Cup, Internal Tooth, Plain Washer, Full Washers, Form A
Brass, Fibre, Stainless Steel, 301 Stainless Steel, TPE
3/4" X 3" X 1/4", 15.5 mm, 6.9 mm, 20 mm, 11.88 mm
12.2 mm, 10.5 mm, 2.25 mm, 4.36 mm, 6.5 mm
2.2 mm, 1.8 mm, 3.5 mm, 0.7 mm, 8.1 mm
M3 (Form A), M6, M24, M5 (Form A), M12
BS 4320, ASME B18.22.1
ASTM F844, DIN 125A, BS 4320B, DIN 7603A