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Mate Precision Technologies showcases its machinable hard jaws for all sizes of its DynoGrip workholding vises.

The machinable hard jaws are available in center and movable configurations. They feature Mate’s quick-change design, but are blank for adding a custom profile. Customers can modify the machinable hard jaws themselves or Mate can add the custom jaw profile before it ships.

The machinable hard jaws are made from the same hardened tool steel as Mate’s standard jaws with the same core hardness of 45-50 HRC and surface hardness of up to 65 HRC. They handle complex geometries typically associated with soft jaws, but with increased rigidity and hardness, the company says. Mate’s machinable hard jaws are also available as center jaws to double the capacity while holding parts with complex geometries.

Mate provides numerous modification possibilities for its machinable hard jaws to fit special geometries. For example, Mate can modify jaws to accommodate custom dovetails or Picatinny rail dovetails. Other custom solutions include jaws for holding round parts, V-shaped jaws with teeth and inserts for clamping bars on top of the jaws. The machinable hard jaws are  well suited for holding complex part geometry during finishing operations.