High Performance Jaw Nuts


Manufactured from certified 4140 heat treated steel, these jaw nuts and keys provide superior wear resistance, impact resistance, higher tensile strength, and extended jaw nut life compared to jaws made from case hardened 1018 steel.

Standard sizes are stocked for immediate shipment.  They are ideal for workholding applications requiring durability and high strength such as high speed machining.


  • Manufactured from certified 4140 heat treated steel
  • Made in the USA
  • ISO 9000-2008 certified
  • Available to fit all popular power chucks from 6² in diameter to 24² in diameter
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