Author

Jack Burley

Jack Burley is national product manager of rotating tools for KPT Kaiser Precision Tooling Inc., Elk Grove Village, Illinois.

National Product Manager of Rotating Tools
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Articles June 1, 2000 Jack Burley
Double Header
The author discusses the advantages and proper application of twin-cutter boring tools. They're recommended for rough-boring applications on castings, forgings and other jobs requiring a tool that can bore a cored hole. Details are provided on the three basic types of methods for rough boring with a twin cutter: balanced, stepped and full profile.
Articles February 1, 1995 Jack Burley
Switch Drills?
For drilling standard holes in metal, there are three primary types of drills: twist, spade and indexable insert. This article discusses the pros and cons of each design and the applications for which each might be appropriate. Factors considered include hole depth, tool cost, drill speed, coolant delivery, tool inventory required, machine tool requirements and expected tool life.