HSS Straight Shank Twist Drill Bit

1) Material for HSS Twist Drills: HSS-4241, 4341, 9341, 6542, Co5%
2) Production Technics: Fully Ground, Half Ground and Roll Forged
3) Surface Treatment: Black Oxide, Bright Finish, Titanium coated, Black Flute & White Edge, Amber Finish & Black Flute, Rainbow Drills, Zirconium Coated...
4) Standard: DIN338-Normal Length; DIN340-Long Length; DIN1897-Short Length.
5) ALL SIZES AVAILABLE: INCH & MM