Sandvik Coromant 5740816 Grooving Cutoff Toolholder

Product Description

The SANDVIK COROMANT 5740816 is a right-hand indexable grooving and cutoff toolholder in the CoroCut 1-2 series, designated by manufacturer catalog number RF123E032-12B. It accepts N123E2-0200-CM inserts held in place by a clamp-style insert holding method. The toolholder handles groove widths from 1.85 mm to 2.39 mm with a maximum depth of cut of 8.13 mm (0.32 inches). The shank measures 0.75 x 0.75 inches (19.05 x 19.05 mm) with a shank length of 3.496 inches (88.80 mm) and an overall length of 4.5 inches (114.30 mm). This toolholder is intended for external cut-off, grooving, and parting operations on CNC lathes and turning centers.

This toolholder is suited for external grooving, parting, and cutoff operations on turning centers and manual lathes in production and job-shop environments. The RF123..B style body fits standard tool blocks and quick-change turrets that accept a 0.75-inch square shank. It is used by machinists and CNC lathe operators performing precision groove work where controlled depth and consistent width are required. Coolant-through capability is not included on this holder. The maximum overhang is 1.004 inches, which governs reach in close-clearance setups.

Key Features

• Groove width range of 1.85 mm to 2.39 mm for precise external grooving and cutoff
• Maximum depth of cut of 8.13 mm (0.32 inches) for controlled parting operations
• Clamp-style insert retention for secure, repeatable insert indexing
• Compatible with N123E2-0200-CM inserts using the N123E2 insert size code
• 0.75 x 0.75 inch square shank fits standard lathe tool blocks and turrets
• Overall length of 4.5 inches (114.30 mm) with a maximum overhang of 1.004 inches

Compatibility

Designed for use with N123E2-0200-CM inserts (insert size code N123E2) in the CoroCut 1-2 series. Fits tool blocks and quick-change turrets accepting a 3/4 x 3/4 inch square shank. Part of the RF123..B toolholder style family.

Installation Notes

Installation is performed by a qualified machinist or CNC setup technician. Power down and lock out the machine spindle before changing or indexing inserts. Ensure the shank is fully seated and clamped to the correct torque specification per the machine tool block manufacturer before operation. Verify insert seating and clamp integrity before resuming cuts.