Seco 00005684 Turning Insert PCD20 CCMW21.51F-L1

Product Description

The SECO 00005684 is a polycrystalline diamond (PCD) turning insert designed for high-speed machining of non-ferrous metals and other difficult-to-cut materials. It carries the CCMW insert style with a flat-top chip breaker, an 80-degree diamond shape, and a positive rake geometry. The inscribed circle measures 0.25 inches (6.35 mm), the corner radius is 0.0157 inches (1/64 inch), and the insert thickness is 0.0937 inches (3/32 inch). The PCD20 grade delivers the hardness and wear resistance needed for aluminum, copper, composites, and similar non-ferrous workpieces. The uncoated, bright finish preserves the sharp cutting edge geometry straight from the package. This insert is held in place by screw clamping and is single-tipped with one cutting edge per insert.

This insert is suited for CNC turning centers and manual lathes running non-ferrous metal stock. Typical applications include boring, facing, and turning operations where tight tolerances and fine surface finishes are required. The neutral hand orientation makes it compatible with standard CCMW-style toolholders used in production and job-shop environments. The positive rake angle reduces cutting forces, which helps protect workpiece integrity on thin-walled or delicate non-ferrous parts. Material grades N10, N15, and N20 define the recommended workpiece material range for this insert.

Key Features

• Polycrystalline diamond (PCD) insert grade PCD20 for non-ferrous metal cutting
• 80-degree diamond insert shape with positive rake and sharp cutting edge
• Flat-top chip breaker, CCMW series, neutral hand orientation
• Screw-held clamping method for secure, repeatable seating in the toolholder
• Suitable for boring, facing, and turning in a single insert
• Uncoated bright finish maintains as-ground edge sharpness
• Conforms to ANSI and ISO standards; ISO code CCMW060204F-L1

Compatibility

Designed for use in CCMW-style screw-clamp toolholders accepting a 1/4-inch inscribed circle insert. Intended for machining non-ferrous metals (material codes N10, N15, N20) including aluminum and copper alloys. Maximum depth of cut is 0.0591 inches.

Installation Notes

Installation is performed by machining professionals familiar with indexable insert toolholders. Power down and lock out the machine before seating or indexing the insert. Use the correct torque driver for the clamping screw to avoid over-tightening, which can crack PCD inserts. Confirm the toolholder pocket and seating surface are clean and free of chips before installing.