Description
Extremely high heat resistance, very robust due to strong core.
Product Data
Product type: Jobber drill
Material: HSS-Co8
DIN: 338
Tolerance: h8
Point angle: 35° helix
Shank: Plain shank
Nominal Ø Dc: 8.2 mm
Lc: 75 mm
L: 117 mm
Feed (f): 0.09 mm/rev
Cutting Data
Steel <750 N: 37
Steel <900 N: 31
Steel <1100 N: 12
Steel <1400 N: 10
INOX <900 N: 20
INOX >900 N: 15
Ti >850 N: 6
Recommendation
Maximum drilling depth:
L2 = Lc - 1.5 × Dc