Collection: Washers - Lock - Internal Tooth - Stainless Steel

12 Products in this selection
  • These are not the same as push on retaining rings. This product is not designed to grip a shaft. Search for push on retaining rings if that is what you require.
  • 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 - Internal Tooth - Stainless Steel. Smallparts promote the most popular MBA products.
Nom. ID OD Material Thickness (T) Indicative
Image
Nom. ID
2
mm

(0.079 in.)
OD
4.5
mm

(0.177 in.)
Material Thickness (T)
0.30
mm

(0.012 in.)
Lock Washers - 2x4.5x0.3 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M2    Actual ID (Ref): 2.2 mm   
Part Number: W0020-LI-005-003-S4 (50 Pcs) Lock Washers - 2x4.5x0.3 mm
3 units (150 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID OD Material Thickness (T) Indicative
Image
Nom. ID
2
mm

(0.079 in.)
OD
4.5
mm

(0.177 in.)
Material Thickness (T)
0.30
mm

(0.012 in.)
Lock Washers - 2x4.5x0.3 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M2    Actual ID (Ref): 2.2 mm   
Part Number: W0020-LI-005-003-S4 (50 Pcs) Lock Washers - 2x4.5x0.3 mm
3 units (150 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
2.5
mm

(0.098 in.)
OD
5.5
mm

(0.217 in.)
Material Thickness (T)
0.40
mm

(0.016 in.)
Lock Washers - 2.5x5.5x0.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M2.5    Actual ID (Ref): 2.7 mm   
Part Number: W0025-LI-006-004-S4 (50 Pcs) Lock Washers - 2.5x5.5x0.4 mm
5 units (250 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
2.5
mm

(0.098 in.)
OD
5.5
mm

(0.217 in.)
Material Thickness (T)
0.40
mm

(0.016 in.)
Lock Washers - 2.5x5.5x0.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M2.5    Actual ID (Ref): 2.7 mm   
Part Number: W0025-LI-006-004-S4 (50 Pcs) Lock Washers - 2.5x5.5x0.4 mm
5 units (250 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
3
mm

(0.118 in.)
OD
6
mm

(0.236 in.)
Material Thickness (T)
0.40
mm

(0.016 in.)
Lock Washers - 3x6x0.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M3 (3x0.5mm)    Actual ID (Ref): 3.2 mm   
Part Number: W0030-LI-006-004-S4 (50 Pcs) Lock Washers - 3x6x0.4 mm
10 units (500 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
3
mm

(0.118 in.)
OD
6
mm

(0.236 in.)
Material Thickness (T)
0.40
mm

(0.016 in.)
Lock Washers - 3x6x0.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M3 (3x0.5mm)    Actual ID (Ref): 3.2 mm   
Part Number: W0030-LI-006-004-S4 (50 Pcs) Lock Washers - 3x6x0.4 mm
10 units (500 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
3.5
mm

(0.138 in.)
OD
7.1
mm

(0.28 in.)
Material Thickness (T)
0.50
mm

(0.02 in.)
Lock Washers - 3.5x7.1x0.5 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: 6 (UNC/UNF)   
Part Number: W0035-LI-007-005-S4 (10 Pcs) Lock Washers - 3.5x7.1x0.5 mm
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
3.5
mm

(0.138 in.)
OD
7.1
mm

(0.28 in.)
Material Thickness (T)
0.50
mm

(0.02 in.)
Lock Washers - 3.5x7.1x0.5 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: 6 (UNC/UNF)   
Part Number: W0035-LI-007-005-S4 (10 Pcs) Lock Washers - 3.5x7.1x0.5 mm
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
4
mm

(0.157 in.)
OD
8.8
mm

(0.346 in.)
Material Thickness (T)
0.60
mm

(0.024 in.)
Lock Washers - 4x8.8x0.6 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M4 (4x0.7mm)    Actual ID (Ref): 4.2 mm   
Part Number: W0040-LI-009-006-S4 (50 Pcs) Lock Washers - 4x8.8x0.6 mm
3 units (150 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
4
mm

(0.157 in.)
OD
8.8
mm

(0.346 in.)
Material Thickness (T)
0.60
mm

(0.024 in.)
Lock Washers - 4x8.8x0.6 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M4 (4x0.7mm)    Actual ID (Ref): 4.2 mm   
Part Number: W0040-LI-009-006-S4 (50 Pcs) Lock Washers - 4x8.8x0.6 mm
3 units (150 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
4.166
mm

(0.164 in.)
OD
8.3
mm

(0.327 in.)
Material Thickness (T)
0.50
mm

(0.02 in.)
Lock Washers - 4.166x8.3x0.5 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: 8 (UNC/UNF)   
Part Number: W0042-LI-008-005-S4 (10 Pcs) Lock Washers - 4.166x8.3x0.5 mm
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
4.166
mm

(0.164 in.)
OD
8.3
mm

(0.327 in.)
Material Thickness (T)
0.50
mm

(0.02 in.)
Lock Washers - 4.166x8.3x0.5 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: 8 (UNC/UNF)   
Part Number: W0042-LI-008-005-S4 (10 Pcs) Lock Washers - 4.166x8.3x0.5 mm
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
6
mm

(0.236 in.)
OD
13
mm

(0.512 in.)
Material Thickness (T)
0.70
mm

(0.028 in.)
1066478 | W0060-LI-013-007-S4 (50 Pcs) --- Lock Washers - 6x13x0.7 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M6    Actual ID (Ref): 6.2 mm   
Part Number: W0060-LI-013-007-S4 (50 Pcs) Lock Washers - 6x13x0.7 mm
17 units (850 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
6
mm

(0.236 in.)
OD
13
mm

(0.512 in.)
Material Thickness (T)
0.70
mm

(0.028 in.)
1066478 | W0060-LI-013-007-S4 (50 Pcs) --- Lock Washers - 6x13x0.7 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M6    Actual ID (Ref): 6.2 mm   
Part Number: W0060-LI-013-007-S4 (50 Pcs) Lock Washers - 6x13x0.7 mm
17 units (850 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
6.35
mm

(0.25 in.)
OD
11.9
mm

(0.469 in.)
Material Thickness (T)
0.60
mm

(0.024 in.)
1071301 | W0064-LI-012-006-S4 (10 Pcs) --- Lock Washers - 6.35x11.9x0.6 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: 1/4 (UNC/UNF)   
Part Number: W0064-LI-012-006-S4 (10 Pcs) Lock Washers - 6.35x11.9x0.6 mm
2 units (20 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
6.35
mm

(0.25 in.)
OD
11.9
mm

(0.469 in.)
Material Thickness (T)
0.60
mm

(0.024 in.)
1071301 | W0064-LI-012-006-S4 (10 Pcs) --- Lock Washers - 6.35x11.9x0.6 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: 1/4 (UNC/UNF)   
Part Number: W0064-LI-012-006-S4 (10 Pcs) Lock Washers - 6.35x11.9x0.6 mm
2 units (20 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
7.938
mm

(0.313 in.)
OD
15.1
mm

(0.594 in.)
Material Thickness (T)
0.80
mm

(0.031 in.)
1076865 | W0079-LI-015-008-S4 (10 Pcs) --- Lock Washers - 7.938x15.1x0.8 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M8, 5/16 (UNC/UNF)   
Part Number: W0079-LI-015-008-S4 (10 Pcs) Lock Washers - 7.938x15.1x0.8 mm
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
7.938
mm

(0.313 in.)
OD
15.1
mm

(0.594 in.)
Material Thickness (T)
0.80
mm

(0.031 in.)
1076865 | W0079-LI-015-008-S4 (10 Pcs) --- Lock Washers - 7.938x15.1x0.8 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M8, 5/16 (UNC/UNF)   
Part Number: W0079-LI-015-008-S4 (10 Pcs) Lock Washers - 7.938x15.1x0.8 mm
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
8
mm

(0.315 in.)
OD
15.5
mm

(0.61 in.)
Material Thickness (T)
0.90
mm

(0.035 in.)
1080501 | W0080-LI-016-009-S4 (50 Pcs) --- Lock Washers - 8x15.5x0.9 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M8    Actual ID (Ref): 8.2 mm   
Part Number: W0080-LI-016-009-S4 (50 Pcs) Lock Washers - 8x15.5x0.9 mm
3 units (150 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
8
mm

(0.315 in.)
OD
15.5
mm

(0.61 in.)
Material Thickness (T)
0.90
mm

(0.035 in.)
1080501 | W0080-LI-016-009-S4 (50 Pcs) --- Lock Washers - 8x15.5x0.9 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M8    Actual ID (Ref): 8.2 mm   
Part Number: W0080-LI-016-009-S4 (50 Pcs) Lock Washers - 8x15.5x0.9 mm
3 units (150 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 50
Nom. ID
12
mm

(0.472 in.)
OD
20.3
mm

(0.799 in.)
Material Thickness (T)
1.00
mm

(0.039 in.)
Lock Washers - 12x20.3x1 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M12    Actual ID (Ref): 12.3 mm   
Part Number: W0120-LI-020-010-S4 (10 Pcs) Lock Washers - 12x20.3x1 mm
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
12
mm

(0.472 in.)
OD
20.3
mm

(0.799 in.)
Material Thickness (T)
1.00
mm

(0.039 in.)
Lock Washers - 12x20.3x1 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M12    Actual ID (Ref): 12.3 mm   
Part Number: W0120-LI-020-010-S4 (10 Pcs) Lock Washers - 12x20.3x1 mm
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
20
mm

(0.787 in.)
OD
32
mm

(1.26 in.)
Material Thickness (T)
1.40
mm

(0.055 in.)
Lock Washers - 20x32x1.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M20    Actual ID (Ref): 20.5 mm   
Part Number: W0200-LI-032-014-S4 (10 Pcs) Lock Washers - 20x32x1.4 mm
9 units (90 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Nom. ID
20
mm

(0.787 in.)
OD
32
mm

(1.26 in.)
Material Thickness (T)
1.40
mm

(0.055 in.)
Lock Washers - 20x32x1.4 mm
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Screw Size: M20    Actual ID (Ref): 20.5 mm   
Part Number: W0200-LI-032-014-S4 (10 Pcs) Lock Washers - 20x32x1.4 mm
9 units (90 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10