Sumitomo 16DTAER BNC200 Pcbn Turning Insert Diamond

Product Description

The SUMITOMO 16DTAER is a Polycrystalline Cubic Boron Nitride (PCBN) turning insert in an 80-degree diamond shape, manufactured to the 2NC-CCGA insert style with a BNC200 grade. It features a Titanium Nitride (TiN) finish applied via PVD coating process and carries a positive rake geometry. The inscribed circle measures 3/8 inches (0.3750 inches), insert thickness is 5/32 inches (0.1563 inches), and the corner radius is 1/64 inches (0.0156 inches). Designed for screw-held toolholders, this insert targets high-hardness workpiece materials where CBN cutting edges outperform carbide. Two cutting edges are available per insert.

This insert is suited for hard turning applications in ferrous and hardened materials, consistent with the H-class secondary workpiece material designation. Typical use cases include finish and semi-finish turning of hardened steel, cast iron, and similarly hard alloys on CNC lathes and turning centers. The 2NC-CCGA style and CCGW09T304 ISO code make it compatible with standard negative-geometry, diamond-profile insert pockets designed for screw clamping. It meets ANSI and ISO 13399 standards, making it appropriate for shops that require standardized tooling documentation and digital integration.

Key Features

• PCBN cutting material engineered for high-hardness workpiece materials
• BNC200 manufacturer grade with PVD-applied Titanium Nitride (TiN) coating
• 80-degree diamond insert shape (Shape Code C) with positive rake geometry
• 3/8 inch inscribed circle with 1/64 inch corner radius for precision finishing
• Screw-hold mounting method with 0.1732 inch hole diameter
• Compliant with ANSI and ISO 13399 standards

Compatibility

Designed for use in screw-clamp toolholders accepting a 2NC-CCGA diamond insert style with an 80-degree included angle and 3/8 inch inscribed circle, conforming to ISO code 2NC-CCGW09T304.

Installation Notes

Installation is performed by qualified machinists or CNC tooling technicians. Power down and lock out the machine before seating or replacing inserts. Use the correct torque driver for the clamping screw to avoid cracking the PCBN substrate — do not overtighten by hand or with standard screwdrivers. Verify pocket and screw condition before installation, as worn pockets can cause insert movement and premature edge failure.