Lugar del origen
Jiangsu, China
Longitud de trabajo (mm)
custom
Product name
Twist Cobalt Hss Drill Bit Set
Standard
DIN standard, ANSI Standard
HSS drill bit set Hardness
HRC 61 - 66
DIN Standard
DIN338,DIN340,DIN1897
ANSI Standard
Jobber length Taper length Screw Machine legnth
Point Angle
118 degree, 135 degree split point etc.
HSS drill bit set Surface:
Black,White,Black&White,Tin-coated,coffee,Black&Gold
Shank
round shank, 1/4" hex shank, reduced etc
Manufacturing Process
Roll Forged, Polished, Fully Ground