5/16"-18 NC High Speed Hand Tap GOOD.USED Condition
A-1 SUPPLY $0.950.95 SKU 51618UMore Details
Plug taps have 3 to 5 thread chamfer. The most common taps used for through holes and some blind holes as well. Plug taps also used for to start a thread.
High Speed Steel provides good wear - resistance and can be used in general purpose applications for both ferrous and nonferrous materials.
Hand taps are for general purpose applications and hand tapping operations.