External Tooth, Plain Washer, Crinkle, Full Washers, Form A
Brass, Stainless Steel, 301 Stainless Steel, TPE, Nylon
28 mm, 3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 11.88 mm
2.6 mm, 4.85 mm, 13 mm, 10.5 mm, 6.5 mm
0.3 mm, 1.6 mm, 3.5 mm, 3 mm, 0.28 mm
M24, M2, M5 (Form A), M5, M2.5
BS 4320B, BS 4320, BS 4320:1968, DIN 7980, BS 4320G