Internal Tooth, Cup, Lock Washer, Full Washers, Form A
Fibre, Steel, Stainless Steel, 301 Stainless Steel, TPE
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.6 mm, 4.85 mm, 3.2 mm, 11 mm, 6.5 mm
1.8 mm, 3.5 mm, 0.28 mm, 8.1 mm, 0.5 mm
M10, M12, M6, M5 (Form A), M2.5
BS 4320B, BS 4320, ASME B18.21.1, DIN 125A, DIN 7603A