Machine Screw Tap, National Course Thread, #4 x 40 Brand_Enforcer and a fixed shower spray

and a fixed shower spray pattern provides extended reach and optimal water flow

for electric water heaters only

killing them outside before they come inside (refer to product label for complete lists)

Handle size: medium

Machine Screw Tap, National Course Thread, #4 x 40 Brand_Enforcer and a fixed shower spray#4 x 40, national course thread, machine screw 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 drill bit #43 or 5 64".