Crinkle, Mudguard, Internal Tooth, Full Washers, Form A
Nylon, 301 Stainless Steel, Brass, TPE, Stainless Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
4.85 mm, 2.1 mm, 21 mm, 4.36 mm, 6.5 mm
1.5 mm, 0.8 mm, 0.16 mm, 2.5 mm, 0.28 mm
M3, M24, M5 (Form A), M2.5, M5
DIN 6797A, BS 4320B, BS 4320:1968, BS 4463, ASME B18.8.1