Carbide step drill bit
1)High quality ,competitive price
2) High precision
3) the best material

Carbide step drill bit

   Special, helix angle eliminates the tendency for the drill to pull itself into the material and jam, saving time and headaches. The extra cost for this premium quality drill is far cheaper than ruining a customer’s gun with an off-center hole. Given proper care, will last a lifetime.

Application:  this drill is suitable for High-speed and long life drilling,and is useful in dry-process.

Best material: we use the import material, AF,SANDVIK,KENNA,CB,etc.

Quality:all our manufactured parts are inspected by advanced zoller mearsurement.

Facility:we have the world lastest 5-axis tools grinding machines.

Flexbility:non-standard sizes are accepted.

Any questions, pls contact me at any time.