External Tooth, Internal Tooth, Flat Washers, Full Washers, Form A
301 Stainless Steel, TPE, Steel, Ceramic, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 2.25 mm, 13 mm, 5 mm, 6.5 mm
0.7 mm, 1.6 mm, 8.1 mm, 2.5 mm, 0.28 mm
M5 (Form A), M6, M12, M4, M10
BS 3410, DIN 6797A, BS 4320B, BS 4320, DIN 125A