Collection: Washers - Lock - Split - Steel

Washers (With Images)

Lock

Split

31 Products in this selection

Plain and zinc plated
Dimensions are nominal and may vary between batches.
Washers designed to be used to help prevent nuts from vibrating loose.

Additional resources:
Screws

A more concise listing may be found on the Smallparts store at Washers - Lock - Split - Steel. Smallparts promote the most popular MBA products.

Nom. ID	OD	Material Thickness (T)	Indicative Image
Nom. ID 15.875 mm + 0.6 / - 0.0 _{(0.625 in.)}	OD 27.1 mm _{(1.067 in.)}	Material Thickness (T) 4.00 mm _{(0.157 in.)}
Material: Zinc Plated Steel Screw Size: M16, 5/8 Specs: ANSI B18.21.1 Actual ID (Ref): 16.1 mm
Part Number: W0159-T-027-040-L-CZ (100 Pcs) Lock Washers - 15.875x27.1x4 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $22.50 AUD Regular price Sale price $22.50 AUD Unit price per Per 100
Nom. ID	OD	Material Thickness (T)	Indicative Image
Nom. ID 15.875 mm + 0.6 / - 0.0 _{(0.625 in.)}	OD 27.1 mm _{(1.067 in.)}	Material Thickness (T) 4.00 mm _{(0.157 in.)}
Material: Zinc Plated Steel Screw Size: M16, 5/8 Specs: ANSI B18.21.1 Actual ID (Ref): 16.1 mm
Part Number: W0159-T-027-040-L-CZ (100 Pcs) Lock Washers - 15.875x27.1x4 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $22.50 AUD Regular price Sale price $22.50 AUD Unit price per Per 100 View the product page first if you are unsure.
W0159-T-027-040-L-CZ (100 Pcs) --- Lock Washers - 15.875x27.1x4 mm W0159-T-027-040-L-CZ (100 Pcs) --- Lock Washers - 15.875x27.1x4 mm Regular price $22.50 AUD Regular price Sale price $22.50 AUD Unit price per Out of stock! Backorder Now
Nom. ID 19.05 mm + 0.8 / - 0.0 _{(0.75 in.)}	OD 31.9 mm _{(1.256 in.)}	Material Thickness (T) 4.80 mm _{(0.189 in.)}
Material: Zinc Plated Steel Screw Size: 3/4 Specs: ANSI B18.21.1 Actual ID (Ref): 19.3 mm
Part Number: W0191-T-032-048-L-CZ (100 Pcs) Lock Washers - 19.05x31.9x4.8 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $62.59 AUD Regular price Sale price $62.59 AUD Unit price per Per 100
Nom. ID 19.05 mm + 0.8 / - 0.0 _{(0.75 in.)}	OD 31.9 mm _{(1.256 in.)}	Material Thickness (T) 4.80 mm _{(0.189 in.)}
Material: Zinc Plated Steel Screw Size: 3/4 Specs: ANSI B18.21.1 Actual ID (Ref): 19.3 mm
Part Number: W0191-T-032-048-L-CZ (100 Pcs) Lock Washers - 19.05x31.9x4.8 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $62.59 AUD Regular price Sale price $62.59 AUD Unit price per Per 100 View the product page first if you are unsure.
W0191-T-032-048-L-CZ (100 Pcs) --- Lock Washers - 19.05x31.9x4.8 mm W0191-T-032-048-L-CZ (100 Pcs) --- Lock Washers - 19.05x31.9x4.8 mm Regular price $62.59 AUD Regular price Sale price $62.59 AUD Unit price per Out of stock! Backorder Now
Nom. ID 20 mm + 0.8 / - 0.0 _{(0.787 in.)}	OD 32 mm _{(1.26 in.)}	Material Thickness (T) 4.00 mm _{(0.157 in.)}
Material: Zinc Plated Steel Screw Size: M20 Specs: DIN 127 B Actual ID (Ref): 20.2 mm
Part Number: W0200-T-032-040-L-CZ (50 Pcs) Lock Washers - 20x32x4 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $34.32 AUD Regular price Sale price $34.32 AUD Unit price per Per 50
Nom. ID 20 mm + 0.8 / - 0.0 _{(0.787 in.)}	OD 32 mm _{(1.26 in.)}	Material Thickness (T) 4.00 mm _{(0.157 in.)}
Material: Zinc Plated Steel Screw Size: M20 Specs: DIN 127 B Actual ID (Ref): 20.2 mm
Part Number: W0200-T-032-040-L-CZ (50 Pcs) Lock Washers - 20x32x4 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $34.32 AUD Regular price Sale price $34.32 AUD Unit price per Per 50 View the product page first if you are unsure.
W0200-T-032-040-L-CZ (50 Pcs) --- Lock Washers - 20x32x4 mm W0200-T-032-040-L-CZ (50 Pcs) --- Lock Washers - 20x32x4 mm Regular price $34.32 AUD Regular price Sale price $34.32 AUD Unit price per Out of stock! Backorder Now
Nom. ID 22 mm + 1.0 / - 0.0 _{(0.866 in.)}	OD 35 mm _{(1.378 in.)}	Material Thickness (T) 5.60 mm _{(0.22 in.)}
Material: Zinc Plated Steel Screw Size: 7/8 Specs: ANSI B18.21.1 Actual ID (Ref): 22.4 mm
Part Number: W0220-T-035-056-L-CZ (50 Pcs) Lock Washers - 22x35x5.6 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $42.68 AUD Regular price Sale price $42.68 AUD Unit price per Per 50
Nom. ID 22 mm + 1.0 / - 0.0 _{(0.866 in.)}	OD 35 mm _{(1.378 in.)}	Material Thickness (T) 5.60 mm _{(0.22 in.)}
Material: Zinc Plated Steel Screw Size: 7/8 Specs: ANSI B18.21.1 Actual ID (Ref): 22.4 mm
Part Number: W0220-T-035-056-L-CZ (50 Pcs) Lock Washers - 22x35x5.6 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $42.68 AUD Regular price Sale price $42.68 AUD Unit price per Per 50 View the product page first if you are unsure.
W0220-T-035-056-L-CZ (50 Pcs) --- Lock Washers - 22x35x5.6 mm W0220-T-035-056-L-CZ (50 Pcs) --- Lock Washers - 22x35x5.6 mm Regular price $42.68 AUD Regular price Sale price $42.68 AUD Unit price per Out of stock! Backorder Now
Nom. ID 24 mm + 1.0 / - 0.0 _{(0.945 in.)}	OD 38 mm _{(1.496 in.)}	Material Thickness (T) 5.00 mm _{(0.197 in.)}
Material: Zinc Plated Steel Screw Size: M24 Specs: DIN 127 B Actual ID (Ref): 24.2 mm
Part Number: W0240-T-038-050-L-CZ (50 Pcs) Lock Washers - 24x38x5 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $71.68 AUD Regular price Sale price $71.68 AUD Unit price per Per 50
Nom. ID 24 mm + 1.0 / - 0.0 _{(0.945 in.)}	OD 38 mm _{(1.496 in.)}	Material Thickness (T) 5.00 mm _{(0.197 in.)}
Material: Zinc Plated Steel Screw Size: M24 Specs: DIN 127 B Actual ID (Ref): 24.2 mm
Part Number: W0240-T-038-050-L-CZ (50 Pcs) Lock Washers - 24x38x5 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $71.68 AUD Regular price Sale price $71.68 AUD Unit price per Per 50 View the product page first if you are unsure.
W0240-T-038-050-L-CZ (50 Pcs) --- Lock Washers - 24x38x5 mm W0240-T-038-050-L-CZ (50 Pcs) --- Lock Washers - 24x38x5 mm Regular price $71.68 AUD Regular price Sale price $71.68 AUD Unit price per Out of stock! Backorder Now
Nom. ID 25.4 mm + 1.0 / - 0.0 _{(1 in.)}	OD 41.2 mm _{(1.622 in.)}	Material Thickness (T) 6.40 mm _{(0.252 in.)}
Material: Zinc Plated Steel Screw Size: 1 in. Specs: ANSI B18.21.1 Actual ID (Ref): 25.7 mm
Part Number: W0254-T-041-064-L-CZ (50 Pcs) Lock Washers - 25.4x41.2x6.4 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $83.86 AUD Regular price Sale price $83.86 AUD Unit price per Per 50
Nom. ID 25.4 mm + 1.0 / - 0.0 _{(1 in.)}	OD 41.2 mm _{(1.622 in.)}	Material Thickness (T) 6.40 mm _{(0.252 in.)}
Material: Zinc Plated Steel Screw Size: 1 in. Specs: ANSI B18.21.1 Actual ID (Ref): 25.7 mm
Part Number: W0254-T-041-064-L-CZ (50 Pcs) Lock Washers - 25.4x41.2x6.4 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $83.86 AUD Regular price Sale price $83.86 AUD Unit price per Per 50 View the product page first if you are unsure.
W0254-T-041-064-L-CZ (50 Pcs) --- Lock Washers - 25.4x41.2x6.4 mm W0254-T-041-064-L-CZ (50 Pcs) --- Lock Washers - 25.4x41.2x6.4 mm Regular price $83.86 AUD Regular price Sale price $83.86 AUD Unit price per Out of stock! Backorder Now
Nom. ID 31.8 mm + 1.2 / - 0.0 _{(1.252 in.)}	OD 50.8 mm _{(2 in.)}	Material Thickness (T) 7.90 mm _{(0.311 in.)}
Material: Zinc Plated Steel Screw Size: 1.1/4 Specs: ANSI B18.21.1 Actual ID (Ref): 32 mm
Part Number: W0318-T-051-079-L-CZ (5 Pcs) Lock Washers - 31.8x50.8x7.9 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $25.68 AUD Regular price Sale price $25.68 AUD Unit price per Per 5
Nom. ID 31.8 mm + 1.2 / - 0.0 _{(1.252 in.)}	OD 50.8 mm _{(2 in.)}	Material Thickness (T) 7.90 mm _{(0.311 in.)}
Material: Zinc Plated Steel Screw Size: 1.1/4 Specs: ANSI B18.21.1 Actual ID (Ref): 32 mm
Part Number: W0318-T-051-079-L-CZ (5 Pcs) Lock Washers - 31.8x50.8x7.9 mm Out of Stock \| Backorder Now \| Orders can be expected around Wed, Jul 23, 2025 Regular price $25.68 AUD Regular price Sale price $25.68 AUD Unit price per Per 5 View the product page first if you are unsure.
W0318-T-051-079-L-CZ (5 Pcs) --- Lock Washers - 31.8x50.8x7.9 mm W0318-T-051-079-L-CZ (5 Pcs) --- Lock Washers - 31.8x50.8x7.9 mm Regular price $25.68 AUD Regular price Sale price $25.68 AUD Unit price per Out of stock! Backorder Now