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- Tool designed to create undercut and a bottom at the last thread
- 45 degree chamfer eliminates burrs and partial threads at last thread
- Corner has a radius to help eliminate stress on part
- Creates a flat to achieve maximum thread depth
- These tools have a 15 deg helix angle for excellent smooth cutting
- These tools are solid carbide and centercutting
- Entire shank is reduced allowing any extension needed
- Flat value includes the front nose radius
- Total flat is measured from the front of the tool to where the 45 deg angle intersects the reduced shank
