External Tooth, Plain Washer, Internal Tooth, Full Washers, Form A
Brass, Stainless Steel, Ceramic, Steel, TPE
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.3 mm, 12.5 mm, 13 mm, 4.36 mm, 6.5 mm
1.8 mm, 3.5 mm, 1.1 mm, 1.6 mm, 0.28 mm
M12, M24, M5 (Form A), M5, M10
DIN 7603, BS 4463, BS 4320G, DIN 6797J, ASME B18.21.1