Cup, External Tooth, Crinkle, Full Washers, Form A
Fibre, Stainless Steel, Vulcanised Fibre, TPE, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
5.1 mm, 4.85 mm, 5.3 mm, 3.2 mm, 6.5 mm
3.5 mm, 8.1 mm, 2 mm, 2.5 mm, 0.16 mm
M16, M8, M3 (Form A), M5, M5 (Form A)
DIN 125A, DIN 7980, DIN 127B, ASTM F436, BS 4320B