Accupro Acc -T290750 Threading Tool Internal Solid Carbide

Product Description

The ACCUPRO ACC -T290750 is a single point threading tool designed for internal thread cutting on CNC lathes and turning centers. Built from solid carbide, it handles a thread range of 12 to 40 TPI with a minimum threading diameter of 0.29 inches and a cutting depth of 0.75 inches. The 60-degree profile angle makes it suited for standard unified and metric thread forms. At 0.125 pounds, it is a compact, single-insert-style tool used by machinists and toolroom technicians in precision threading applications where dimensional accuracy and tool rigidity are critical.

This tool is intended for internal threading operations in bore diameters starting at 0.29 inches. The 5/16-inch shank diameter and 2.5-inch overall length make it compatible with standard lathe and turning center toolholders used in job shop and production environments. The bright/uncoated finish means no added coating thickness to account for, which is useful when holding tight tolerance on bore diameters. It is appropriate for threading steel, aluminum, and similar machinable materials where a solid carbide substrate provides the required stiffness and wear resistance.

Key Features

• Solid carbide construction for rigidity and wear resistance in internal threading
• 12 to 40 TPI range covers a wide variety of standard thread pitches
• 0.75 inches cutting depth for threading deeper bores
• 60-degree profile angle compatible with unified and standard metric thread forms
• Bright/uncoated finish maintains dimensional consistency without coating buildup
• 0.07 inches projection from edge for clearance in tight bore applications

Compatibility

Designed as an OEM-style single point threading tool for use in standard 5/16-inch bore toolholders on CNC lathes and manual turning centers performing internal thread cutting operations.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician familiar with lathe toolsetting procedures. Ensure the machine spindle is fully stopped and locked out before mounting or removing the tool. Verify shank seating depth and tool centerline height against the workpiece centerline before beginning any threading pass. Do not exceed the tool's rated TPI range or minimum bore diameter to avoid tool deflection or breakage.