External Tooth, Crinkle, Internal Tooth, Full Washers, Form A
Ceramic, 301 Stainless Steel, Stainless Steel, Steel, Copper
4.51 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 3.2 mm, 5.3 mm, 6.5 mm
1 mm, 0.8 mm, 0.5 mm, 8.1 mm, 1.5 mm
M5, M8, M3 (Form A), M3, M5 (Form A)
DIN 6797A, BS 4320, DIN 125A, DIN 7980, BS 4320B