Description
High performance miniature drill with extra long flutes.
Shank Ø 3 h6 for shrink-fit chucks.
High concentricity, precision ground for HPC applications in steel.
Product Data
Product type: Solid carbide HPC micro-drill
Material: Solid carbide
Type: N
Tolerance: +0.004
Point angle: 130°
Shank tolerance: h6
Application: HPC
Nominal Ø Dc: 2.49 mm
L2: 11.3 mm
L: 46 mm
Ø Ds: 3 mm
Feed (f): 0.05 mm/rev
Cutting Data
Alu plastics: 200
Alu: 140
Alu cast >10% Si: 140
Steel <500 N: 70
Steel <750 N: 70
Steel <900 N: 70
Steel <1100 N: 55
Steel <1400 N: 35
INOX <900 N: 35
INOX >900 N: 30
Ti >850 N: 20
GG(G): 90
CuZn: 140
Note
Flute length Lc = L2 + 1.5 × Dc.