Kennametal 6817941 SNMG644RP Carbide Turning Insert 3/4 Ic

Product Description

The KENNAMETAL 6817941 is a SNMG644RP carbide turning insert designed for high-performance metal removal in demanding machining applications. Coated with AlTiN via a PVD process, the KCS10B grade delivers high wear resistance with balanced toughness across steel, stainless steel, and cast iron workpiece materials. The insert features a 90-degree square shape with a neutral hand orientation, a 3/4-inch inscribed circle, and a 1/16-inch corner radius. The RP chip breaker geometry is optimized for roughing and medium machining operations. Eight available cutting edges make this a cost-efficient option for production turning environments. Licensed machinists and CNC operators working with ferrous and non-ferrous materials will find this insert well-suited to general-purpose turning, facing, and boring tasks.

This insert is built for turning, facing, and boring operations on stainless steel, superalloys, titanium, steel, and cast iron. It belongs to the KENLOC series and conforms to both ANSI insert code SNMG644 and ISO insert code SNMG190616. The RP chip breaker geometry performs consistently through variable chip loads typical of roughing passes and transitional medium-cut finishing. The negative rake and negative side clearance geometry increase edge strength, making this insert appropriate for interrupted cuts and harder workpiece conditions. It is compatible with standard SNMG-style toolholders that use clamp or pin insert retention.

Key Features

• AlTiN PVD coating on KCS10B carbide grade for high wear resistance across steel, stainless steel, and cast iron
• RP chip breaker optimized for roughing and medium machining operations
• 8 cutting edges per insert maximizes tool life value per unit
• Negative rake angle with chamfered and honed cutting edge for improved edge strength
• Neutral hand orientation supports use in both right- and left-hand toolholders
• Conforms to ANSI and ISO standards for consistent fit across compatible tooling systems

Compatibility

Designed for use in SNMG-style toolholders that accept clamp or pin insert retention. Compatible with applications involving steel (P), stainless steel (M), cast iron (K), non-ferrous materials (N), superalloys and titanium (S), and hardened materials (H) workpiece material groups per ISO classification.

Installation Notes

Installation is performed by qualified machinists or CNC tooling technicians. Power down and lock out the machine spindle before seating or replacing the insert. Ensure the toolholder pocket and insert seating surfaces are clean and free of debris before clamping. Follow the toolholder manufacturer torque and clamping procedures for SNMG-style inserts. Verify insert orientation and chip breaker direction before returning the machine to operation.