Giới thiệu MŨI KHOAN HỢP KIM 9MM HOLEX PRO STEEL 122501

Description
Version:
HOLEX Pro Steel:
Straight major cutting edges and a special flute profile ensure good chip evacuation. The
robust cutter geometry ensures high-performance drilling with good process reliability.
A wide range of applications in steel materials thanks to a combination of tough ultra-fine grain
carbide and an extremely wear-resistant coating.
Up to ⌀ 1.9 with 4 facets, from ⌀ 2 with relieved cone.
Cutting chisel edge with high centring accuracy due to strong core and special point
geometry. Straight major cutting edges with slightly honed edges and special flute profile
produce short chips.
Recommendation:
Maximum drilling depth:
flute length (see table) less 1.5×nominal ⌀.
Note:
Flute length LC = L2 + 1.5 × DC.
Version HB and HE supplied at the same price as HA.
Form HB: state No. 122502.
Form HE: state No. 122503.
Standard: DIN 6537 K
Tolerance nominal ⌀: h7
Number of cutting edges Z: 2
Tolerance nominal ⌀: h7
recommended maximum drilling depth L2: 33.5 mm
Overall length L: 89 mm
Shank ⌀ Ds
: 10 mm
Feed f in steel < 900 N/mm2
: 0.2 mm/rev.
Technical description
Tolerance nominal ⌀ h7
Feed f in steel < 900 N/mm2
0.2 mm/rev.
Number of cutting edges Z 2
Flute length Lc 47 mm
recommended maximum drilling depth L2 33.5 mm
Overall length L 89 mm
Shank ⌀ Ds 10 mm
Standard DIN 6537 K
Nominal ⌀ DC 9 mm
Series HOLEX Pro Steel
Coating TiAlN
Tool material Solid carbide
Drill depth up to 4×D
Point angle 140 degrees
Shank DIN 6535 HA to h6
Through-coolant no
Machining strategy HPC
Colour ring green
Type of product Jobber drill

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