Rocky Mountain Twist 3G-OTH-192932 — Technical Specifications

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: #40 is a high-speed steel threaded-shank drill bit with a 0.0980-inch diameter and a 1/4"-28 thread size. It features a black oxide finish and conforms to NAS 965 Type B specification, with a 13/32" overall length (MPN 953HS40VS).