Internal Tooth, Spring, Cup, Full Washers, Form A
Fibre, Steel, 301 Stainless Steel, Brass, TPE
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
17 mm, 2.6 mm, 4.85 mm, 2.1 mm, 6.5 mm
5 mm, 1.2 mm, 0.4 mm, 1 mm, 0.5 mm
M3.5, M3 (Form A), M2, M5 (Form A), M4
ASME B18.8.1, BS 4320B, DIN 125A, BS 4320, DIN 7603A