Century Drill and Tool Carbon Steel Plug Tap 7/16-20 NC (7/16-20 National Coarse)

• 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
• The plug style tap is the most commonly used style of tap with 3 to 5 threads chamfered
• Best drill: 25/64″

Use with Cutting Oil when cutting threads in metal.