Specifications

1.Process: Fully ground
2.Shank: Straight shank
3.Surfce finishing:Cobalt HSS
4.Material:High speed steel
5Using:Metal drill

 

 

 

1. Standard: 1.0-25.0mm for DIN338, DIN1897, DIN340; 1/16"-1" for ASME, screw machine, taper length.

2. Steel material: M2(6542), M35, M42, HSS9341, HSS4341, HSS 4241

3. Process: Fully ground, milled, polished, roll forged

4. Point angel: 118degree, 118degree split point, 135degree split point

5. Surfce finishing: Bright finished, black oxide, Tin-coated, black & white, black & gold, coffee color.

6. Shank: Straight shank, reduced shank, taper shank

7. Hardness: 63-66HRC