Lock Washer, Spring, Crinkle, Full Washers, Form A
Brass, Fibre, 301 Stainless Steel, TPE, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
11 mm, 3.2 mm, 14 mm, 5.36 mm, 6.5 mm
1 mm, 1.2 mm, 0.7 mm, 0.6 mm, 2.5 mm
M20, M5, M24, M5 (Form A), M2.5
BS 4463, BS 4320, ASME B18.8.1, DIN 7980, BS 4320B