3-3/4", 4-3/8", 3-7/8", 4-1/2", 4-1/4"
21 mm, 22 mm, 55 mm, 19 mm, 14 mm
Whitworth, Imperial, Metric, SAE, SAE/Metric
Chrome Vanadium Steel, Drop Forged Carbon Steel, Aluminium Bronze, Beryllium Copper, Alloy Steel
Black Oxide, Mirror, Full Polish, Black Chrome, Chrome
ASME B107.100-2010, ASME B107.6
BS192:1982., DIN 3113B, BS192:1982.
DIN 3113, DIN 3113.