IRWIN 10504159 Fiche technique Page 108

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104
1. 118° SPLIT POINT SHAPE
With increased performance and very good centering
– Precision starting, no need to pre-punch or pilot drill.
– Penetrates quickly.
– Requires less effort / feed pressure.
2. GREATEST TOUGHNESS
And low risk of breakage even when drilling with smaller diameters
due to high elasticity.
3. OPTIMUM DRILLING PERFORMANCE
Even in unfavourable working conditions.
4. HIGHLY ACCURATE
Close tolerances and high concentricity for maximum precision.
5. HIGHEST STEEL GRADE
High-performance, High-Speed Steel.
HSS PRO
TOUGHNESS AND PRECISION FOR PROFESSIONAL USERS
The new HSS PRO is an Industrial quality twist drill with outstanding performance and long service life. It is designed for drilling
steel and steel castings, alloyed and non-alloyed steel, cast iron, non-ferrous metals, plastics and other materials.
The 118° split point shape provides an optimum centering when starting and a faster drilling rate. It requires lower feed pressure
than standard HSS drill bits with a chisel edge.
hss pro
HSS PRO DRILL RANGE
The HSS PRO drill bits are available in a wide range of variety: DIN 338 jobber series, DIN 340 long series, double-ended stub series, DIN 345 Morse tapper shank series.
DIN 338
DIN 338 series, suitable for many trade and industrial applications in alloyed and
un-alloyed steel, non-ferrous metals, cast iron and plastics.
DIN 340 DIN 340 long series, most suitable for drilling deep holes or through hollow profiles.
DOUBLE-ENDED
Double ended series, especially designed for drilling thin materials like sheet metal,
flat steel and profiles. Ideal for use with hand-held drills.
DIN 345
DIN 345 Morse taper shank series, strong standard drills for use with stationary
drilling machines. High breaking resistance.
moRE holES
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*vs previous version
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