Order catalog

Counterbore

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.

Product-Selector Catalog Special request Securing System

Preci-Cut RPC

Standard range

Boring and finishing from Ø 18–40 mm
Tight hole tolerances (IT7–8)
Fast and precise diameter adjustment
Cutting widths up to approx. 4 mm
Standard diameters available from stock
Universal use on rigid machines
Compatible with numerous carbide and cermet indexable insert variants
Indexable inserts with ground guide lands minimise chatter and produce smooth surfaces

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Custom designs

Intermediate diameters
Automatic deburring on entry and exit with EXcaliBURR deburring system
Special geometries, e.g. step tools with chamfers
Wedge-type adjustment from Ø 16 mm upwards

Special request

Counterbore

A-type counterbore

Universal field of applications
Using with Bilz-cone-shanks you can combine different possibilities of counterbores, holders and pilot pins
up to diameter 17.5 three flutes, from diameter 18 four flutes

Technical Data to the selector

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.

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 to the selector

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

Preci-Cut

High stock removal rates with 3 cutting edges from d=26
Tight bore tolerances (IT7-8)
quick and precise setting of cutting diameter
Cutting width up to 4 mm
Usable on rigid machines

technical data inquire now

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.

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 cutting data recommendation

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

Special countersinking tools

Grooving counterbore

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

Form counterbore

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

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drilling inserts counterboring shrink fit back counterboring special request

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