Mũi khoan hợp kim HSS-G phủ TiN DIN 338 Ruko 250T
Twist drill DIN 338 type N, HSS-G TiN
- Article no. 250T
- Ø: 0.3-16.0mm
- DIN 338
- Material HSS-G
- Surface TiN
- Cutting direction right hand cutting
- Shank cylindrical
- Drilling depth 5 x D
- Point cut Shape C: Split point
- Point angle 118°
- Helix angle 25-30°
- Tolerance h8
- Profile of flute normal
- Core normal