Internal Tooth, Crinkle, Plain Washer, Full Washers, Form A
Stainless Steel, Steel, TPE, Nylon, Copper
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
3.2 mm, 12.2 mm, 5.36 mm, 10 mm, 6.5 mm
1.5 mm, 0.3 mm, 0.16 mm, 2.2 mm, 0.28 mm
M16, M3 (Form A), M2, M5 (Form A), M10
ASME B18.21.1, BS 4320B, DIN 6798J, BS 4320, BS 4463