Hard jaws from Dillon Manufacturing, Inc., feature diamond shaped serrations for increased pull down effect which reduce part slippage and push back from using a bar feeder. The aggressive serrations on the gripping surfaces are also suitable for cast parts, scaly parts or parts with imperfections. Manufactured of 1018 or 8620 steel which is then case hardened and coated with black oxide for corrosion resistance, the hard jaws provide long jaw life and greater precision with ground locating services. They are available in different mounting configurations including serrated, T&G, Acme, and square serrated key types to fit all brands of chucks. Dillon chuck jaws are very versatile with multiple radiuses for both inside and outside clamping making then ideal for any size run. Dillon also offers special or modified hard jaws with industry-best turnaround time, which saves time and money by reducing down time.