Sandvik Coromant 5721441 Boring Bar Holder CAT40

Product Description

The SANDVIK COROMANT 5721441 is a boring bar holder designed for use with CAT40 spindle connections in precision machining operations. It accepts boring bars with a 1/2 inch bore diameter and provides a bore depth of 66.55 mm, making it suitable for reaching into deeper features during internal boring. The body diameter measures 22.60 mm. An internal coolant delivery system channels cutting fluid directly to the cutting zone, helping to manage heat and chip evacuation in demanding materials. This holder is installed and serviced by machining technicians and CNC setup personnel in job shop and production environments.

This boring bar holder is appropriate for use on CNC machining centers equipped with CAT40 taper spindles. It suits applications in both light and moderate-duty internal boring where precise diameter control and thermal management are priorities. The internal coolant feature makes it well suited for deep-bore or interrupted-cut scenarios where external coolant application is insufficient. Compatible lock screw part numbers 5514 022-05 and coolant screw part number 3214 010-253 are referenced in the manufacturer specifications. The manufacturer also cross-references this holder to part number AA3B20-40 13 067.

Key Features

• CAT40 spindle connection for compatibility with standard machining center tapers
• 1/2 inch bore diameter accepts standard-shank boring bars
• 66.55 mm bore depth for reach into deeper internal features
• Internal coolant delivery routes fluid directly to the cutting zone
• 22.60 mm body diameter for clearance in confined bore entries
• No-head body style for straightforward installation and setup

Compatibility

Compatible lock screws: 5514 022-05. Compatible coolant screw: 3214 010-253. Cross-referenced to manufacturer part number AA3B20-40 13 067. Designed for use on CAT40-taper machining centers accepting 1/2 inch shank boring bars.

Installation Notes

Installation should be performed by a qualified machining technician or CNC setup specialist. Power down and lock out the spindle drive before inserting or removing the holder from the machine spindle. Use the specified lock screws (5514 022-05) when securing the boring bar shank; do not substitute with non-specified hardware. Verify internal coolant passages are clear and that the machine coolant system is properly connected before initiating a cutting cycle.