Spring, Crinkle, Plain Washer, Full Washers, Form A
Brass, Stainless Steel, 301 Stainless Steel, Steel, TPE
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 21 mm, 4.36 mm, 6 mm, 6.5 mm
1.5 mm, 0.5 mm, 3.5 mm, 0.16 mm, 2.5 mm
M3 (Form A), M24, M16, M5 (Form A), M3
ASME B18.21.1, DIN 127B, BS 4320, DIN 7603A, BS 4320B