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Ruko 25pc Professional HSS Ground Twist Drill Set (1-13mm)

The Ruko 25pc professional HSS ground twist drill set is one of the best quality drill bits on the market. Each drill bit features a chisel edge and bevels of 20-30° and a tolerance of h8. Designed for right handed cutting. This set is from 1mm up to 13mm and goes in 0.5mm increments.

Applications: steel, cast steel alloyed and unalloyed (up to 900 N/mm² Strength), grey, malleable, ductile and pressure castings, sintered iron, nickel silver, graphite, short­ chipping aluminium alloys, brass and bronze.

Comes complete in a metal carry case with holder for each drill bit.


  • 25pc Twist Drills
  • 1 - 13mm (0.5mm Increments)
  • DIN 338
  • Tolerence: H8
  • Bevels of 20-30°
  • Right Hand Cutting
  • Type: N HSS Ground
  • High Quality Drill Bits
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