3 Jaw Chucks

Built to withstand the robust conditions of the welding industry, IRCO 3 jaw self-centering welding chucks are specifically designed to secure heavy cylindrical weldments—they are proven every day in some of the largest mod yards and pipe spool fabricating facilities across North America.

Dependable Gripping of Parts

Our 3 jaw chuck body is equipped with:

  • An enclosed face for protection from weld spatter and flux contamination.
  • A self-centering mechanism that ensures the part remains centralized during rotation for consistent welds and quick change over.
  • A hardened and serrated chuck jaws—reversible from inside to outside diameter clamping allows for faster setup, greater versatility and stronger gripping force.
  • Precision machined components and gears for smooth accurate adjustment
Capacity & Dimensions3JC-113JC-203JC-303JC-483JC-60
Outside Diameter Range (in).375 – 11.252 – 202 – 302 – 483 – 60
Inside Diameter Range (in)4.25 – 156 – 246 – 346 – 527 – 64
Machine Weight (lbs)20190235425510
Jaw MotionSelf-Centering
Mechanical DriveQuick Jaw MechanismInternal Cam MechanismInternal Bevel Geartrain Mechanism Driving ACME Screws
Operation of ChuckManual Torque Arm
Chuck JawsReversable Chuck JawsQty 3 Pin Adjustable HD Chuck Jaws
Gripping InsertsNo InsertsReplaceable Carbide Tipped Serrated Inserts


**Reference purposes only. All specifications are subject to change without notice.

Options – Accessories

Replacement Jaws

Additional Spare Chuck Jaws

Replacement Serrated Inserts

Carbide Tipped Serrated Inserts

Custom Jaws

Custom Built Chuck Jaws for Odd Shaped Weldments

Specialty Inserts

Specialty Inserts for Different Material Requirements

Factory Mounting

Mounting of Chuck to Positioner