External Tooth, Crinkle, Internal Tooth, Full Washers, Form A
Stainless Steel, 301 Stainless Steel, TPE, Steel, Brass
4.5 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 12.2 mm, 14 mm, 5.36 mm, 6.5 mm
2.2 mm, 0.16 mm, 0.28 mm, 1.6 mm, 2.5 mm
M3 (Form A), M3, M5 (Form A), M12, M2
DIN 6798J, ASME B18.22.1
ASTM F844, BS 4320B, BS 4320, DIN 125A