Self Opening Stationary Die Heads Are Used For Use on Automatic And Semi-Automatic Machines.
Self Opening Stationary Die Heads are solidly made for long lasting durability and dependability. Made to high accuracy standards with all parts hardened and ground. Head opens automatically when the selected thread length is reached. Used with type ""D"" chasers (style D and DS chasers are interchangeable through 3/4"" diameter) made by Geometric® and other manufacturers. Have special device for roughing and finishing and can be used for cutting over and undersized threads as well as left and right hand threads. Available in 1-1/2, 2-1/2, 3-1/4, 3-3/4 and 4-7/8 inch head diameters for use with 5/16, 9/16, 3/4, 1 and 1-1/4 inch chaser sizes.