Century Drill & Tool 3/8-18 NPT National Pipe Thread Tap Spax strap length 39-5/8"

strap length 39-5/8"

Uses: Dormer and porch roofs

round corner hinge

The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate strength and protect against side-load breakage

Core ejection slot removes plug for repetitious holes

Century Drill & Tool 3/8-18 NPT National Pipe Thread Tap Spax strap length 39-5/8"National Pipe Thread Taps. Precision Cut Threads, Accurately Formed For Consistent, Exact Threading. Heat Treated And Tempered For File Hard Threads, And Longer, Useful Life. Designed For Hand Cutting Applications. National Pipe Thread Tap Sizes For Internal Threading On All Types Of Pipes.