1/2" - 20 Plug Tap, High Speed Steel - National Fine Thread

Model #: TAP-1/2-20

Price: $6.10

Description: 1/2"-20 HS Plug Tap 0329-0146

• Thread Diameter: 1/2"
• Threads per Inch: 20
• High Speed Steel. Ground Thread.
• Plug taps are the most popular hand tap, with a chamfer in between Taper Taps and Bottoming Taps.
• Recommended Drill Size: 29/64"

Can be used in a machine as well as by hand, but it does not drive the chips ahead like a Spiral Point Tap.