Sets - Extensions, Drill Bits & Screwdriver Bits

About TightFit® threaded shank drill bits
TightFit® threaded shank 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 high speed 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.

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Drill and Tool Extension Set
$19.98
Availability: Usually ships the same business day
00120
Threaded Shank Drill Bit Set, Combo
$19.98
Availability: Usually ships the same business day
00131
Threaded Shank Drill Bit Set, Long Series
$19.98
Availability: Usually ships the same business day
00132
Threaded Shank Drill Bit Set, Short Series
$19.98
Availability: Usually ships the same business day
00133
Threaded Shank Drill Bit Set, Stub Series
$19.98
Availability: Usually ships the same business day
00134
Threaded Shank Screwdriver Bit Set
$3.49
Availability: Usually ships the same business day
00155
Kits - Tight Fit® Drill KitsItems - Right Angle Drills, Extensions, Wrench, Collets & CountersinkDrill Bits - Fractional & Wire Gauge Sizes