3-3/4", 4-5/8", 3-7/8", 4-1/2", 4-3/8"
21 mm, 5.5 mm, 55 mm, 19 mm, 8 mm
Imperial, Whitworth, SAE, SAE/Metric, Metric
Chrome Vanadium Steel, Beryllium Copper, Drop Forged Carbon Steel, Aluminium Bronze, Alloy Steel
Satin, Chrome, Mirror, Full Polish, Black Chrome
BS192:1982.
DIN 3113, DIN 3113., ASME B107.6., DIN3113, ASME B107.6
BS192:1982.