Contact one of our representatives for more details. Designed for use in J.S. Richardson Boring Machines, but can also be used in Root, Bell, Greenlee and other machines using threaded spindles. Short length reduces run-out at tip of bit. This steel requires less frequent sharpening to maintain maximum production. The threaded shanks are treated specially for greater reliability.
Round shoulder has pin hole for quick removal of the bit.
Not recommended for power fed equipment. Use style 203 drills for power equipment. 4 Designed primarily for the Bell 24 Double End Miter and Boring Machine. The extended shaft insures rigidity especially on small diameter tools. L 19.86 These carbide-tipped drills were developed especially for use in plastics, laminated products, and chip core.