Sandvik Coromant 6427479 Cutoff Insert 3mm Corocut Qd

Product Description

The SANDVIK COROMANT 6427479 is a solid carbide cutoff insert designed for parting and grooving operations on CNC lathes and turning centers. It belongs to the CoroCut QD series and is manufactured to grade 1125 with a TiCrAlN and TiAlN PVD coating applied for extended wear resistance and thermal stability at the cutting edge. The insert features a 3.00 mm cutting width, a 5-degree right-hand lead angle, a 7-degree relief angle, and a 0.10 mm corner radius. The CO chipbreaker geometry is suited for controlled chip evacuation during cutoff work in steel and similar materials. Clamping is the specified insert holding method. This insert is intended for use by machinists and CNC operators in production turning environments.

This insert fits QD-style insert seats in CoroCut QD toolholders configured for right-hand cutoff and grooving. The G insert seat size designation determines toolholder compatibility. Typical applications include bar stock parting, shallow grooving, and face grooving on production lathes. The 3.00 mm cutting width is suited for moderate-width parting cuts where chip control and insert stability are priorities. The manufacturer catalog number for this insert is QD-RG-0300-0501-CO 1125. Each package contains one insert and the minimum order quantity is 10 pieces.

Key Features

• Solid carbide construction, grade 1125, for consistent hardness and edge integrity
• PVD-applied TiCrAlN and TiAlN dual coating for wear and heat resistance
• 3.00 mm cutting width with CO chipbreaker for controlled chip formation
• 5-degree right-hand lead angle and 7-degree relief angle for clean parting cuts
• G-seat clamp-style retention for secure fit in compatible QD toolholders
• 0.10 mm corner radius minimizes stress concentration at the cutting edge

Compatibility

Designed for use in CoroCut QD series toolholders with a G insert seat size, right-hand configuration. Confirm toolholder insert seat designation before ordering to verify fitment.

Installation Notes

Insert replacement and seating should be performed by a qualified machinist or CNC setup technician with the machine powered down and spindle locked. Inspect the insert pocket and clamping surfaces for wear or debris before seating the new insert. Use the appropriate torque driver per the toolholder manufacturer specifications for the clamp screw. Do not force or strike the insert into the pocket.