Irwin High Carbon Steel Bottom Tap
Highlights: Size: #10 - 32 NF Use with no. 21 drill bit 1 to 2 threads chamfered Ideal for threading close to the bottom of blind holes High carbon steel material For hand tapping applications Chip breaking technology cuts chips easier Tap size and recommended drill bit size are laser etched on each tap Taps produce a class 2B thread Carded