Alpen Hss Forte Cobalt Drill Bit 5.5 Mm Alp183055 Tool Set 30 carbide-tipped teeth

30 carbide-tipped teeth

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concave and convex shape with a fillet in the middle

Alpen Hss Forte Cobalt Drill Bit 5.5 Mm Alp183055 Tool Set 30 carbide-tipped teethAlpen HSS FORTE COBALT DRILL BITS Size: 5. 5 x 93 57 mm Packaged: Qty 1 Range of application: 5% cobalt alloyed jobber drills with an extremely sturdy construction (re inforced web) for drilling under difficult conditions e. g. poor chipremoval and deep holes, for use in steel and cast iron with tensile strength up to 1. 300 N mm. Strengths Self centering Special point shape Harder Nitro oxidised chamfer Deep hole twist drill Big chip spaces (6 to 8 x