Lock Washer, Internal Tooth, Cup, Full Washers, Form A
Fibre, TPE, Stainless Steel, Nylon, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 14 mm, 5.36 mm, 6.5 mm
0.28 mm, 1 mm, 1.2 mm, 2.5 mm, 1.1 mm
M5, M3 (Form A), M16, M2, M5 (Form A)
BS 4320:1968, DIN 127B, BS 4320, DIN 125A, BS 4320B