Onsrud 66-915ALTIN Diamond Pattern Router Bit Altin

Product Description

The ONSRUD 66-915ALTIN is a solid carbide diamond pattern router bit designed for high-performance cutting on composite materials. It features a 0.25 inch cutter diameter, a 1.5 inch length of cut, and an AlTiN (aluminum titanium nitride) coating that improves heat resistance and extends tool life in demanding CNC routing applications. With a 3.5 inch overall length and a 2 inch shank length, this bit provides the reach and rigidity needed for consistent results. Right-hand cutting geometry and an end mill configuration make it well suited for finish passes and profiling operations on composite workpieces.

This router bit is intended for use in CNC machine applications targeting composite materials such as fiberglass, carbon fiber laminates, and similar reinforced panels. The diamond pattern flute geometry helps manage chip evacuation and reduce heat buildup during extended production runs. It is a practical choice for shops and field technicians running CNC routers in fabrication, sign making, aerospace component work, or composite panel processing where tool longevity and cut quality are critical.

Key Features

• Solid carbide construction for rigidity and wear resistance in composite cutting
• AlTiN coating improves thermal resistance and extends tool life at higher feed rates
• Diamond pattern flute geometry aids chip evacuation and reduces heat in the cut zone
• Right-hand cutting direction compatible with standard CNC router spindle configurations
• End mill end type supports profiling, slotting, and finish-cut applications
• 2 inch shank length provides secure clamping depth in standard collet chucks

Compatibility

Designed for use in CNC machines with a 1/4 inch collet or compatible toolholder. Part of the ONSRUD 66-900 series of diamond pattern router bits for composite material applications.

Installation Notes

Installation and tool changes should be performed by a qualified CNC machinist or tooling technician with the spindle fully powered down and locked out per the machine manufacturer's lockout/tagout procedure. Ensure the collet and toolholder are clean and free of debris before seating the shank. Do not exceed the tool manufacturer's recommended RPM range for the cutter diameter. Secure the shank to the full 2 inch depth where fixture clearance allows to maximize rigidity and minimize runout.