Accupro 776960 Collet Chuck 1 in CAT50 Tg PG100 Through Coolant

Product Description

The ACCUPRO 776960 is a single-angle collet chuck designed for precision toolholding in CNC machining centers. Built on a CAT50 taper shank, it accepts TG and PG100 series collets with a maximum capacity of 1 inch and a minimum of 3/64 inch. The chuck projects 3.5 inches from the spindle face and holds a Total Indicator Runout (TIR) of 0.0002 inches, making it suitable for finish milling, drilling, and reaming operations where concentricity matters. Through-coolant delivery is supported via both through-spindle and DIN flange coolant paths. The chuck is balanced to 15,000 RPM. At 7.92 pounds, it is a robust toolholder suited for heavy-duty production environments.

This collet chuck is used in production and job-shop CNC vertical and horizontal machining centers equipped with CAT50 spindles. It is appropriate for facilities running high-RPM operations that require reliable coolant delivery to the cutting zone. The single-angle collet design provides strong clamping force across the full collet capacity range, from small-diameter drills up to 1-inch shank tooling. Machinists and toolroom technicians performing setups on CAT50 machines will find this chuck a direct-fit toolholding solution without adapter modifications.

Key Features

• CAT50 taper shank for direct mounting in standard CAT50 spindles
• TG and PG100 collet series compatibility across a 3/64 inch to 1 inch capacity range
• 0.0002 inch TIR for high-precision concentricity in finishing and reaming applications
• Through-coolant ready with support for through-spindle and DIN flange coolant delivery
• Balanced to 15,000 RPM for stable high-speed operation
• 3.5 inch projection from spindle face for reach into deep workpiece features

Compatibility

Compatible with TG and PG100 series single-angle collets. Designed for use in CAT50 spindle toolholding applications on CNC machining centers.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician familiar with CAT50 toolholder assembly procedures. Ensure the spindle and drawbar are fully de-energized and the machine is in a safe, locked-out state before mounting or removing the chuck. Clean the taper bore and shank thoroughly before seating to prevent runout errors. Verify drawbar pull-force meets the machine manufacturer specification before initiating cuts.