Koma Precision Inc.

Phone: 860-627-7059
Toll-Free: 800-249-5662
Fax: 860-623-4132

Please visit: Koma Precision Inc.

Mailing Address:
20 Thompson Rd.
East Windsor, CT 06088 US

A Special Message from Koma Precision Inc.

Visit us at IMTS 2016

Company Profile

Our 25,000 sq. ft. facility features

  • Completely equipped machine shop
  • State of the art inspection equipment
  • Product demonstration showroom
  • Multi-million dollar new product and spare parts inventory
  • All Koma products are covered by a one year warranty and backed by a service department with experience and expertise second to none.
  • Koma application engineers - with AutoCAD® and SolidWorks® 3D CAD support offer torque calculations and interference drawings at no-charge to ensure products purchased from Koma will be the best available for the required machining operations.

Product Categories of Koma Precision Inc.

  • Chucks, Collet Type (for Workholding)
  • Chucks, Jaw Type
  • Chucks, Power
  • Chucks, Precision
  • Chucks, Self-Contained
  • CNC Attachments
  • Dividing & Indexing Heads
  • Drilling Attachments
  • Drilling Heads/Attachments
  • Indexers & Rotary Tables
  • Milling Heads/Attachments
  • Replacement Parts/Repair Parts
  • Software, Other Manufacturing
  • Tool Presetters
  • Tooling Systems, Modular and/or Quick-Change
  • Workholding, Custom

Trade Names

  • Alberti
  • Elbo Controlli
  • Romai
  • Swiss Tooling
  • Tsudakoma

Deep Links

Koma Regional Offices

Koma Precision, Inc. Offices and Regional Managers


Download any or all of the catalogs for Koma's entire suite of products.

Trade Shows and Open Houses

See us at these trade shows and open houses.

Product Announcements Provided By Koma Precision Inc.


Alberti Angle Heads and Lathe Tools - New Products

Innovative Tool Identification System from Elbo Controlli

Koma Precision’s Innovative and Free Tool Presetter App in the Okuma App Store Optimizes Machining Precision



As seen in MMS

Direct-Drive Rotary Table Series for High-Speed Indexing
Tsudakoma’s new RDS series of direct-drive rotary tables, available from Koma Precision, promotes high speed and acceleration with reduced backlash.

Presetters with Increased Z-Axis Range
Koma Precision presents the E46L and E46L TW tool presetters from Elbo Controlli.

Quick-Change Tool System for Mill-Turn Lathes
Available from Koma Precision, Alberti’s SmartChange system provides quick-change, live-tooling capability for mill-turn lathes.

Rotary Table Series for Vertical Machining
Koma Precision introduces a new line of high-accuracy, high-rigidity, energy-saving and zero-maintenance rotary tables from Tsudakoma.

Variety of Angle Heads Enable Higher Tool RPM
Koma Precision offers custom-designed angle heads by Alberti, including fixed angle heads, offset angle heads, multiple-output heads and long-reach angle heads.

App Connects Tool Presetter to Machine Control
Koma Precision’s Elbo Controlli tool presetter app is available through the Okuma App Store.

Redesigned Presetters Provide Increased Measuring Range
Elbo Controlli’s E46L and E46L TW tool presetters, available from Koma Precision, feature an increased measuring range of 600 mm on the Z axis and a 22" HD touchscreen display along with optical autofocus and a new electronic control.

Redesigned Angle Heads Adjust ±105 Degrees
Koma Precision introduces Alberti Linea P high-power, adjustable angle heads with a new design and improved capacity.

Angle Heads Feature Rigid Construction
Alberti’s TH line of angle heads, available from Koma Precision, are designed for aerospace part manufacturing.

Koma Precision Appoints Sales Manager for Mexico
The appointment coincides with more concentrated sales and business development efforts in Mexico.

Koma and Hexagon Form Strategic Alliance
The agreement makes Koma the importer and integrator of M&H systems in North America.

Koma Precision Makes Executive Promotions
Effective January 1, the company has promoted individuals to serve as CEO, president and general manager.

Ball-Drive System for Accurate Table Rotation
This rotary table design is said to offer zero backlash/reversal error while providing high accuracy, rigidity and torque transfer.

Koma Precision Appoints National Sales Manager, Other Positions
The new manager will be based at the company’s Connecticut headquarters.

Koma Precision Names Regional Sales Managers
Two new sales managers will cover the central and Midwest regions of the United States.

Presetting Becomes Prevalent
Next Intent implemented presetting and shrink-fit toolholding when it bought a five-axis machining center, but it has since seen these resources deliver value to machining centers throughout the shop.

Presetter Accommodates Large, Heavy Tools
Available from Koma Precision, the Elbo Controlli 66B and 68B presetters have the capacity to handle larger, heavier tools with a measuring range of 800 mm on the Z axis.

CCAT to Receive Equipment from Koma
Koma Precision will provide workholding equipment.

Tool Presetters Offer Expanded Measuring Range
Available from Koma Precision, Elbo Controlli’s Hathor Six floor model and Sethy Six bench model tool presetters offer an increased axis-measuring range to 600 mm (23.62").


  • Video: "Technology Applied"—Aircraft Episode

    For students considering a career in manufacturing: This virtual field trip to the biggest manufacturing event in North America shows the manufacturing technology used to make aircraft parts.