External Tooth, Internal Tooth, Lock Washer, Full Washers, Form A
301 Stainless Steel, Stainless Steel, TPE, Steel, Copper
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 3.2 mm, 11 mm, 10.5 mm, 6.5 mm
1.5 mm, 0.7 mm, 0.6 mm, 8.1 mm, 1.2 mm
M2.5, M5, M3 (Form A), M5 (Form A), M2
BS 4320B, BS 4320:1968, DIN 125A, BS 4320G, BS 4320