Sumitomo 1GRB001 Cutoff Insert AC830P Carbide 0.1181in

Product Description

The SUMITOMO 1GRB001 is a WCF-series cutoff insert designed for precision parting, grooving, and chamfering operations on CNC lathes and turning centers. Manufactured from solid carbide with an AC830P CVD coating, this insert delivers consistent performance when machining stainless steel and carbon steel workpieces. The cutting width measures 0.1181 inches with a neutral lead angle and a corner radius of 1/128 inch. The clamp-style holding method provides secure seating in compatible WCF toolholders, reducing vibration and improving surface finish on tight-tolerance cutoff applications. Sold individually, with a minimum order quantity of 10 units.

This insert is suited for industrial turning operations where consistent cutoff width and edge stability are required across stainless steel and steel stock. The AC830P grade with CVD coating is well matched to ISO material codes M and P, covering austenitic stainless and general carbon or alloy steels. Typical applications include production turning environments where repeatable groove geometry and reliable chip control are critical. The WCF series design supports multi-use deployment across chamfering, cut-off, and grooving operations, reducing tooling inventory requirements on mixed-work lathes.

Key Features

• Solid carbide construction with AC830P CVD coating for extended tool life on steel and stainless steel
• 0.1181-inch cutting width with neutral lead angle for straight, burr-minimized parting cuts
• Corner radius of 1/128 inch reduces stress concentration at groove base
• Clamp-style insert holding method ensures rigid, repeatable seating in WCF toolholders
• Multi-use geometry supports chamfering, cut-off, and grooving from a single insert style
• Material grades C5, C5A, and C6 cover a broad range of steel and stainless steel turning applications

Compatibility

Designed for use in WCF-series clamp-style toolholders compatible with insert size code 3. Suitable for ISO workpiece material codes M (stainless steel) and P (carbon and alloy steel).

Installation Notes

Insert seating and clamping should be performed by a qualified machinist following the toolholder manufacturer's torque and clamping procedure. Power down and lock out the machine spindle before changing inserts. Inspect the insert pocket and clamping screw for wear or damage before seating a new insert. Do not use inserts that show chipping, delamination of the coating, or dimensional irregularities.