lw26-1Steel parts are available plain or with a zinc .00015″ standard finish. Other materials and finishes available on request.

Typical Applications: Castings, heavy machinery and equipment.

Specifications: All commercial and military tooth lockwashers sup­plied by WCL Company and listed on these pages conform to ASME B18.21.1 and to all applicable specifications as reported by IFI.

  • Retain locking tension under heavy loads.
  • Use with heavy bolts and nuts and with heat treated bolts.
  • Strong internal teeth lock into bolt head or nut to prevent backoff rotation
Nominal
Washer
Size
Hole
Diameter
Min.
Hole
Diameter
Max.
Outside
Diameter
Min.
Outside
Diameter
Max.
ThicknessWCLPart
Number
Cross
Reference
MS35334 Steel
CD2 Finish
1/40.2560.2670.5360.50.039INTH-0250-00-001414-00-19
1/40.2560.2670.5940.6070.039INTH-0250-01-001414.01
5/160.320.3320.590.6070.045INTH-0312-00-001418-00-20
3/80.3840.3980.70.7480.045INTH-0375-00-001420-00-21
7/160.4480.4640.80.8580.062INTH-0437-00-001422-00-22*
1/20.5120.530.880.9240.062INTH-0500-00-001424-00-23
9/160.5760.5960.991.0340.062INTH-0562-00-001426-00-24*
5/80.640.6631.11.1350.062INTH-0625-00-001428-00-25
3/40.7680.7951.241.2650.078INTH-0750-00-001432-00-26
7/80.8940.9271.41.4470.078INTH-0875-00-001434-00-26

* Inactive for new design per specification but still available.