Irwin 1791138 High Carbon Steel Bottom Tap, 3/8"-16 NC

Highlights:

• Use with 5/16" 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

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