ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit: 1/4", 1-1/4" Overall Lg

This drill bit is used for precision drilling in metalworking and aerospace applications. Its threaded shank (1/4"-28) allows secure mounting in tool holders, while the black oxide HSS construction provides wear resistance. It meets NAS 965 Type B specifications, making it suitable for high-tolerance industrial tasks.

The ROCKY MOUNTAIN TWIST 953HS1/4SS is a high-speed steel drill bit with a 0.2500" diameter, 1/4"-28 threaded shank, and 1-1/4" overall length. It features a black oxide finish and complies with NAS 965 Type B standards. The manufacturer part number is 953HS1/4SS.

3G Electric supplies ROCKY MOUNTAIN TWIST drill bits worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the 953HS1/4SS or other threaded shank drill bits for your operations.

Select based on thread size (1/4"-28 for this bit), diameter (0.2500"), and material compatibility. For aerospace or high-precision work, ensure the bit meets NAS 965 Type B specs. The black oxide finish aids chip flow. Always match the shank to your tool holder's thread pattern.