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Double Washer

Also known as / standards: Wedge Lock Washer · Double Layer Washer · DOUBLE COIL SPRING WASHER · DOUBLE SPRING WASHER · DIN 25201-4 · DIN 25201 · SUS316 · SS316 · A4 · A4-70 · 316L · SUS316L · SUS304 · SS304

87 items。🔍 Filter in the interactive catalog

About Double Washer

Wedge-locking washers come in pairs with cams on the inside faces. The cam angle exceeds the thread lead angle, so any loosening rotation wedges the joint tighter — geometric locking rather than friction.

Also known as Wedge Lock Washer · Double Layer Washer

Standards DIN 25201-4 · DIN 25201

Zinc-plated steel: The standard for machinery and vibrating equipment.
304 stainless: Outdoor, wet and chemical service.

How to choose

Install cam face to cam face — reversed, they do nothing.
Locking is reduced if the mating surface is harder than the washer.

Size charts and tools

Washer Types Compared Carbon Steel Double Washer size chart (19 sizes)Nord-Lock Double Washer size chart (11 sizes)Stainless Steel Double-Layer - External - Washer size chart (8 sizes)

Electroplated Double Washer(30 items)

Carbon Steel Double Washer M10 (10.4*16.6*2.5)Carbon Steel Double Washer M12 (12.4*19.5*2.5)Carbon Steel Double Washer M14 (14.6*23.3*3.4)Carbon Steel Double Washer M16 (16.9*25.4*3.4)Carbon Steel Double Washer M18 (19.3*29.3*3.4)Carbon Steel Double Washer M20 (21*30.5*3.4)Carbon Steel Double Washer M22 (23.2*34.4*3.6)Carbon Steel Double Washer M24 (24.3*39*3.6)Carbon Steel Double Washer M27 (28.2*42*6.2)Carbon Steel Double Washer M3 (3.3*7*2)Carbon Steel Double Washer M3.5 Carbon Steel Double Washer M30 Carbon Steel Double Washer M33 (34.4*48.5*6.6)Carbon Steel Double Washer M36 (37.4*55*6.6)Carbon Steel Double Washer M39 (40.4*58.5*6.6)Carbon Steel Double Washer M4 (4.3*7.7*2.1)Carbon Steel Double Washer M5 (5.2*9*2)Carbon Steel Double Washer M6 (6.3*10.8*2)Carbon Steel Double Washer M8 (8.7*13.5*2)Nord-Lock Double Washer NL10 (10.7*16.6*2.5)Nord-Lock Double Washer NL12 (13*19.5*2.5)Nord-Lock Double Washer NL14 (15.2*23*3.4)Nord-Lock Double Washer NL16 (17*25.4*3.4)Nord-Lock Double Washer NL18 (19.5*29*3.4)Nord-Lock Double Washer NL20 (21.4*30.7*3.4)Nord-Lock Double Washer NL22 (23.4*34.5*3.4)Nord-Lock Double Washer NL4 (4.4*7.6*1.8)Nord-Lock Double Washer NL5 (5.4*9*1.8)Nord-Lock Double Washer NL6 (6.5*10.8*1.8)Nord-Lock Double Washer NL8 (8.7*13.5*2.5)

SS316 Double Washer(2 items)

SS316 Double Washer M16 SS316 Double Washer M5 (5.4*9*2.2)

" Large OD " Electroplated Double Washer(13 items)

" Large OD " Carbon Steel Double Washer M10 (10.3*21*2.9)" Large OD " Carbon Steel Double Washer M12 (13*25.4*3.4)" Large OD " Carbon Steel Double Washer M14 (15.2*30.7*3.4)" Large OD " Carbon Steel Double Washer M16 (16.7*30.7*3.4)" Large OD " Carbon Steel Double Washer M20 (21.4*39*3.4)" Large OD " Carbon Steel Double Washer M24 (24.9*49*4.8)" Large OD " Carbon Steel Double Washer M27 (28*48.6*5.7)" Large OD " Carbon Steel Double Washer M30 (31.5*59*6)" Large OD " Carbon Steel Double Washer M33 (33.7*59*6)" Large OD " Carbon Steel Double Washer M4 (4.4*9*1.8)" Large OD " Carbon Steel Double Washer M5 (5.4*10.8*1.8)" Large OD " Carbon Steel Double Washer M6 (6.3*13.5*2.4)" Large OD " Carbon Steel Double Washer M8 (8.1*16.6*2.4)

" Large OD " SS304 Double Washer(11 items)

" Large OD " SS304 Double Washer M10 (10.4*20.8*2.5)" Large OD " SS304 Double Washer M12 (13.1*25.6*3.4)" Large OD " SS304 Double Washer M14 (15.2*30.7*3.2)" Large OD " SS304 Double Washer M16 (17*30.7*3.2)" Large OD " SS304 Double Washer M18 (19.5*34.5*3.2)" Large OD " SS304 Double Washer M20 (21*39.3*3.4)" Large OD " SS304 Double Washer M22 (23.4*42*3.2)" Large OD " SS304 Double Washer M4 (4.2*9*1.8)" Large OD " SS304 Double Washer M5 (5.5*10.9*1.9)" Large OD " SS304 Double Washer M6 (6.2*13.7*2.5)" Large OD " SS304 Double Washer M8 (8.3*16.7*2.4)

Double-Layer External Stainless Steel Washer(8 items)

Stainless Steel Double-Layer - External - Washer WZ-237 Stainless Steel Double-Layer - External - Washer WZM-162 (ID 38.43*W 3.25*T 1.57)Stainless Steel Double-Layer - External - Washer EZ-46 (ID 42.67*W 3.23*T 1.57)Stainless Steel Double-Layer - External - Washer WZM-200 (ID 47.42*W 4.01*T 1.57)Stainless Steel Double-Layer - External - Washer WZM-50 (ID 11.8*W 1.27*T 0.89)Stainless Steel Double-Layer - External - Washer WZM-255 (ID 61.01*W 5.08*T 1.98)Stainless Steel Double-Layer - External - Washer WZM-334 (ID 79.86*W 5.72*T 2.36)Stainless Steel Double-Layer - External - Washer WZ-225 (ID 54.69*W 3.51*T 1.24)

Double-Layer Internal Stainless Steel Washer(4 items)

Double-Layer - Internal - Stainless Steel Washer WKT-137 (OD 37.11*T 2.49*W 1.27)Double-Layer - Internal - Stainless Steel Washer WK-237 (OD 62.89*W 3.51*T 1.24)Double-Layer - Internal - Stainless Steel Washer DNK-80 (OD 84.19*W 6.05*T 2.41)Double-Layer - Internal - Stainless Steel Washer EK-85 (OD 88.38*W 4.75*T 1.55)

Related categories

Flat Washer Spring Washer (Split Lock Washer)Toothed Washer Safety Washer SDB Nylon Lock Nut