External Tooth, Internal Tooth, Lock Washer, Full Washers, Form A
Brass, Nylon, TPE, Copper, Stainless Steel
30 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
6.4 mm, 3 mm, 5.36 mm, 6 mm, 6.5 mm
1.2 mm, 1.8 mm, 1.6 mm, 1.1 mm, 0.16 mm
M12, M24, M3, M5 (Form A), M10
BS 4320, DIN 125A, BS 4320B, DIN 7603A, BS 4463