Sandvik Coromant 5741126 Grooving Cutoff Toolholder RF123G079-20B

Product Description

The SANDVIK COROMANT 5741126 is an indexable grooving and cutoff toolholder in the CoroCut 1-2 series, designed for external grooving, parting, and cut-off operations on CNC lathes and turning centers. The toolholder accepts N123G2-0300-CM inserts and uses a clamp-style insert holding method for rigid, repeatable edge location. It handles groove widths from 3 to 4 mm and reaches a maximum depth of cut of 20.07 mm (0.79 inches). The shank is 1-1/4 x 1-1/4 inches (31.75 x 31.75 mm) and the overall length is 152.40 mm (5.99 inches). Machinists and CNC operators working in production turning environments install this toolholder where consistent groove geometry and secure insert clamping are required.

This toolholder is configured for right-hand cutting in external applications, making it suited for standard OD grooving and parting operations on turning centers. The RF123..B style head interfaces directly with CoroCut 1-2 series inserts. It is appropriate for production and job-shop environments handling a range of workpiece materials where repeatable groove width control between 3 mm and 4 mm is required. The maximum overhang is 1.614 inches, and the head height and head length are each 31.75 mm (1.25 inches), keeping the setup compact and rigid at the tool post.

Key Features

• External right-hand configuration for OD grooving, parting, and cut-off operations
• Accepts N123G2-0300-CM inserts with clamp-style insert holding for secure edge location
• Groove width range of 3 to 4 mm (0.1181 to 0.157 inches) for precise groove geometry
• Maximum depth of cut of 20.07 mm (0.79 inches)
• 1-1/4 x 1-1/4 inch square shank (31.75 x 31.75 mm) fits standard turning center tool posts
• Part of the CoroCut 1-2 series with RF123..B toolholder style for broad insert availability

Compatibility

Compatible with N123G2-0300-CM inserts. Designed as an OEM-style toolholder in the SANDVIK COROMANT CoroCut 1-2 series, catalog number RF123G079-20B, for use in external grooving and parting setups on CNC turning centers with a 1-1/4 inch square shank tool post.

Installation Notes

Installation is performed by qualified machinists or CNC tool-room technicians. Ensure the machine spindle is fully stopped and the machine is in a safe locked-out state before mounting or changing toolholders. Seat the shank fully in the tool post and verify torque on all clamping bolts per the machine tool manufacturer's specifications. Confirm insert seating and clamp engagement before resuming cutting operations.