Irwin 1788674 High Carbon Steel Bottom Tap

buy hole saws & mandrels at cheap rate in bulk. wholesale & retail hand tool supplies store. home décor ideas, maintenance, repair replacement parts
5/16"-18NC, Use with F drill bit, 1 to 2 threads chamfered, High carbon steel, Taps produce a class 2B thread
SKU: 42694864
MFG: 1788674
Shop more products by Irwin.

Shop for Hole Saws & Mandrels on sale from the biggest hand tool supplies store in USA

In Stock
Request a Bulk Quote

Thank you for your quote request. We will be in touch.




  • 5/16"-18NC
  • Use with F drill bit
  • 1 to 2 threads chamfered
  • Ideal for threading close to the bottom of blind holes
  • High carbon steel
  • For hand tapping applications
  • Chip breaking technology cuts chips easier
  • Tap and size recommended drill bit size are laser etched on each tap
  • Taps produce a class 2B thread
  • Carded
WARNING: Cancer and Reproductive Harm -


MFR: 1788674
SKU: 42694864
UPC: 038548993737
Brand: Irwin