HSS FULLY GROUND DRILL,BLACK&YELLOW

Standard: DIN 338,DIN340,ANSI

Process: Fully Ground

Material: HSS 4241 , HSS4341, HSS6542(M2)，M35(Cobalt 5%)

Surface: TITANIUM FINISHING, FUNCTIONAL TITANIUM COATING

Point Angle: 118°/135°Split Point,Golden Ratio Tip,Multi-Edged Tip

Shank: Round Shank, Triangle Shank,Hex Shank