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Northfield Precision Instrument Corp.



Phone: 516-431-1112
Toll-Free: 800-810-2482
Fax: 516-431-1928

Please visit: Northfield Precision Instrument Corp.

Mailing Address:
4400 Austin Blvd.
PO Box 550
Island Park, NY 11558-0550 US



A Special Message from Northfield Precision Instrument Corp.

Precision Workholding At Any Speed

Northfield Precision has been the leading manufacturer of precision air chucks and accessories for over 45 years. The company mission has been and still is, to provide the industry with superior quality and service for the most accurate air chucks manufactured in the world. The company specializes in technical support that is given to all original equipment manufacturers as well as end users. We work closely with our representatives and distributors, supported by factory engineers, to provide precision chucks to the following industries: automotive; aerospace; electrical/electronic; medical/optical; machine tool, plastics/ceramics; appliance; education/training. Products include • Precision air chucks 3" (76mm) to 12" (305mm) with guaranteed accuracies of 0.0001 (2.54µ) to 0.00001 (0.254µ) wet or dry • High-speed diaphragm chucks • Through-hole chucks • Quick-change chucks and jaws • Custom designed workholding fixtures • Special designed jaws and accessories • Standard and full circle jaw blanks • FREE engineering assistance.


Product Categories of Northfield Precision Instrument Corp.

  • Chuck Jaws & Collets
  • Chucks, Diaphragm
  • Chucks, Gear
  • Chucks, Jaw Type
  • Chucks, Precision
  • Chucks, Self-Contained
  • Chucks, Special
  • Chucks, Vacuum
  • Clamps & Fixturing Devices
  • Fixturing Systems
  • Workholding, Custom

As seen in MMS

Collet Chuck Features Removable Part Stop
Northfield Precision Instrument Corp. offers an internal-grip collet chuck originally designed to help a customer clamp the internal diameter of valve balls.

Sliding-Jaw Air Chuck Grips Square, Rectangular Parts
Northfield Precision’s Model 870 sliding-jaw air chuck features two moving jaws for gripping square or rectangular parts with 0.0001 TIR.

Diaphragm Chuck Holds Two Workpieces
Northfield Precision’s DPH1000W 10" diaphragm chuck is capable of locating and clamping two workpieces with different location datums.

Sliding-Jaw Air Chuck Clamps Small Areas
Northfield Precision’s Model 1000 sliding-jaw air chuck features a special top tooling and axial locator.

Air Chuck Grips Gears
Northfield Precision’s Model 650 sliding-jaw air chuck, with 0.0001" TIR, features quick-change jaws and a hard stop.

Chuck Grips Two Diameters
Northfield Precision’s model DPH-900 chuck features a double-diaphragm design capable of gripping two different diameters on the top and bottom.

Sliding Jaw Chuck Can Be Customized
Northfield Precision Instrument’s model NF-800 standard sliding jaw chuck can be customized, depending on customer needs.

Air Chuck with Top Tooling Improves Machine Efficiency
Northfield Precision Instrument offers the model 450 custom-designed air chucks to improve machine efficiency.

Air Chuck Uses Three Jaws for Gripping
Northfield Precision Instrument’s Model 700 air chuck features a 7" diameter and three jaws that grip the automotive “hub” to drill and chamfer the holes.

Rubber Chuck Grips Automotive Joints
A rubber chuck by Northfield Precision Instruments is designed to grip automotive “rubber coupling” drive shaft joints.

Air-Actuated Collet Chuck
Northfield Precision’s 5C collet chuck is interchangeable with its 4" chucks.

Air Chuck Uses Four-Port Air Tube
Northfield’s model 450WHF chuck features a special four-port air tube and piston to enable open, close, autolube and air-detect functions.

High Speed Balancing Chuck
Northfield Precision Instrument’s high speed balancing chuck locates a universal joint using built-in V-blocks and two diaphragm jaws. The jaws and blocks center the workpiece while two arms slide down to face clamp.

High/Low Chucking
 Northfield Precision announces the development of two methods of high/low chucking: “on the fly,” and “cycle interrupt. ” Using a proprietary valve system, delicate parts can be rough machined and finished in one chucking. The cycle starts with the jaws clamping at high pressure for roughing, then dropping down to low pressure for finishing.

Full Line Of Diaphagm Air Chucks
Northfield Precision Instrument’s full line catalog of diaphragm air chucks offers information on its custom-design workholding jaws, special devices, specifications, material, dimension and ordering information.

Diaphragm Chuck Operates At High Speeds

Use VMC As Vertical Lathe With Spindle-Mounted Chuck

Hip-Socket Chuck

Chucks That Break A Bottleneck
Finding a better way to hold the part meant more parts per shift, better tool life and improve surface finish.

10" Face Clamping Chuck