Description
Version:
Cutting chisel edge with high centring accuracy due to strong core and special point geometry.
Particularly high alignment accuracy due to 4 guide chamfers which stabilise the drill even at extreme depths!
Straight major cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.
Advantage:
High process reliability and surface quality of the hole.
Note:
Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 123115.
Form HE: order with No. 123110 + 129100 HE.
Standard: Manufacturer's standard
Tolerance nominal ?: h7
Number of cutting edges Z: 2
Tolerance nominal ?: h7
recommended maximum drilling depth L2: 13.5 mm
Overall length L: 45 mm
Shank ? Ds: 4 mm
Feed f in stainless steel < 900 N/mm2: 0.05 mm/rev.
Cutting chisel edge with high centring accuracy due to strong core and special point geometry.
Particularly high alignment accuracy due to 4 guide chamfers which stabilise the drill even at extreme depths!
Straight major cutting edges with honed edges and special flute profile for short chips, even on long chipping materials.
Advantage:
High process reliability and surface quality of the hole.
Note:
Flute length LC = L2 + 1.5 × DC.
Form HB and HE supplied at the same price as HA.
Form HB: order with No. 123115.
Form HE: order with No. 123110 + 129100 HE.
Standard: Manufacturer's standard
Tolerance nominal ?: h7
Number of cutting edges Z: 2
Tolerance nominal ?: h7
recommended maximum drilling depth L2: 13.5 mm
Overall length L: 45 mm
Shank ? Ds: 4 mm
Feed f in stainless steel < 900 N/mm2: 0.05 mm/rev.
