Lock Washer, Cup, External Tooth, Full Washers, Form A
Fibre, Steel, TPE, 301 Stainless Steel, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 14 mm, 5.36 mm, 13 mm, 6.5 mm
2.5 mm, 2 mm, 1 mm, 0.16 mm, 0.28 mm
M2, M5 (Form A), M5, M12, M2.5
BS 4320B, ASME B18.22.1
ASTM F844, BS 4320, BS 4320G, BS 4463