• Counterbore

    We have become famous for counterbore,
    spot facing and countersinking systems.

    HERMANN BILZ was the first company to introduce a complete modular tool system to the market: with BILZ-short taper, small, light, short design as well as universally applicable.

Counterbore

A-type counterbore

  • Universal field of applications
  • Using with Bilz-cone-shanks you can combine different possibilities of counterbores, holders and pilot pins

Technical Data

GZ-Pilot / H-Holder

Attached you will find information for our counterbore-system.

The System for A- and AW- counterbores consists of pilot and a holde.

Technical Data

HM-Senker

Spotfacer with inserts

AW-counterbore

  • The alternative to HSS and carbide counterbores
  • Whithin our exchangable HSS and carbide inserts you can use our AW-counterbore for different materials, with or without guide pin.

Technical Data

UNW-counterbore

  • The Unicut UNW is the efficient tool for reboring and countersinking, available  in different dimensions. The Unicut eco economically produces socket screw heads from Ø14mm upwards, using indexable inserts

Technical Data

Rivet countersink

Rivet countersink

  • For guided countersinking on hand-held machines you can use BILZ rivet countersinks. The adjustable depth control holder NSAH guarantees constant countersinking depths.

Technical Data

Countersink

EW-countersink

  • Applicable for conical screw head cuts but also for deburring and chamfering holes.
  • The special cutting geometry ensures chatter-free machining.
  • with cylindrical & morse taper shanks

Technical Data

E-countersink

  • Applicable for conical screw head cuts but also for deburring and chamfering holes.
  • The special cutting geometry ensures chatter-free machining.
  • with Bilz-short taper 

Technical Data

E-Countersink

Special countersinking tools

Grooving counterbore

  • To produce axial grooves, e.g. for O-ring grooves

Request

Form counterbore

  • For special contours and multi-stage bore geometries, e.g. also be used for valve seats and hydraulic connections

Request