External Tooth, Tap Washer, Cup, Full Washers, Form A
Fibre, Brass, TPE, Nylon, Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 12.5 mm, 6 mm, 6.5 mm
1.8 mm, 3.5 mm, 1.6 mm, 8.1 mm, 2 mm
M12, M24, M5 (Form A), M2, M2.5
ASME B18.22.1 ASTM
F844, BS 4320, BS 4320G, DIN 7603A, ASME B18.21.1