Dunham Tool Company

Collet Chucking Systems
Dunham Tool has improved its collet chucking systems so that they are more easily and efficiently adaptable for lathes, rotary tables, cylindrical and surface grinders and special machines.Designed for use in either rotary or stationary applications, the precision air collet chuck provides for precise concentricity and positioning adjustment.

Bar Pull Systems With Metric Sizes And New Inch Increments
The Dunham Tool Company has expanded its line of bar pull systems to include metric sizes and additional inch increments. The added bar pull metric sizes include a 25-mm-diameter bar pull shank that mounts into a 25-mm boring toolholder. The bar pull grippers now include grippers for barstock sizes ranging from 3-mm to 30-mm diameters.