25pc Drill Bit Set

It is a kit of 25 pieces roll forged high speed twist drill bits for drilling metal. They are supplied in a convenient carrying case. Drill bits of different metric sizes, compatible with the chuck of any drilling machine. They come in convenient yellow metal case, with all properly categorized and drills. 

Attention
 The drill bits can’t be used to drill too tough metal or too thick metal. If not, their useful life spans would be shortened dramatically.
Feature

  • Kit of 25 drills resistant metal tip HSS-R, version laminated roll, for accurate drilling. 

  • Type N bits cylindrical with tapered conical surface 118 °, and golden surface

  • The drills are presented in metal case, sorted and classified by size

  • Supplied drill sizes: from 1 mm to 13 mm, 0.5 mm with jumps between sizes

  • Drilling steel, metal, cast alloy steel and unalloyed
Specifiction

1mm, 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 7.5mm, 8mm, 8.5mm, 9mm, 9.5mm, 10mm, 10.5mm, 11mm, 11.5mm, 12mm, 12.5mm, 13mm
　

Item Include(022159)
  • 25ps twist drill bits set with metal case