Cup, Lock Washer, Internal Tooth, Full Washers, Form A
Brass, 301 Stainless Steel, TPE, Stainless Steel, Steel
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 6.4 mm, 13 mm, 4.36 mm, 6.5 mm
0.6 mm, 0.4 mm, 0.5 mm, 3.5 mm, 2.5 mm
M5 (Form A), M6, M2, M2.5, M5
BS 4320:1968, BS 4320G, DIN 125A, BS 4320B, DIN 7603A