Description
Efficient drilling especially for use in stainless and acid-resistant steels.
Straight main cutting edges with optimised cutting edge design for improved chip breaking behaviour.
Enlarged flutes for excellent chip evacuation.
Increased wear resistance due to improved carbide substrate and high temperature resistant coating.

Product Data
Product type: Solid carbide high-performance drill, plain shank
Tool material: Solid carbide
DIN: 6537 K
Shank: DIN 6535 HA
Drilling depth: 4xD
Tolerance: m7
Number of cutting edges: 2
Point angle: 140deg
Coating: AlTiN
Internal coolant supply: 25 bar
Nominal Dia. Dc: 9.9 mm
L2: 32.2 mm
L: 89 mm
Dia. Ds: 10 mm
Feed (f), INOX <900 N: 0.12 mm/rev

Cutting Data
Alu: 140
Alu cast >10% Si: 120
Steel <500 N: 120
Steel <750 N: 110
Steel <900 N: 90
Steel <1100 N: 80
INOX <900 N: 55
INOX >900 N: 45
Ti >850 N: 35

Note
Flute length Lc = L2 + 1.5 x Dc.
HB and HE shanks are available at the same price as HA.
For HB shanks: use order no. 122491.
For HE shanks: use order no. 122492.