Sandvik Coromant 5729358 Capto Weldon Shank Adapter

Product Description

The SANDVIK COROMANT 5729358 is a Capto to Weldon straight shank adapter designed to connect a C8 outside modular Capto connection to a Weldon-style straight shank toolholder. It provides a 80 mm projection and features a 1-1/4 inch hole diameter with a 54.3 mm nose diameter. Through-coolant capability allows cutting fluid to be delivered directly to the cutting zone, reducing heat buildup and improving tool life in demanding machining operations. This adapter is used by CNC machinists and toolroom technicians working with modular tooling systems on machining centers and turning centers.

This adapter is suited for production machining environments where Capto modular interfaces are already in use and a Weldon straight shank interface is required for a specific tooling setup. The C8 outside modular connection makes it appropriate for larger-spindle machining centers handling heavy-duty milling, drilling, or boring operations. The through-coolant design supports high-speed and high-feed strategies where internal coolant delivery is critical to process reliability.

Key Features

• C8 outside modular Capto connection for secure, repeatable tooling interface
• 1-1/4 inch hole diameter accommodates standard Weldon shank tooling
• 80 mm projection for reach into deep-pocket or obstructed workpiece features
• 54.3 mm nose diameter provides stable, rigid support at the spindle interface
• Through-coolant capability for direct coolant delivery to the cutting zone
• 128 mm overall length for dimensional planning during tool assembly

Compatibility

Designed as an OEM-style adapter for use with C8 Capto modular tooling systems requiring a Weldon straight shank interface. Specific machine and toolholder compatibility should be verified against the spindle interface and toolholder specifications prior to installation.

Installation Notes

Installation should be performed by a qualified CNC machinist or toolroom technician familiar with modular tooling systems. Power down and lock out the machine spindle before mounting or removing any toolholder adapter. Verify that the Capto interface is clean and free of debris before seating the connection, as contamination affects clamping accuracy and repeatability. Confirm coolant port alignment when through-coolant function is required for the application.