25 piece cobalt drill bit set 

Our 25 piece cobalt drill set is the largest metric kit we supply. Because we have tested our drill bits for hardness you can be sure you will receive a high quality drill bit set which will perform to the highest standards. Each set starts at 1mm and increases in size by 0.5mm going up to 13mm.

Best drill set for hard metal

Certainly for most professionals cobalt drill bits are considered the best drill bits for harder metals. So if you are looking for a drill bit set capable of drilling the hardest of metals including  stainless steel and hardened metals look no further.

• 1mm - 13mm x 0.5mm
• Heavy Duty Cobalt Drill Bits
• Suitable for drilling harder metals including stainless steel
• Used by professionals and home improvement enthusiasts
• Can be resharpened
• Rockwell hardness C average of 66  certification
• Money Back Guarantee
  

Metric drill bit sets

If you require a smaller metric drill set we also have available the TTP HARD drills 19 piece drill bit set which has drill bits from 1mm to 10mm also going up in steps of 0.5mm.

Imperial drill bit sets

We offer two imperial drill sets for drilling harder metals

21 piece metal drill kit (1/16" to 3/8" x 1/64")

29 piece metal drill kit (1/16" to 1/2" x 1/64")