Sandvik Coromant 5742210 Grooving Cutoff Toolholder

Product Description

The SANDVIK COROMANT 5742210 is an indexable grooving and cutoff toolholder designed for external turning operations on CNC lathes and turning centers. It accepts N151.2-300-5E inserts secured by a clamp-style holding method, supporting a groove width range of 3.00 to 4.15 mm (0.118 to 0.165 inches) and a maximum depth of cut of 17.5 mm (0.689 inches). The toolholder carries the manufacturer catalog designation R151.20-10-30 and belongs to the T-Max Q-Cut series. It features a right-hand orientation and a 5/8 x 5/8 inch shank, making it a standard choice for machinists and toolroom technicians working precision grooving applications.

This toolholder is suited for external grooving, parting, and cutoff operations in production and job-shop environments. It installs in lathes and turning centers with tool block or turret systems that accept a 5/8 inch square shank. The T-Max Q-Cut series is widely used in applications demanding consistent insert indexing, reliable clamping, and repeatable groove geometry across medium to high-volume production runs.

Key Features

• Accepts N151.2-300-5E inserts with clamp-style insert retention for secure, repeatable positioning
• Groove width range: 3.00 to 4.15 mm (0.118 to 0.165 inches)
• Maximum depth of cut: 17.5 mm (0.689 inches)
• Right-hand orientation for standard external turning setups
• 5/8 x 5/8 inch square shank fits common lathe turret and tool block systems
• Part of the T-Max Q-Cut series for consistent performance in grooving and parting operations

Compatibility

Designed for use with N151.2-300-5E inserts. Toolholder style is R/L151.20 with an insert seat size of 30.0. Compatible with lathe turret and tool block systems accepting a 5/8 inch square shank. No coolant-through capability on this toolholder.

Installation Notes

Installation is typically performed by a machinist or toolroom technician. The machine spindle must be fully stopped and the turret locked before mounting or adjusting the toolholder. Ensure the shank seating surfaces are clean and free of chips before torquing the clamping screws. Follow the machine tool manufacturer guidelines for tool block clamping procedures and do not exceed the recommended overhang for the shank dimensions.