Crinkle, Cup, Mudguard, Full Washers, Form A
Brass, Stainless Steel, Vulcanised Fibre, TPE, Copper
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
21 mm, 8.4 mm, 2.25 mm, 4.36 mm, 6.5 mm
1 mm, 0.4 mm, 1.8 mm, 0.7 mm, 0.6 mm
M5 (Form A), M16, M4, M2.5, M3
DIN 127B, BS 4320:1968, ASME B18.22.1
ASTM F844, DIN 7980, ASME B18.8.1