Tap & Drill Set, National Fine Thread, 1/4-in. X 28

1/4" x 28, national fine thread, tap & drill set, carbon steel, ideal for routine maintenance, repair work & for rethreading where high accuracy & tolerance thread is not critical, straight flutes are ground to provide rapid chip removal for efficient threading, designed for hand threading work in a variety of materials taps produce a class 2b thread, includes #3 drill bit.

Descriptions are AI-generated. For accurate measurements, please call the store to confirm.