External Tooth, Lock Washer, Flat Washers, Full Washers, Form A
A2/304 Stainless Steel, Brass, Fibre, 301 Stainless Steel, TPE
37 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 21 mm, 13 mm, 6.5 mm
0.4 mm, 2.5 mm, 1.6 mm, 2 mm, 0.28 mm
M3, M8, M5 (Form A), M10, M5
ASME B18.8.1, DIN 125A, DIN 7603A, DIN 7980, BS 4320B