combo pack 7/16-14 national coarse tap & fractional drill bit 3/8". fractional tap. 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.
Heat treated and tempered for file hard threads and longer useful life
Designed for hand cutting applications
The plug style tap is the most commonly used style of tap with 3 to 5 threads chamfered
