Threaded Drill Bits & Kits

Threaded shank drill bits are designed to drill in confined areas and be used in tools with ¼”-28 female spindles. Threaded shank drills are available in HSS and cobalt.

Threaded shank drills are manufactured to NAS 965 standards and come in stubby, short, and long series.  

Threaded shank drills are available in kits with the following sizes: #10, #21, #30, and #40.

Manufactured and assembled in the USA.