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> 10 - 5/16" threaded stub twist drills 1/4" x 28 hs usa
10 - 5/16" threaded stub twist drills 1/4" x 28 hs usa
10 - 5/16" Threaded Stub TWIST DRILLS 1/4" x 28 HS USA
5/16" (.3120) Threaded Stub Twist Drills
The drills have a 1/4" x 28 threaded base.
These are excellent quality government surplus twist drills. The brands are not marked on these bits, but they are all high speed steel, marked HS. All Made in USA.
