lw28-1Specifications: 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.

  • Use where large bearing surface is desired.
  • Use to span oversized or elongated holes.
  • Use as insert between two adjustable pieces to maintain their position after original setting.
  • Ideal for electrical bonding.

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

Nominal
Washer
Size
Hole Dia. Min.Hole Dia. Max.Outside Dia. Min.Outside Dia. Max.ThicknessWCL Part
Numbers
Cross
Reference
MS45904 Steel
Plated
40.1150.1230.460.4750.017EIT-0112-12-014004-12-01-51
60.1410.150.4950.510.025EIT-0138-14-004006-14-00-54
80.1680.1760.4940.5060.025EIT-0164-14-004008-14-00
80.1680.1760.580.610.029EIT-0164-18-004008-18-00-57
80.1680.1760.680.6950.029EIT-0164-20-014008-20-01-58
80.1680.1760.740.760.029EIT-0164-22-014008-22-01-59
100.1950.2040.4940.5060.025EIT-0190-14-004010-14-00
100.1950.2040.580.610.029EIT-0190-18-004010-18-00-60
100.1950.2040.680.6950.035EIT-0190-20-014010-20-01-61
100.1950.2040.740.760.035EIT-0190-22-004010-22-00-62
100.1950.2040.8820.8980.035EIT-0190-24-004010-24-00-63
120.2210.2310.670.690.035EIT-0216-20-004012-20-00
120.2210.2310.740.760.035EIT-0216-22-004012-22-00
120.2210.2310.8820.8980.035EIT-0216-24-004012-24-00
1/40.2560.2670.680.6850.035EIT-0250-20-004014-20-00
1/40.2560.2670.7250.760.035EIT-0250-22-004014-22-00-68
1/40.2560.2670.8820.8980.035EIT-0250-24-004014-24-00-69
1/40.2560.2670.8820.8980.045EIT-0250-24-014014-24-01
1/40.2560.2670.9650.9850.039EIT-0250-00-014014-00-01-70
1/40.2560.2671.0451.070.039EIT-0250-28-004014-28-00-71
5/160.320.3320.8650.90.035EIT-0312-24-004018-24-00-72
5/160.320.3320.9650.9850.039EIT-0312-26-004018-26-00-73
5/160.320.3321.0451.070.045EIT-0312-28-004018-28-00-74
5/160.3230.3371.241.260.05EIT-0312-32-004018-32-00
3/80.3840.3980.9650.9850.039EIT-0375-26-004020-26-00-76
3/80.3840.3980.9650.9850.05EIT-0375-26-014020-26-01
3/80.3840.3981.0451.070.045EIT-0375-28-004020-28-00-77
3/80.3840.3981.241.260.05EIT-0375-32-004020-32-00-79
7/160.4480.4641.0451.070.045EIT-0437-28-004022-28-00
7/160.4480.4631.131.1550.045EIT-0437-30-004022-30-00
7/160.4480.4631.241.260.05EIT-0437-32-004022-32-00
1/20.5120.531.221.260.05EIT-0500-32-004024-32-00*-84
1/20.5120.5291.381.410.055EIT-0500-34-004024-34-00-86
1/20.5120.5291.591.620.062EIT-0500-36-004024-36-00
9/160.5760.5961.381.430.055EIT-0562-34-004026-34-00
5/80.640.6631.381.410.055EIT-0625-35-004028-34-00
5/80.640.6591.591.620.062EIT-0625-36-004028-36-00-93
* Also available in Type B