Thread Milling Cutters - Thread Relief Cutter

Thread Relief Cutters are designed to relieve stress concentrations at the corners of undercuts, and at the bottom of the last thread, to prevent fracture and failure. This tool is typically used before a threading operation to avoid damaging the thread form.

• Tool designed to relieve stress concentrations at corners of undercut and bottom of last thread to prevent fracture and failure
• Chamfer eliminates burrs and partial threads at last thread
• Flattens bottom of hole to achieve maximum thread depth
• 4 flutes
• Center cutting
• Solid carbide
• CNC ground in the USA   

Undercutting

Threading

Chamfering