Irwin 1791174 High Carbon Steel Bottom Tap, 5/16-24 NF

Highlights:

• Size: 5/16 – 24 NF
• Use with I 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