These precision cutters are the ultimate in chatterless countersinking. The minimum cutter diameter has been calculated to eliminate skin damage, and the undercut on the flutes provides for easy chip ejection. Used with ATI444 SERIES Premium Microstops, ATI443 SERIES Microstops, & other 1/4-28 Female Threaded Microstops.
Recognized throughout the industry as a leading producer of quality cutting tools, ATI Tools give the industry tools that are designed for high-rate production in the full range of metals used in aircraft manufacturing and maintenance.
The tools contained in this section are made of the finest tool steel and carbides. The cutters are carefully heat-treated, precision ground for correct cutting angles and proper clearance, then thoroughly checked to ensure accurate cutting without chatter. After final inspection, all tools are dipped in a protective plastic coating for shipment and storage.
A variety of microstop countersink units and accessories have been designed to present a versatile selection of tools for all working surfaces and areas.