TTC 3/4" HSS Straight Shank Short Series Counterbore

Interchangeable Pilot Type Counterbores from TTC Production. Presenting here are short series of counterbores to enlarge holes on any ferrous or non-ferrous workpiece. Ask any small-job machinists and they will recommend you TTC counterbores for your machining requirements. These bars are made up of high-speed steel and last long in industrial conditions. The bars come in three or five flutes, straight-shank design. TTC offers large assortments of counterbores in fractional sizes ranging from 3/16 inch to 1-1/2 inches. The shank diameter sizes are available in 15/64 inch, 17/64 inch, 19/64 inch, 5/16 inch, 3/8 inch, 7/16 inch, 1/2 inch, 5/8 inch, 3/4 inch, 1 inch & 1-1/4 inches. The overall length of these counterbores ranges from 3 inches to 7-7/8 inches. Excellent results can be achieved on workpiece material ranging from Steel, Stainless Steel, High-Temp Exotic alloy, Non-Ferrous, Cast Iron, to Plastics. You can find a range of carbide and high-speed steel radius and cutting tools, abrasives, holding accessories, and much more from the TTC brand here. All TTC products are globally sourced and meet standard ANSI tolerances and requirements. This brand is now a top choice for common materials, short-run jobs, and general-purpose projects.ApplicationsUsed to enlarge the opening of a hole to allow room for the head of a screw.FeaturesAccepts wide range of interchangeable pilots.