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If you are shopping from an EU Country and do not have a VAT/EORI number unfortunately we will not be able to supply due to new EU VAT protocols. You will be still able to purchase through our Ebay store.
Roughing taps are also referred to as taper, or 1st lead.
It has up to 8 tapered threads that give a gradual cutting action, preparing a tapped hole that is marginally undersize in diameter prior to the use of the Finishing or Bottoming tap.
This provides a longer cutting life of the Finishing and Bottoming tap.
Recommended for use with large diameter sizes, coarse pitch threads or tough materials.