Pinzbohr Shank Reducers

For all dimensional specifications please refer to our catalogue.

Pinzbohr Standard Arbors

A comprehensive flexible boring system available for use on the majority of conventional and CNC machines.

DIN 69871-A

Commonly interchangeable with ANSI/Caterpillar shanks. ISO/DIN30 shanks available on request (ISO 7388/3 or DIN 69871-1 (A).

PNZ-144-0200K/PNZ-144-0300K are the preferred Arbors for 'MICRO' Series Heads.

Pinzbohr Modular Boring System Heads

Simultaneous movement of both slide-blocks on rough boring heads. Inner pre-load device between body and slide block on finish boring heads. Override device on adjusting screw in rough boring heads. Few boring head components. Simple adjusting and locking mechanism. Setting diameter with boring head mounted in machine tool using micrometer or caliper. After setting to the required diameter it prevents slide block from moving while tightening lock screw. Prevents adjusting screw from stripping threads; very easy and fast to adjust. Precision machined components. Made from chrome nickel alloy tool steel. Modular components - simple yet secure coupling system. Large adjusting ranges on rough and finish boring heads. Rough and finish boring heads for many insert styles. High accuracy and repeatability. Very rugged - excellent durability. Components remain securely locked even under severe machining conditions.

75 and 90 Rough Boring and Finish Boring Heads:
Dual insert head design for heavy duty roughing. 12 different head sizes cover a diameter range from 24 to 500mm. Integral insert pocket design for head sizes 22 - 54. Insert cartridge design for head sizes 68 - 500. Heads and cartridges available for up to 5 different insert styles (MC.., CC.., CN.., TC.., WC..). Simultaneous adjustment of the slide blocks. Override device to prevent stripping of adjusting screw. Micrometer adjustment on large boring heads, with 0.01mm increments. Cartridges have own radial adjusting screw for individual setting of cartridges. Change to different lead angle or insert style by simply exchanging cartridges.

Cartridge Design for Heads Size 68 ? 500mm:
Cartridges available for 5 different insert styles (MC.., CC.., CN.., TC.., WC..) Cartridges available with 75 and 90 lead angle, equipped with a radial adjusting screw for setting centrality or radial stagger. Available in pairs for symmetric or axial staggered insert set-up.

Pinzbohr Micro Head Spares

To suit Pinzbohr micro heads

Clamp Screws

Pinzbohr Shank Extensions

For all dimensional specifications please refer to our catalogue.

Pinzbohr Boring Systems

The NEW Bohrstar 54 kits offer the best performance and range of a precision boring system. The kits combine excellent size range with optimum assembly rigidity to ensure greater accuracy and repeatability when boring. Bohrstar? is more user friendly as it is less complicated to set up and use, than equivalent systems available today!

Bohrstar 54 Boring System Kit

The Bohrstar 54 kit from Pinzbohr delivers the following features and benefits:
High strength and rigidity that is required for accuracy and repeatability.
A V-groove locking insert cartridge for improved rigidity.
All the compents of the kit are manufactured from nickel-chromium alloy.
Tapered Screw and Locking Pin Coupling
Tapered screws for most rigid coupling.
Dampens vibration under load.
Pin guarantees accurate head position.
Saves you money on tooling costs.
Saves time on the shop floor.
Performance guarantee.
The Bohrstar kit components are easy to install and require no special training or tools to use.

Boring range: 8 ~ 170mm.
Accuracy: to 0.0001
Bohrstar Kit Contents:
1x 54mm Bohrstar head with accu-set dial (38 ~ 59mm).
6x boring bars (8 ~ 43mm).
2x adaptor plates with cartridge insert (83 ~ 170mm).
Also includes counterweight, adjusting key, location sleeve, hexagon key, Torx key and fixing screws.

For all technical specifications please refer to our catalogue.

Pinzbohr Shank Extensions

For all dimensional specifications please refer to our catalogue.

Pinzbohr Micro Heads

Used in combination with indexable insert I.S.O. boring bars, these units can produce bores down to 5.5mm diameter and up to 34mm diameter. These MICRO heads fit the standard Pinzbohr arbors with connection diameters (SD') of 27, 32 or 42mm. Graduated precision dial readout to 0.01mm.

Note: If ground inserts used, please specify left hand for boring. Bores as small as 5.5mm diameter can be produced by using stepped bars.

For all dimensional specifications please refer to our catalogue.

Pinzbohr Shank Reducers

For all dimensional specifications please refer to our catalogue.

Pinzbohr Modular Boring System Heads

Simultaneous movement of both slide-blocks on rough boring heads. Inner pre-load device between body and slide block on finish boring heads. Override device on adjusting screw in rough boring heads. Few boring head components. Simple adjusting and locking mechanism. Setting diameter with boring head mounted in machine tool using micrometer or caliper. After setting to the required diameter it prevents slide block from moving while tightening lock screw. Prevents adjusting screw from stripping threads; very easy and fast to adjust. Precision machined components. Made from chrome nickel alloy tool steel. Modular components - simple yet secure coupling system. Large adjusting ranges on rough and finish boring heads. Rough and finish boring heads for many insert styles. High accuracy and repeatability. Very rugged - excellent durability. Components remain securely locked even under severe machining conditions.

75 and 90 Rough Boring and Finish Boring Heads:
Dual insert head design for heavy duty roughing. 12 different head sizes cover a diameter range from 24 to 500mm. Integral insert pocket design for head sizes 22 - 54. Insert cartridge design for head sizes 68 - 500. Heads and cartridges available for up to 5 different insert styles (MC.., CC.., CN.., TC.., WC..). Simultaneous adjustment of the slide blocks. Override device to prevent stripping of adjusting screw. Micrometer adjustment on large boring heads, with 0.01mm increments. Cartridges have own radial adjusting screw for individual setting of cartridges. Change to different lead angle or insert style by simply exchanging cartridges.

Cartridge Design for Heads Size 68 ? 500mm:
Cartridges available for 5 different insert styles (MC.., CC.., CN.., TC.., WC..) Cartridges available with 75 and 90 lead angle, equipped with a radial adjusting screw for setting centrality or radial stagger. Available in pairs for symmetric or axial staggered insert set-up.