External Tooth, Spring, Nylon Washers, Full Washers, Form A
Fibre, Brass, Stainless Steel, TPE, Steel
9.09 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
21 mm, 4.85 mm, 2.1 mm, 2.25 mm, 6.5 mm
8.1 mm, 2.5 mm, 0.3 mm, 2.2 mm, 0.28 mm
M6 (Form A), M3 (Form A), M6, M16, M5 (Form A)
BS 4320:1968, BS 4463, ASME B18.22.1
ASTM F844, DIN 6797J, BS 4320B