Internal Tooth, Crinkle, Plain Washer, Full Washers, Form A
Steel, Fibre, 301 Stainless Steel, TPE, Stainless Steel
4 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
10.5 mm, 16.2 mm, 2.25 mm, 4.36 mm, 6.5 mm
1.2 mm, 1.8 mm, 1.5 mm, 0.3 mm, 3.5 mm
M12, M5, M24, M5 (Form A), M3
ASME B18.22.1
ASTM F844, ASME B18.21.1, ASME B18.8.1, BS 4320B, BS 4463