Fractional Tap, National Coarse Thread, 9/16-In. x 12 Dryer Vent Accessories Designed to replace broken cast-iron

Designed to replace broken cast-iron flanges with a gasket that expands to also fit service weight

design certified to asse 1061/nsf61 standards

Multiple-size electrical knockouts

15/16" outside threads

Fractional Tap, National Coarse Thread, 9/16-In. x 12 Dryer Vent Accessories Designed to replace broken cast-iron9 16" x 12, national course 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 31 64" drill bit.