1/4-28 Carbon Plug Tap National Fine Thread

10-32 Carbon Tap Bottom Type NF Steel

1/4-20 Carbon Bottom Tap NC - Fine

12-24 Carbon Tap Plug Type NC - Steel

10-24 Carbon Taper Tap NC - u/m 1

1/2-13 HSS Tap Bottom Type National Course Thread

1/2-20 C Steel Plug Tap - Fine Thread

1/4-28 Carbon Bottom Tap National Fine Thread

3/8-16 Carbon Steel Bottom Tap NC - u/m 1

3/8-16 Carbon Steel Taper Tap NC - u/m 1

3/4-10 Carbon Plug Tap Course Steel

A hand tap for threading applications, specified as a 5/16-18 plug style tap. It is made of carbon steel with a plain finish. The tap measures 2-23/32" long and has a 1-1/8" thread length. It has coarse 18 threads per inch and 4 flutes.