3-3/4", 4-5/8", 3-7/8", 4-1/2", 4-1/4"
21 mm, 55 mm, 26 mm, 8 mm, 15 mm
Whitworth, Imperial, SAE, Metric, SAE/Metric
Drop Forged Carbon Steel, Chrome Vanadium Steel, Aluminium Bronze, Beryllium Copper, Alloy Steel
Satin, Chrome, Mirror, Full Polish, Black Chrome
DIN 3113., BS192:1982.
DIN 3113, DIN3113, DIN 3113B, ASME B107.6
BS192:1982.