Description
Cutting chisel edge with high centring accuracy due to strong core and special point geometry.
Convex major cutting edges with defined honed edge ensure the drill has high stability and maximum load capacity.
Special multi-nano layer coating for drilling in hardened steels.
Product Data
Product type: GARANT Diabolo solid carbide HPC drill for hard machining
Material: Solid carbide
Standard: DIN 6537 L
Type: H
Diameter tolerance: h7
Shank tolerance: h6
Number of cutting edges: 2
Point angle: 140°
Shank: Plain shank DIN 6535 HA
Surface / coating: TiAlN
Drilling depth: 6×D
Ø Dc: 8.5 mm
L2: 48.3 mm
L: 103 mm
Ø Ds: 10 mm
Feed (f): 0.11 mm/rev
Cutting Data
Steel <500 N: 90 m/min
Steel <750 N: 80 m/min
Steel <900 N: 70 m/min
Steel <1100 N: 65 m/min
Steel <1400 N: 55 m/min
Steel <55 HRC: 28 m/min
Steel <60 HRC: 16 m/min
Steel <65 HRC: 14 m/min
Steel <67 HRC: 10 m/min
GG(G): 70 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
Note
Flute length Lc = L2 + 1.5 × Dc.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 122642 / 122652.
Form HE: order with No. 122641 / 122651 + 129100HE.
122651 — When drilling in hardened steels from 56 HRC, only cool using air.