3-3/4", 3-7/8", 4-1/2", 4-3/8", 4-1/4"
22 mm, 55 mm, 19 mm, 8 mm, 15 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Aluminium Bronze, Beryllium Copper, Drop Forged Carbon Steel, Chrome Vanadium Steel, Alloy Steel
Chrome, Black Oxide, Mirror, Full Polish, Black Chrome
ASME B107.100-2010, DIN 3113., ASME B107.6
BS192:1982., DIN 3113B, ASME B107.6.