Description
Tool specially matched to drilling holes without through-coolant.
Concave major cutting edges and a special flute profile ensure a good chip evacuation.
The sturdy cutter geometry with special point geometry and 4 cutting edges ensures drilling with good process reliability.
A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain carbide and extremely wear-resistant and heat-resistant coating.

Product Data
Product type: Solid carbide high-performance drill, plain shank
Tool material: Solid carbide
DIN: 6537 L
Shank: DIN 6535 HA
Drilling depth: 6xD
Tolerance: m7
Number of cutting edges: 2
Point angle: 140deg
Coating: AlTiN-Si
Nominal Dia. Dc: 16.5 mm
L2: 68.3 mm
L: 143 mm
Dia. Ds: 18 mm
Feed (f): 0.28 mm/rev

Cutting Data
Alu: 200
Alu cast >10% Si: 160
Steel <500 N: 110
Steel <750 N: 90
Steel <900 N: 80
Steel <1100 N: 70
Steel <1400 N: 60
GG(G): 90
GGG: 60

Note
Flute length Lc = L2 + 1.5 x Dc.
Form HB and HE supplied at the same price as HA.
For HB shanks: order no. 122772.
For HE shanks: order no. 122773.