Tool-flo 644331G VPGR331 C25 Carbide Profiling Insert

Product Description

The TOOL-FLO 644331G is a VPGR-series carbide profiling insert designed for precision profiling and turning operations on non-ferrous metal workpieces. Grade C25 uncoated carbide construction provides consistent edge integrity across light finishing and contour passes. The insert features a diamond shape with a 35-degree included angle, a positive rake geometry, and an 8-degree relief angle. At 0.3750 inches inscribed circle and 0.1880 inches thick, this is a compact insert sized for fine-detail work. Two cutting edges extend usable tool life. Installation is by clamp-style holding, and the right-hand designation confirms directional orientation at setup.

This insert is suited for CNC lathes and manual turning centers running non-ferrous metals such as aluminum, brass, and copper alloys. The VPGR geometry with a 0.0150-inch corner radius supports profiling passes where tight contour accuracy is required. It fits VPGR-style toolholders configured for right-hand operation. Machinists and CNC operators in production and job-shop environments will find this insert appropriate for contour turning, facing, and finish profiling where a sharp, positive-rake edge is needed.

Key Features

• Diamond-shape insert with 35-degree included angle for profiling and turning
• C25 uncoated carbide grade optimized for non-ferrous metal cutting
• Positive rake geometry reduces cutting forces on softer workpiece materials
• 0.0150-inch corner radius supports accurate contour reproduction
• Two cutting edges for extended usable insert life
• Clamp-style mounting provides secure, repeatable seating in compatible toolholders

Compatibility

Designed for use in VPGR-series right-hand clamp-style toolholders accepting a 3/8-inch inscribed circle, size 331 insert. Confirm toolholder pocket geometry before installation.

Installation Notes

Insert replacement should be performed by a qualified machinist or CNC tooling technician with the machine powered down and in a lockout-tagout state. Verify clamp torque per the toolholder manufacturer's specification sheet. Inspect the pocket seat and clamp for wear or debris before seating the new insert. Never run the insert without confirming it is fully seated and the clamp is properly engaged.