Scientific Cutting Tools TM125-32HA Thread Mill 10-32

Product Description

The SCIENTIFIC CUTTING TOOLS TM125-32HA is a helical flute thread mill designed for cutting internal 10-32 UNF threads in a single helical pass. Built from submicron-grade solid carbide, the tool delivers rigidity and wear resistance needed for precision threading in hardened and abrasive workpiece materials. The TiAlN coating improves heat resistance and extends tool life in dry or semi-dry cutting conditions. With a 0.1250-inch cutting diameter, a 5/16-inch length of cut, and a 1/4-inch shank, this three-flute mill fits standard toolholders used on CNC machining centers. It is intended for use by machinists and tooling specialists working in production or job-shop environments.

This thread mill is suited for internal 10-32 UNF thread applications at 32 teeth per inch in materials including steel, aluminum, stainless, and similar machinable alloys. The right-hand flute direction and helical geometry allow the tool to be used with standard CNC canned thread-milling cycles. Its compact cutting diameter makes it appropriate for blind holes and through-holes in components where tap breakage risk is a concern and thread quality tolerances are tight.

Key Features

• Submicron-grade solid carbide construction for rigidity and wear resistance
• TiAlN coating for elevated heat resistance and extended tool life
• Three right-hand helical flutes for smooth chip evacuation
• 0.1250-inch cutting diameter sized for 10-32 UNF internal threads
• 5/16-inch length of cut accommodates typical blind and through-hole depths for this thread size
• No coolant-through design - compatible with external coolant or dry cutting setups

Compatibility

Designed for use in CNC machining centers capable of executing helical thread-milling cycles with a 1/4-inch shank toolholder; suitable for cutting 10-32 UNF internal threads at 32 TPI.

Installation Notes

Thread mills of this type are installed and run by machinists or CNC tooling technicians. Ensure the machine spindle and toolholder are free of runout before seating the shank, as runout directly affects thread quality and tool life. Program the tool path using a helical interpolation cycle consistent with the 10-32 UNF thread specification. Confirm all axis movements and feed rates in a dry run before cutting.