Threaded Shank Drill Bit Set

Tight Fit Tools model 00134 Stub Drill Bit Set with threaded shanks.

Five aircraft quality precision twist drill bits in the following drill diameters: 3/32, 1/8, 5/32, 3/16 & 1/4 inches.  The overall length, not including the threads, is 1/2-5/8".  All TightFit® threaded shank drill bits are black oxided to add lubricity, prevent corrosion while enhancing appearance.

The drill bits comply with National Aerospace Standards.  The Standard provides the following description, "A special short flute, heavy duty drill designed for drilling the hard, high strength alloys used in aircraft manufacturing."  The drill bits are made from M2 or M7 tool steel with self-centering, 135 degree, P3 split points and a Rockwell C scale hardness of 63.5 to 66.  They are manufactured as right-hand tools with 5/16" hex wrench flats and 1/4-28 UNF-2A threads.  TightFit® threaded shank drill bits are concentric, self-tightening, non-slipping, long life tools designed for work in limited space situations.  Three lengths of drill bits: LONGS=2 1/8"; SHORTS=1 1/4"; and STUBS=1/2-5/8" (excluding the threads).  NOTE:  THE DRILL BITS HAVE 1/4-28 THREADED SHANKS, THEY WILL NOT WORK WITH THE 00106 & 00110 KITS.

TightFit® threaded shank drill bits WORK EQUALLY WELL IN METAL, WOOD OR PLASTIC

Free Expedited Shipping within the United States.  Faster Express Mail is available at a cost.  Combined shipping is available for Express Mail; Local pickup is available.  International shipping is provided through the Global Shipping Program.

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Tight Fit Tools FAQs

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