Sandvik Coromant 5734427 Grooving Cutoff Toolholder Left Hand

Product Description

The SANDVIK COROMANT 5734427 is a left-hand indexable grooving and cutoff toolholder from the T-Max Q-Cut series, catalog number L151.20-12-30A. It accepts N151.2-300-5E inserts held in place by a clamp-style insert holding method, providing repeatable positioning on CNC and manual lathes. The toolholder handles a groove width range of 3.00 to 4.15 mm and a maximum depth of cut of 22.5 mm (0.886 inches). The square shank measures 0.75 inches by 0.75 inches, and the overall length is 4.5 inches. This toolholder is intended for external grooving and cutoff operations and is installed by qualified machining professionals in production and job-shop environments.

The L151.20-12-30A style toolholder is suited for external grooving and parting-off operations on lathes where left-hand orientation is required. It fits standard 0.75-inch square shank tool blocks and turrets common in CNC turning centers and conventional engine lathes. The T-Max Q-Cut series is designed for productive grooving, cutoff, and turning applications across a range of workpiece materials. The insert seat size is 30.0, and coolant-through capability is not present on this holder.

Key Features

• Left-hand holder orientation for correct approach geometry on compatible lathes
• Groove width range: 3.00 to 4.15 mm (0.118 to 0.164 inches)
• Maximum depth of cut: 22.5 mm (0.886 inches)
• Clamp-style insert holding for secure, repeatable N151.2-300-5E insert seating
• Square shank: 0.75 inches x 0.75 inches for standard tool block compatibility
• Overall length of 4.5 inches suits typical lathe turret clearance requirements

Compatibility

Designed for use with N151.2-300-5E indexable inserts, insert seat size 30.0, within the SANDVIK COROMANT T-Max Q-Cut toolholder series, style R/L151.20. Intended for external grooving and cutoff applications on lathes accepting a 0.75-inch square shank toolholder.

Installation Notes

Installation is performed by a qualified machinist or CNC setup technician. Power down and lock out the machine before mounting or removing the toolholder or changing inserts. Secure the shank fully in the tool block or turret to the depth specified by the machine manufacturer, and verify clamp torque per the machine tool manual. Do not exceed the rated maximum depth of cut for the insert grade and workpiece material combination in use.