Drill bit sets for metal
TTP HARD cobalt drill bits sets have been designed for drilling through hardened metal. The 5% cobalt allows for drilling harder metals such as stainless steel.
21 piece set
If you do not need the larger imperial drill bits then this set is ideal. 21 drill bits ranging from 1/16″ up to 3/8″ stepping up in 1/64″ increments.
These drill bits are made from a mixture of metals including 5% cobalt. Ideal for drilling hardened steel. Unlike coated drill bits these cobalt drill bits can be resharpened so the exceptional cutting performance can remain.

This kobalt drill set comes in a sturdy palstic box. A secure lock will keep your drill bits protected.
Each drill bit size is clearly market.
If you need a drill set for drilling through metal then this set will allow you to drill even the hardest of metals including stainless steel.
29 piece set
For those who need the full range of drill bit sizes then this set is perfect. 29 drill bits ranging from 1/16″ up to 1/2″ stepping up in 1/64″ increments.
Made from a mixture of metals including 5% cobalt. Ideal for drilling hardened steel. These drill bits can be resharpened.
This cobalt drill bit set is used by locksmiths, mechanics and professional installers. It will perform perfectly either drilling holes in stainless steel or drilling through metal studs.
Drilling through metal
A real test for a metal drill bit is the drilling out of exhaust manifold studs.
Using the correct speed, easy pressure and metal cutting fluid these cobalt drill bits will perform superbly.

Best cobalt drill bit set!
This video shows a TTP HARD cobalt drill bit drilling through Hardox 450. This metal is used in the recycling and heavy machinery industry and is renowned for its hardness.
Metric sets
For those who need metal drill sets in metric sizes we have two sets avaialble.
Both sets are made from the same mixture of matls as the imperial sets and contain 5% cobalt.
19 piece drill set
1mm – 10 mm x 0.5mm
25 piece drill set
1mm – 13mm x 0.5mm