Sandvik Coromant 5726358 Boring Grooving Bar Holder

Product Description

The SANDVIK COROMANT 5726358 is a boring and grooving bar holder designed for precision internal turning operations on CNC lathes and turning centers. It features a 6mm inside diameter bore, a 5/8 inch (0.625 inch) outside diameter shank, and an overall length of 2.165 inches. Part of the CoroTurn XS series, this holder is built for small-diameter internal machining where reach, rigidity, and coolant delivery are critical. Through-coolant capability routes cutting fluid directly to the cutting zone, improving chip evacuation and tool life. Machinists and CNC operators working on precision components rely on this holder for consistent performance in tight bore applications.

This bar holder is suited for small-bore internal grooving and turning applications in production and job-shop environments. The CoroTurn XS series targets workpieces requiring fine internal features, typically found in aerospace, medical, and precision automotive components. The 18.5mm head diameter and compact overall length make it well-suited for shallow-to-medium depth boring operations where clearance is limited. Through-coolant support makes it compatible with machines equipped with internal coolant delivery systems.

Key Features

• Through-coolant design routes fluid directly to the cutting edge for improved chip control and tool life
• 6mm inside diameter accommodates CoroTurn XS series small-bore tooling inserts
• 5/8 inch outside diameter shank fits standard boring bar holders and turrets accepting that size
• Overall length of 2.165 inches suits compact internal turning setups
• 18.5mm head diameter provides clearance management in tight-bore applications
• Part of the CoroTurn XS series, engineered for precision small-diameter internal machining

Compatibility

Designed as an OEM-style component within the SANDVIK COROMANT CoroTurn XS series for small-diameter boring and grooving applications. Specific insert and system compatibility should be confirmed against SANDVIK COROMANT CoroTurn XS series documentation.

Installation Notes

Installation is performed by qualified CNC machinists or toolroom technicians. Ensure the machine spindle is fully stopped and the turret is in a safe index position before mounting or removing bar holders. Verify that the machine coolant system pressure is compatible with through-coolant tooling before engaging the coolant circuit. Follow the machine tool manufacturer guidelines and applicable shop safety procedures when securing the holder in the turret.