Cup, Internal Tooth, Mudguard, Full Washers, Form A
Brass, TPE, 301 Stainless Steel, Copper, Stainless Steel
15.5 mm, 12 mm, 6.9 mm, 20 mm, 11.88 mm
17 mm, 4.85 mm, 5.3 mm, 5.36 mm, 6.5 mm
1.8 mm, 0.6 mm, 8.1 mm, 1.6 mm, 0.3 mm
M2.5, M5, M3 (Form A), M12, M5 (Form A)
BS 4320G, BS 4320, ASME B18.8.1, ASME B18.22.1
ASTM F844, BS 4320B