Diameter Range: ø20 - ø203
Rough Boring Head

60°serrated contact system offers rigid connection. Ultimate rough boring head fulfilling all the requirements.

Diameter Range: ø41 - ø110
Rough Boring Head with Damper

Rough SW boring head integrated with the Smart Damper! Specialized dynamic damper proven in finish boring is further enhanced.

Chatter is eliminated instantaneously even in heavy rough boring.

Diameter Range: ø25 - ø150
Rough Boring Head

Priority is given for unique and multi-functional uses.

Diameter Range: ø16 - ø21
Rough Boring for small-dia.

Achieves high efficiency small diameter rough boring with 2 inserts.
Designed with versatile ø20 cylindrical shank.
Spiral groove for improved chip evacuation.

Diameter Range: ø200 - ø830
Rough Boring for large diameter

Rough boring head with positioning pin.

Diameter Range: ø20 - ø203
Fine Boring Head

More versatile in function and performance by a new design concept.
Back boring available as standard. Abundance of insert holders.
Prebalanced design supports high-speed boring

Diameter Range: ø32 - ø203
Fine Boring Head with Damper

Unique dynamic damper eliminates chatter!
Integrated EWN BORING HEAD and SMART DAMPER.

Diameter Range: ø41 - ø203
Fine Boring Head

The advanced digital boring head born from ultra-precision technology.
Display Resolution 1μm/φ
Fully waterproof and dustproof structure (IP69K equivalent).

Diameter Range: ø32 - ø203
Fine Boring Head for high-speed

Bore diameter adjustment simultaneously compensates imbalance.
Thus, stabilized boring at high speed is possible.
Quick adjustment within micron tolerance

Diameter Range: ø200 - ø880
Fine Boring Head for large diameter

Fine boring head with positioning pin.

Diameter Range: ø1 - ø54
Fine Boring Head

Our full lineup of cylindrical tool series products allows for versatile deep hole boring. The ultra-precise head can be adjusted to the micron, making even difficult small diameter boring possible.

Diameter Range: ø1 - ø54
Fine Boring Head

Advanced digital boring head created by ultra-precision technology.
Wide variety of carbide toolholder
Fully waterproof and dustproof structure (IP69K equivalent).
Display Resolution 1μm/φ.
Automatic power off function.

Diameter Range: ø1 - ø50
Fine Boring Head for high-speed

Manual balance adjustment mechanism.
5μm/ø scale precision diameter adjustment mechanism.
(EWB2-50 only).
Wide variety of carbide toolholder.

Basic Holder

CK boring head and basic holder for CK optional accessories.
Modular for a wide range of tool layouts.

Built-in Damper

Unique dynamic damper eliminates chatter. 

CK shank basic holder with a built-in damper.

CK Accessories

A damper is built into the CK extension. 

Just combine it with your standard CK Boring Head/CK Shank to achieve damping countermeasures.

Optional accessories to support boring. 

Modular with a wide range of layouts to support a wide variety of machining.