Catalog Number Accommodates Bolt Size Material Size Hole Dia. Approx. Ship Wt. per Each
inch mm inch mm inch mm lbs kg
LW38 3/8" 10 0.094" x 0.141" 2 x 4 7/16" 11 0.010  0.004
LW12 1/2" 13 0.125" x 0.171" 3 x 4 9/16" 14 0.015 0.01
LW58 5/8" 16 0.156" x 0.203" 4 x 5 11/16" 17 0.024  0.01
LW34 3/4" 19 0.188" x 0.234" 5 x 6 13/16" 21 0.048  0.02
LW78 7/8" 22 0.219" x 0.266" 6 x 7 15/16" 24 0.066  0.03
LW12 1" 25 0.250" x 0.297" 6 x 8 1-1/16" 27 0.084  0.04

 Galvanized Steel

Washers to meet ANSI/ASME SPEC B.18.21.1

 CSA C83.34