Internal Tooth, Plain Washer, Crinkle, Full Washers, Form A
Fibre, 301 Stainless Steel, TPE, Brass, Steel
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
3.2 mm, 5.3 mm, 2.25 mm, 4.36 mm, 6.5 mm
5.8 mm, 0.6 mm, 1.2 mm, 3 mm, 0.28 mm
M8, M6 (Form A), M3 (Form A), M2, M5 (Form A)
BS 4320, ASME B18.21.1, DIN 125A, BS 4320B, ASME B18.8.1