Description
Cutting chisel edge with high centring accuracy due to strong core and special point geometry.
High roundness and alignment accuracy of the deep hole, thanks to 4 guide chamfers.
Outstanding chip evacuation due to 4 internal cooling channels from Ø 3.8 mm.
Up to 3.7 mm Ø with 2 internal cooling channels.
Straight major cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.
Attention
Sizes ending with X = cutter Ø tolerance h7.
Product Data
Product type: Solid carbide HPC reference drill with 4 cooling channels
Material: Solid carbide
Standard: DIN 6537 L
Diameter tolerance: m6
Tolerance nominal Ø: m6
Shank tolerance: h6
Number of cutting edges: 2
Point angle: 140°
Through-coolant pressure: 25 bar
Shank: Plain shank DIN 6535 HA
Surface / coating: TiAlN
Drilling depth: 6×D
Ø Dc: 2 mm
L2: 18 mm
L: 57 mm
Ø Ds: 4 mm
Feed (f): 0.05 mm/rev
Cutting Data
Steel <500 N: 170 m/min
Steel <750 N: 140 m/min
Steel <900 N: 130 m/min
Steel <1100 N: 110 m/min
Steel <1400 N: 70 m/min
INOX <900 N: 90 m/min
INOX >900 N: 80 m/min
GG(G): 95 m/min
ISO Code
Alu plastics: N
Alu: N
Alu cast >10% Si: N
Steel <500 N: P
Steel <750 N: P
Steel <900 N: P
Steel <1100 N: P
Steel <1400 N: P
Steel <55 HRC: H
Steel <60 HRC: H
Steel <65 HRC: H
Steel <67 HRC: H
Steel <70 HRC: H
INOX <900 N: M
INOX >900 N: M
Ti >850 N: S
GG(G): K
Graphite / GRP / CRP: N
Note
Flute length Lc = L2 + 1.5 × Dc.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122661.
Form HE: order with No. 122659 + 129100HE.