Alpen | Drill Bit Cobalt 6,0mm

6,0mm 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