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#4-40 Plug STI Tap, High Speed Steel

Model #: TASTI-4-40

#4-40 Plug STI Tap, High Speed Steel

Price: $7.00

  • Size: 4-40

For helical screw thread inserts, Class 3B. High speed steel, plug style. A 1/4-20 STI tap creates the proper thread (a bit larger than 1/4-20) for installing a 1/4-20 Recoil or Helicoil insert, which will accept a 1/4-20 threaded part.

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