Cup, Internal Tooth, Plain Washer, Full Washers, Form A
Fibre, TPE, Vulcanised Fibre, Stainless Steel, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 16.2 mm, 5.36 mm, 17 mm, 6.5 mm
3.5 mm, 0.28 mm, 8.1 mm, 2.2 mm, 3 mm
M20, M2, M5 (Form A), M16, M2.5
DIN 127B, ASME B18.21.1, ASME B18.22.1
ASTM F844, BS 4320, BS 4320B