Hardinge Workholding

Phone: 607-734-2281
Toll-Free: 800-843-8801
Fax: 607-734-3886

Please visit: Hardinge Workholding

Mailing Address:
One Hardinge Dr.
PO Box 1507
Elmira, NY 14902-1507 US

A Special Message from Hardinge Workholding

Today's industry demands Hardinge's accuracy, durability and flexibility.

Swiss-Type Collets & Guide Bushings
Swiss-Type Collets & Guide Bushings

Hardinge, well known in the industry for Super-Precision®, offers gripping solutions for producing small diameter parts for the medical and aerospace industries. Their products include headstock collets, pickoff collets, carbide guide bushings, bar loader collets and custom manufactured solutions. “We’ve added several new collets and guide bushings to our inventory to meet customer demands and support newer machine models”, states Rick Schonher, Product Manager for Hardinge Workholding Division. Hardinge collets are inspected on a Hardinge SUPER-PRECISION® (.000015” TIR) headstock before reaching the stockroom.


Spindle Tooling for the Metalworking Industry
Spindle Tooling for the Metalworking Industry

Hardinge is the world's largest manufacturer of spindle tooling. Spindle tooling is available for all brands of lathes, mills, grinding machines, automatic screw machines, rotary transfer machines, turret lathes, automation, process and assembly. See over 50,000 products online at www.shophardinge.  This comprehensive site lets you place orders, track your product, maintain multiple shipping addresses, view user manuals & catalogs and watch videos.  Your account can be set up and functional in minutes!

Indexers and Rotary Tables
Indexers and Rotary Tables

Hardinge offers the most flexible quick-change rotary workholding system on the market!  Hardinge's A2-4 and A2-5 spindle nose designs allow quick-change between collets, Sure-Grip expanding collets,  chucks and the slotted face plate. Common tooling can be shared between the rotary system and the lathe. Choose from a large selection of rotary products for all ranges of production. Styles include single spindle, multi-spindle and dual-axis units. Plate and cube trunnions take on multiple part fixturing.

Company Profile

Hardinge ranks as the world's largest manufacturer of spindle tooling. As such, we stand ready to provide stock delivery of a vast array of styles, shapes and sizes for automatic screw machines, lathes, mills, grinding machines, automation, process and assembly. Our full product line includes collets, Sure-Grip expanding collets, FlexC collet systems, step chucks, power chucks, jaws, collet chucks, CNC mill tooling, rotary tables and indexers, toolholder collets, bushings and tool holders. Over a century of engineering and production experience is behind every product we manufacture. We specialize in custom workholding applications to meet your requirements and greatly increase your production and profits.

Product Categories of Hardinge Workholding

  • Arbors, Expandable Workholding
  • Chuck Jaws & Collets
  • Chucks, Collet Type (for Workholding)
  • Chucks, Jaw Type
  • Chucks, Precision
  • Collets for Toolholding
  • Collets for Workholding
  • Dividing & Indexing Heads
  • End Mills
  • Guide Bushings (for Swiss Lathes)
  • Indexers & Rotary Tables
  • Tool Bushings & Adaptors Attachments
  • Tool Holders & Adapters
  • Tooling Systems, Modular and/or Quick-Change
  • Vises & Vise Jaws
  • Workholding, Custom

Trade Names

  • Dead-length
  • FlexC
  • HCAC
  • HQC Quick-Change
  • Sure-Grip

Deep Links

Spindle tooling for lathes, mills and grinding machines - Hardinge collets are know for their accuracy and durability with the best total indicator reading (TIR) in the industry? watch our video and view the Hardinge image library, catalogs and instructions sheets.

Spindle tooling for automatics, turret lathes and rotary transfer machines - Hardinge provides spindle tooling for all brands of single and multi-spindle machines?view the Hardinge image library, catalogs and instruction manuals.

HQC quick-change collet systems for automatics - Product features include quick changeover for more time in the cut, greater grip force, higher feed rates and spindle speeds and true parallel gripping ? view the Hardinge catalog.

FlexC vulcanized collet systems for CNC lathes - Fast changeover, high accuracy and wide gripping range in a sealed collet head. Watch our video and view the Hardinge image library, catalogs and instructions.

HCAC collet adaptation chucks - Need collet capability on your jaw chuck lathe? Hardinge HCAC Collet Chucks offer collet capability for higher precision and accuracy when you need it. View the Hardinge image library, catalogs and instructions.

Product Announcements Provided By Hardinge Workholding

Collet Blocks

Collet Chucks

Collets, Feed Fingers and Pads

Custom Workholding Manufacturing

Direct-Drive Rotary Systems

As seen in MMS

Hydraulic or Pneumatic Actuation for Collet Blocks?
Collet-style workholding devices like collet blocks offer a number of benefits, but which actuating method is most appropriate for you?

Collet Blocks: Hydraulic or Pneumatic?
Collet-style workholding devices, such as collet blocks, offer a number of benefits, but which style is most appropriate for a given application?

Collet Series Promotes Accuracy, Durability
Available in sizes ranging from 1C to 25C, Hardinge’s C-series collets are designed for use in manual and CNC lathes, mills, grinding machines, collet blocks and closers, indexers, rotary tables, and toolholders.

Collet Blocks for Multiple-Part Machining
Hardinge offers pneumatic and hydraulic collet blocks for milling, drilling, grinding, inspection and assembly applications.

Collet Adapters Improve Part Precision
Hardinge’s HCAC collet adaptation chuck adapts most spindles to accept C-series pull-back collets, J-series pull-back collets, stationary B-series collets, style-S master collets, step chucks, and closers and dead-length collets.

A Tidy Turning Cell
This compact cell offers automated turning and inspection for extended periods of unattended operation.

The Big Step Up
A small shop added two new machines, each of which is more advanced than any of the previous machine tools the company has used. One of the co-owners committed to the work of bringing both of these machines fully into service. Here is the shop’s experience so far.

Workholding Products for Small to Medium Parts Machining
Hardinge will display its workholding products for gripping parts to be turned, milled, ground, welded, assembled or positioned in the small-to-medium parts machining industry at IMTS 2012.

Collet Pads Change Over Faster Than Solid Collets
Hardinge’s Style-S collet pads are designed to take up less space, cost less and change over faster than solid collets.

Reasons to Consider Custom Workholding
“There isn’t a shop that can say they’ve never had a problem gripping a part.” This is a quote from an introductory piece that describes the capabilities of the Hardinge Workholding Division in engineering custom workholding solutions for those problem parts.

Bridgeport, Rotary Compatibility Brochure
Hardinge rotary tables can be matched to a Bridgeport VMC operated with a Fanuc control.

Expanding Collet Systems Feature Interchangeable Heads
Sure-Grip expanding collet systems from Hardinge grip the internal diameter of a part for turning, milling, grinding, assembly, inspection and automation applications.

Manufacturer Turns Inward for New Machine
The Hardinge Workholding Group needed a heavy-duty machine with a rigid structural design that could perform multiple operations. After scouring the market, the group found the right model closer to home than it expected.

Collet-Ready Rotary Tables, Indexers Reduce Job Cost
Collet-ready spindle rotary tables and indexers manufactured by Hardinge accept a variety of standard tooling to grip parts of various shapes and sizes.

Rotary Table Offers Accuracy, Repeatability
Hardinge’s DD100 direct-drive super-precision rotary table is a high-speed parts positioner with ±3 arcsecond accuracy and 4 arcsecond repeatability.

Direct-Drive Rotary Tables for Contouring, Positioning
The company’s direct-drive rotary tables have zero backlash, permitting rapid bi-directional movement without lost time compensating for position over-travel.

Vulcanized Collet Systems
The FlexC collet systems are flexible, sealed collet heads that can interchange in seconds.

Low-Profile Rotary Tables for Heavy Loads
Low-Profile Rotary Systems are engineered to support heavy loads and high-force cutting applications while offering a fast clamp-and-release feature to speed production, the company says.

Low-Profile Rotary Table
The company’s GD160LP rotary table is designed to provide rigidity, speed, accuracy, low-profile and repeatability.

Low-Profile Rotary Table
 The GD160LP rotary table is said to provide rigidity, speed, accuracy and repeatability in a low profile.