External Tooth, Plain Washer, Internal Tooth, Full Washers, Form A
Brass, Fibre, Nylon, TPE, 301 Stainless Steel
3/4" X 3" X 1/4", 7.99 mm, 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 14 mm, 5.36 mm, 13 mm, 6.5 mm
5.8 mm, 0.4 mm, 0.28 mm, 0.6 mm, 2.5 mm
M6 (Form A), M4, M3 (Form A), M10, M5 (Form A)
BS 4320B, DIN 127B, ASME B18.21.1, BS 4320, DIN 7603A