Twist drill

NORIS DRILLREX UNI

For drill holes up to 5 x D.

Solid carbide twist drills optimised for the production of thread pilot holes in various materials.
 
The optimised geometry and coating results in an extremely low influence on the material structure to be machined and therefore improves the economic efficiency of your entire thread production.

  • Tools with internal coolant bore to assure the coolant supply and to support the chip discharge/tools with coolant bore and radial outlet in the grooves are named MKBR.
  • For almost all materials

NORIS DRILLREX-C UNI

For the production of 3 x D deep holes with protective countersink for a thread production of 2 x D thread depth.

Solid carbide chamfer twist drill with the positive properties of the NORIS DRILLREX UNI and a chamfer part. The creation of the bore and protective countersink in one work step leads to a further increase in economic efficiency.
 
Chamfering level in variable mm steps available on request.

  • Tools with internal coolant bore to assure the coolant supply and to support the chip discharge/tools with coolant bore and radial outlet in the grooves are named MKBR.
  • For almost all materials