Internal Tooth, Crinkle, Full Washers, Form A, Flat Washers
Brass, TPE, Ceramic, Nylon, Stainless Steel
3/4" X 3" X 1/4", 24 mm, 15.5 mm, 6.9 mm, 11.88 mm
2.1 mm, 25 mm, 16.2 mm, 4.36 mm, 6.5 mm
0.6 mm, 8.1 mm, 0.8 mm, 1.1 mm, 0.3 mm
M5, M24, M5 (Form A), M12, M8
BS 4320B, DIN 125A, ASME B18.21.1, BS 4463, BS 4320