Irwin 1791172 High Carbon Steel Bottom Tap, #10-32 NF

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Used for hand threading work in a variety of materials. Produces class 2B thread. Tap size and recommended drill bit size is laser etched on each tool for easy identification.
SKU: 42863973
MFG: 1791172
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  • 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
WARNING: Cancer and Reproductive Harm -


MFR: 1791172
SKU: 42863973
UPC: 038548994185
Brand: Irwin