Disc-Lock Washer

Disc-Lock Washers

Case Hardened 40/55 HRC

W048- Zinc Plated to ASTM B633-78
*Sold in pairs*

Disc-Lock Washer Technical Drawing
# of Cams Metric Imperial Imperial Dimensions
(Inches) 		Metric Dimensions
(mm) 		Pkg. FMP Order #
A C EE* A C EE*
6 M3 #6 .150 .340 .080 3.81 8.64 2.03 100 W048-003-0000
6 M4 #8 .175 .340 .080 4.45 8.64 2.03 100 W048-004-0000
6 M5 3/16 .203 .401 .080 5.15 10.18 2.03 100 W048-005-0000
6 M6 1/4 .262 .495 .127 6.66 12.57 3.22 100 W048-006-0000
8 M8 5/16 .326 .628 .142 8.28 15.95 3.60 100 W048-008-0000
8 M10 3/8 .409 .705 .160 10.38 17.90 4.06 100 W048-010-0000
10 M11 7/16 .450 .880 .135 11.43 22.35 3.33 100 W048-011-0000
10 M12 1/2 .510 .937 .166 12.95 23.82 4.22 100 W048-012-0000
10 M14 9/16 .572 1.128 .127 14.53 28.65 3.23 100 W048-014-0000
12 M16 5/8 .651 1.247 .188 16.53 31.67 4.79 100 W048-016-0000
14 M20 3/4 .820 1.381 .242 20.82 35.08 6.15 100 W048-020-0000
14 M22 7/8 .883 1.470 .268 22.44 37.34 6.80 100 W048-022-0000
16 M24 1 1.015 1.626 .240 25.78 41.30 6.10 50 W048-024-0000
12 M27 1-1/8 1.140 1.715 .240 28.96 43.56 6.10 50 W048-027-0000
12 M30 1-1/4 1.275 1.875 .265 32.39 47.63 6.73 50 W048-030-0000
12 M36 1-3/8 1.430 2.196 .230 36.32 55.78 5.84 25 W048-036-0000
12 M38 1-1/2 1.523 2.196 .230 38.68 55.78 5.84 1 W048-038-0000
*Weight and thickness of pairs will vary slightly with gauge of metal. *Also available in Stainless Steel*

Nominal Size Width Across Flats (mm) Height (mm) Flange Diameter (mm)
M6 10 8 13.5
M8 13 10 17
M10 15 11 20
M12 17 13 23
M16 24 21 32
Disc-Lock Washer PictureDisc-Lock Washers are specifically designed to solve the problem of fastener failure. They are a heavy duty structural self-locking product, which prevents loosening caused by shock or vibration in high stress applications. They are probably the most effective locking device for maintaining joint integrity in the world.