Rocky Mountain Twist 3G-OTH-192862 — Technical Specifications

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #9 is a high-speed steel threaded-shank drill bit with a black oxide finish. It features a 0.1960-inch diameter, a 1/4"-28 thread size, and a 2-1/8" overall length, conforming to NAS 965 Type B specification (MPN 953HS9LS).