3-3/4", 4", 3-7/8", 4-1/2", 4-1/4"
30 mm, 17 mm, 5.5 mm, 55 mm, 19 mm
Imperial, Whitworth, SAE, Metric, SAE/Metric
Chrome Vanadium Steel, Aluminium Bronze, Beryllium Copper, Drop Forged Carbon Steel, Alloy Steel
Chrome, Satin, Mirror, Full Polish, Black Chrome
BS192:1982.
DIN 3113, DIN 3113B, DIN 3113., ASME B107.6., ASME B107.6
BS192:1982.