External Tooth, Tap Washer, Internal Tooth, Full Washers, Form A
Steel, Fibre, Stainless Steel, TPE, Brass
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
13 mm, 5.3 mm, 14 mm, 8 mm, 6.5 mm
1.2 mm, 2.5 mm, 1.1 mm, 1 mm, 0.8 mm
M16, M5 (Form A), M2, M10, M3
BS 4463, ASME B18.21.1, ASME B18.8.1, DIN 7603A, BS 4320B