Springfield, OH – 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 ideal 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 ...This story is related to the following:Chuck Jaws