Century Drill and Tool 95106 Tap-Plug Carbon Steel 5/16-24 National Fine
$9.79
The plug style tap is the most commonly used style of tap with 3 to 5 threads chamfered. Century Drill and Tool. Tap-Plug Carbon Steel 5/16-24 National Fine. Best drill: I. Heat treated and tempered for file hard threads and longer useful life.
