Description
Strengthened core taper.
Product Data
Product type: Jobber drill
Material: HSS-E
DIN: 338
Tolerance: h8
Point angle: 35° helix
Shank: Plain shank
Nominal Ø Dc: 8.5 mm
Lc: 75 mm
L: 117 mm
Feed (f): 0.09 mm/rev
Cutting Data
Steel <750 N: 37
Steel <900 N: 31
INOX <900 N: 15
INOX >900 N: 12
Ti >850 N: 6
Recommendation
Maximum drilling depth:
L2 = Lc - 1.5 × Dc