High Quality 0.8mm Hss Extra Long Straight Shank Rolling Forged Twist Drill Bits

Brand Name: DM
Model Number: DM4-HS001
Type: Twist Drill Bit
Use: Metal Drilling
Standard: DIN standard, ANSI Standard
Materal: 4241,4341,M2,M35,M42
HSS drill bit set Hardness: HRC 61 - 66
DIN Standard: HSS Co5%, HSS6542, HSS4341, HSS4241
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
Package: skin card, blister card, double blister