M-12-BROCA HSS DIN8378 BIDIAMETRAL 90º-
- 8378
- HSS
- 6.80
- 125
- Straight
- 1
- Aluminium-Magnesium
- Copper-Bronze-Brass
- Cast Iron
- Steel
- Alloys Al-Mg Si > 10% (<180 HB / <600 N/mm2)
- Long Chip Copper-Bronze-Brass (<200 HB / <700 N/mm2)
- Short Chip Copper-Bronze-Brass (<200 HB / <700 N/mm2)
- Cast Iron (200-300 HB / 700-1000 N/mm2)
- Cast Iron (<200 HB / <700 N/mm2)
- Alloyed Steel (<300 HB / <1000 N/mm2)
- Construction / Carbon Steel (<250 HB / <850 N/mm2)
1.1 Construction / Carbon Steel (<250 HB/<850 N/mm2) Feed (mm/rev.) 0,120 Cutting Speed (m/min.) 15-20
1.2 Alloyed Steel (<300 HB / <1000 N/mm2) Feed (mm/rev.) 0,100 Cutting Speed (m/min.) 8-10
3.1 Cast Iron (<200 HB / <700 N/mm2) Feed (mm/rev.) 0,180 Cutting Speed (m/min.) 25-30
3.2 Cast Iron (200-300 HB / 700-1000 N/mm2) Feed (mm/rev.) 0,140 Cutting Speed (m/min.) 14-18
5.1 Short Chip Copper-Bronze-Brass (<200 HB / <700 N/mm2) Feed (mm/rev.) 0,140 Cutting Speed (m/min.) 30-35
5.2 Long Chip Copper-Bronze-Brass (<200 HB / <700 N/mm2) Feed (mm/rev.) 0,180 Cutting Speed (m/min.) 30-35
6.3 Al-Mg Si > 10% Alloy (<180 HB / <600 N/mm2) Feed (mm/rev.) 0,180 Cutting Speed (m/min.) 20-25