Guhring 9041290095250 Thread Mill 3/8-24 Internal Ticn

Product Description

The GUHRING 9041290095250 is a solid carbide helical flute thread mill designed for cutting internal UNF threads in a single helical pass. It produces 3/8-24 UNF internal threads using three right-hand flutes and a TiCN coating that extends cutting edge life across ferrous and non-ferrous workpiece materials. The cutter measures 0.3090 inches in cutting diameter with a 0.8110-inch length of cut and mounts on a 0.3130-inch shank. It belongs to GUHRING Series 4129 and is intended for CNC machining centers where helical interpolation is used to generate thread profiles without a dedicated tapping cycle.

This thread mill is suited for precision machining applications in aerospace, automotive, hydraulic, and general industrial environments where UNF internal threads are required. Helical flute thread mills of this type are commonly used on CNC vertical and horizontal machining centers running rigid helical interpolation routines. The 2.5-inch overall length provides sufficient reach for standard threaded hole depths while maintaining tool rigidity at this shank diameter. No coolant-through capability is present, so external or flood coolant delivery is the appropriate setup for this tool.

Key Features

• Cuts 3/8-24 UNF internal threads at 24 teeth per inch
• Solid carbide construction for dimensional stability and wear resistance
• TiCN coating reduces friction and improves tool life on hardened and abrasive materials
• Three right-hand helical flutes for efficient chip evacuation during interpolation
• 0.3090-inch cutting diameter with 0.8110-inch length of cut suits standard thread depths
• No coolant-through design — compatible with external or flood coolant delivery

Compatibility

Designed for use on CNC machining centers capable of helical interpolation for cutting internal UNF 3/8-24 threads. No specific machine model or workholding compatibility data was provided in the product input.

Installation Notes

This tool is installed and operated by CNC machinists and tooling technicians. Secure the shank in a precision collet or shrink-fit holder sized for a 0.3130-inch shank before running. Verify the CNC program uses a correct helical interpolation routine and nominal thread diameter before cutting. Power down and lock out the spindle before performing any tool changes or manual inspection of the cutting edges.