3-3/4", 4-5/8", 3-7/8", 4-1/2", 5-3/8"
55 mm, 19 mm, 26 mm, 36 mm, 15 mm
Imperial, Whitworth, Metric, SAE, SAE/Metric
Aluminium Bronze, Chrome Vanadium Steel, Drop Forged Carbon Steel, Beryllium Copper, Alloy Steel
Satin, Black Oxide, Mirror, Full Polish, Black Chrome
DIN 3113., BS192:1982.
DIN 3113, ASME B107.6., ASME B107.6
BS192:1982., DIN 3113B