External Tooth, Lock Washer, Plain Washer, Full Washers, Form A
Fibre, Stainless Steel, TPE, Brass, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 4.85 mm, 12.2 mm, 4.36 mm, 6.5 mm
1.1 mm, 2 mm, 1.5 mm, 1 mm, 1.6 mm
M4, M3 (Form A), M12, M5 (Form A), M5
DIN 6797J, BS 4320G, DIN 7603A, BS 4320B, DIN 125A