Lock Washer, External Tooth, Mudguard, Full Washers, Form A
TPE, Stainless Steel, Nylon, Steel, Brass
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
4.36 mm, 4.85 mm, 17 mm, 5.36 mm, 6.5 mm
3.5 mm, 1.6 mm, 1.1 mm, 3 mm, 0.28 mm
M5 (Form A), M16, M5, M2.5, M6
BS 4320:1968, DIN 127B, DIN 7603A, DIN 7980, ASME B18.21.1