Reversible hard jaws

Reversible hard jaws

Reversible hard jaws from Dillon Manufacturing are suitable for ID and OD workholding. The company says they accurately grip and locate workpieces while significantly reducing setup times. Designed to hold a specific range of part sizes, they are suited for first operation workholding, the company says. They fit all brands of chucks, including serrated, Acme Key, square key, and tongue-and-groove styles. Single or two-step jaws feature diamond-shaped serrations to provide secure gripping and accurate parts locating.

July 9, 2025

Reversible hard jaws from Dillon Manufacturing are suitable for ID and OD workholding. The company says they accurately grip and locate work pieces, while significantly reducing set up times.

Designed to hold a specific range of part sizes, they are suited for first operation workholding, the company says. They fit all brands of chucks including serrated, Acme Key, square key, and tongue-and-groove styles. Single or two-step jaws feature diamond-shaped serrations to provide secure gripping and accurate parts locating.

It is manufactured from 8620 case hardened steel, with ground locating surfaces, and black oxide coated for corrosion resistance. Dillon also offers custom made special or modified hard jaws with industry-leading turnaround times.

Dillon Manufacturing, Inc. manufactures a complete line of standard and custom workholding solutions including chuck jaws, chucks, vises jaws, soft jaws, hard jaws, collet pad jaw systems, and chuck lubrication.

Glossary terms in this article

  • corrosion resistance
    Ability of an alloy or material to withstand rust and corrosion. These are properties fostered by nickel and chromium in alloys such as stainless steel.
  • black oxide
    Black finish on a metal produced by immersing it in hot oxidizing salts or salt solutions.