Reversible Hard Jaws for ID & OD Workholding Speed Set-Up Times

June 11, 2016
Reversible hard jaws from Dillon Manufacturing, Inc., which are suitable for ID and OD workholding, can decrease the time and cost of tool set-ups, yet still accurately grip and locate work pieces. The jaws are designed to hold a specific range of part sizes and are usually used for first operation workholding. They are available in serrated, Acme Key, square key, and tongue-and-groove styles to fit all brands of chucks.  These single or two-step jaws feature diamond shaped serrations which provide accurate gripping and parts locating.


  • made of 8620 steel, case hardened, with ground locating surfaces
  • black oxide coated for corrosion resistance
  • custom made or modified versions can be supplied