular price Sale price $70.77 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1651-25-M --- Extension Springs - 28.58x165.1x2.49 mm - Steel ES-2858-1651-25-M --- Extension Springs - 28.58x165.1x2.49 mm - Steel Regular price $70.77 AUD Regular price Sale price $70.77 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 165.1 mm _{(6.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 308.610 mm	Spring Rate 1.734 N/mm	Initial Tension (IT) 24.5 N
Material: Steel Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1651-31-M Extension Springs - 28.58x165.1x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $93.23 AUD Regular price Sale price $93.23 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 165.1 mm _{(6.5 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 308.610 mm
Material: Steel Spring Rate: 1.734 N/mm Initial Tension (IT): 24.5 N Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1651-31-M Extension Springs - 28.58x165.1x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $93.23 AUD Regular price Sale price $93.23 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1651-31-M --- Extension Springs - 28.58x165.1x3.15 mm - Steel ES-2858-1651-31-M --- Extension Springs - 28.58x165.1x3.15 mm - Steel Regular price $93.23 AUD Regular price Sale price $93.23 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 589.280 mm	Spring Rate 0.210 N/mm	Initial Tension (IT) 8.4 N
Material: Steel Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1778-20-M Extension Springs - 28.58x177.8x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $59.59 AUD Regular price Sale price $59.59 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 2.01 mm _{(0.079 in.)}	Max. Extension (L1) 589.280 mm
Material: Steel Spring Rate: 0.210 N/mm Initial Tension (IT): 8.4 N Load at L1: 93.280 N End Type: Closed - Full Loop
Part Number: ES-2858-1778-20-M Extension Springs - 28.58x177.8x2.01 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $59.59 AUD Regular price Sale price $59.59 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1778-20-M --- Extension Springs - 28.58x177.8x2.01 mm - Steel ES-2858-1778-20-M --- Extension Springs - 28.58x177.8x2.01 mm - Steel Regular price $59.59 AUD Regular price Sale price $59.59 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 424.430 mm	Spring Rate 0.438 N/mm	Initial Tension (IT) 15.1 N
Material: Steel Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1778-25-M Extension Springs - 28.58x177.8x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $74.77 AUD Regular price Sale price $74.77 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 2.49 mm _{(0.098 in.)}	Max. Extension (L1) 424.430 mm
Material: Steel Spring Rate: 0.438 N/mm Initial Tension (IT): 15.1 N Load at L1: 121.040 N End Type: Closed - Full Loop
Part Number: ES-2858-1778-25-M Extension Springs - 28.58x177.8x2.49 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $74.77 AUD Regular price Sale price $74.77 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1778-25-M --- Extension Springs - 28.58x177.8x2.49 mm - Steel ES-2858-1778-25-M --- Extension Springs - 28.58x177.8x2.49 mm - Steel Regular price $74.77 AUD Regular price Sale price $74.77 AUD Unit price per Out of stock! Backorder Now
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 337.570 mm	Spring Rate 1.559 N/mm	Initial Tension (IT) 24.5 N
Material: Steel Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1778-31-M Extension Springs - 28.58x177.8x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $100.23 AUD Regular price Sale price $100.23 AUD Unit price per Each
OD (D0) 28.58 mm _{(1.125 in.)}	Overall Length (L0) 177.8 mm _{(7 in.)}	Wire Diameter (d) 3.15 mm _{(0.124 in.)}	Max. Extension (L1) 337.570 mm
Material: Steel Spring Rate: 1.559 N/mm Initial Tension (IT): 24.5 N Load at L1: 272.450 N End Type: Closed - Full Loop
Part Number: ES-2858-1778-31-M Extension Springs - 28.58x177.8x3.15 mm - Steel Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 09, 2025 Regular price $100.23 AUD Regular price Sale price $100.23 AUD Unit price per Each View the product page first if you are unsure.
ES-2858-1778-31-M --- Extension Springs - 28.58x177.8x3.15 mm - Steel ES-2858-1778-31-M --- Extension Springs - 28.58x177.8x3.15 mm - Steel Regular price $100.23 AUD Regular price Sale price $100.23 AUD Unit price per Out of stock! Backorder Now