Cup, Nylon Washers, Crinkle, Full Washers, Form A
Ceramic, TPE, Stainless Steel, Steel, Brass
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 6.4 mm, 13 mm, 4.36 mm, 6.5 mm
0.4 mm, 8.1 mm, 2.5 mm, 1 mm, 0.16 mm
M16, M20, M5 (Form A), M12, M2
ASME B18.21.1, ASME B18.22.1
ASTM F844, BS 4320, BS 4320B, BS 4463