Alpen | Drill Bit Cobalt 4mm
R254
Available in stock
Alpen | Drill Bit Cobalt 4mm
Description
4mm Cobalt Drill Bit
5% cobalt-alloyed jobber drills with an extremely sturdy construction (re-enforced web) for drilling under difficult conditions e. g. poor chip removal and deep holes, for use in steel and cast-iron with tensile strength up to 1.300 N/mm²
Self-centering
Special point shape
Harder
Nitro-oxidised chamfer
Deep hole twist drill
Big chip spaces (6 to 8 x D)
Faster by special drill geometry
Highly accurate centering
Alpen
drill bits are
manufactured in Austria.
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