Rocky Mountain Twist 3G-OTH-195606 — Technical Specifications

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #13 is a cobalt threaded-shank drill bit with a 0.1850-inch diameter and a 1/4"-28 thread size. It meets NAS 965 Type D specifications and has a 9/16" overall length with a black oxide finish. This bit is designed for industrial drilling applications requiring a threaded shank.