Fine Boring Heads

BIG KAISER offers the most complete line for tooling in a modular boring tool system. Our fine boring heads are great high precision finishing options for small, medium, and large diameter applications. Digital, balanced or classic analog boring heads built of steel or aluminum are available for the highest performance. Additionally, a wide selection of reduction bushings, carbide or hardened steel boring bars, and replaceable insert holders assure optimum tool selection for nearly all bore diameters and depths.

Small Diameter Fine Boring Overview

Intermediate Fine Boring Overview

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EW 15-18

For precise finishing operations of small diameter bores with high spindle speeds.

EWB 2-50

EWB 2-50 balanceable boring heads maximize cutting speeds and feeds on small diameter bores due to an integrated counterweight.

EWB 32-105

Autobalance boring heads, Series 310 EWB, maintain perfect balance throughout the working range due to the integrated counter-balance mechanism.

EWB AL 100-203

EWB AL balanced boring heads are made of high-strength aluminum with hard coating making them suitable for high-speed operation in larger bore diameters.

EWB-UP 25-100

The revolutionary new EWB UP series sets higher standards for boring heads concerning adjustment accuracy and balance quality.

EWE 2-152

EWE 2-152 digital fine boring heads feature variable length adjustment of the tool holders, ensuring the shortest and most rigid tool assembly.

EWE 41-203

With sizes ranging from 41 to 203 mm, the EWE digital boring head for fine boring features a large on-head display and connects to the BIG KAISER app making extremely precise bores easier than ever.

EWN 04-152

EWN 04-152 centric fine boring heads feature variable length adjustment of the tool holders, ensuring the shortest and most rigid tool assembly.

EWN 20-203

The EWN single cutter boring tool program for finishing covers an impressive diameter range with only 7 precision boring heads.

The Fine Boring Series 318

The large diameter boring system Series 318 system is super light providing high-precision and performance. Learn more about our modular boring system.

Smart Damper Boring

The EWN/EWD Smart Damper damps vibrations and reduces chatter in deep-hole finish boring and extended-reach face milling applications.

Frequently Asked Questions

Does BIG DAISHOWA offer digital boring technology?

Yes, BIG DAISHOWA currently offers the EWE Series of fine boring heads. The EWE 2-152 variable-length heads are ideal for smaller diameter, fine boring work. The EWE 41-203 heads have a larger work range and three different holders.

The digital readout on these heads makes it easy for operators to make fine adjustments quickly and accurately. These heads can also connect to the BIG KAISER app for display, to log historical adjustments and quickly access tool-specific cutting data.

How do I find the right fine boring head for my application?

As always, every application is a little different. To help find the boring head that matches the work you do, we've developed comparison charts for our intermediate and fine boring heads. They break down criteria like diameter range, resolution, connection sizes, balancing insert holders and price.

Fine Boring Heads

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Filter Your Product Options

EW 15-18

EWB 2-50

EWB 32-105

EWB AL 100-203

EWB-UP 25-100

EWE 2-152

EWE 41-203

EWN 04-152

EWN 20-203

The Fine Boring Series 318

Smart Damper Boring

Frequently Asked Questions

Does BIG DAISHOWA offer digital boring technology?

How do I find the right fine boring head for my application?

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Fine Boring Heads

Have A Question? Ask Our Tooling Experts!

Filter Your Product Options

Frequently Asked Questions

Does BIG DAISHOWA offer digital boring technology?

How do I find the right fine boring head for my application?

Have A Question?
Ask Our Tooling Experts!