External Tooth, Lock Washer, Cup, Full Washers, Form A
TPE, Ceramic, Nylon, Stainless Steel, Brass
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 16.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
0.6 mm, 3.5 mm, 0.28 mm, 0.3 mm, 0.16 mm
M3 (Form A), M24, M16, M5 (Form A), M4
BS 4320, BS 4320B, ASME B18.22.1
ASTM F844, ASME B18.8.1, BS 4320G