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

This cobalt drill bit is designed for drilling precision holes in hard metals, such as stainless steel and titanium, in aerospace and industrial applications. Its threaded shank (1/4"-28) provides secure mounting in tool holders, and the NAS 965 Type D compliance ensures it meets stringent aerospace standards.

The ROCKY MOUNTAIN TWIST Threaded Shank Drill Bit (MPN 953COBSS) has a 0.2380-inch diameter (Letter B), a 1/4"-28 thread size, and an overall length of 1-1/4 inches. It features a black oxide cobalt finish and conforms to NAS 965 Type D for aerospace-grade drilling.

3G Electric supplies ROCKY MOUNTAIN TWIST Threaded Shank Drill Bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this NAS 965 Type D bit.

Select based on your required hole diameter (0.2380 inches for Letter B), thread size (1/4"-28), and material compatibility. Cobalt bits with black oxide finish are ideal for hard metals. Ensure your tool holder accepts threaded shanks and that the bit meets NAS 965 Type D if aerospace standards are needed.