Fractional Tap, National Fine Thread, 7/16-In. x 20 Pipe Cement Galvanized steel to resist rust

Galvanized steel to resist rust and corrosion

1 rear Mounting bracket

Patented head to handle assembly

90% Effective At Capturing Large Allergens Like Mold Spores & Pet Dander

Fractional Tap, National Fine Thread, 7/16-In. x 20 Pipe Cement Galvanized steel to resist rust7 16" x 20, national fine thread, fractional tap, 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, use 25 64" drill bit.