Internal Tooth, Tap Washer, Cup, Full Washers, Form A
TPE, Ceramic, Vulcanised Fibre, Nylon, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 12.2 mm, 5.36 mm, 2.25 mm, 6.5 mm
1.1 mm, 1.5 mm, 0.8 mm, 0.16 mm, 2.5 mm
M24, M5 (Form A), M2, M2.5, M5
BS 4320B, DIN 6797J, ASME B18.21.1, BS 4320G, DIN 125A