Onsrud 66-936ALTIN Diamond Pattern Router Bit Solid Carbide

Product Description

The ONSRUD 66-936ALTIN is a solid carbide diamond pattern router bit designed for precision cutting in composite materials on CNC machines. The bit features a 0.5 inch cutter diameter, a 1.125 inch length of cut, and an AlTiN coating that improves heat resistance and extends tool life in demanding routing applications. With a drill point end type and right-hand cutting direction, it enters material cleanly without a pre-drilled pilot hole. Overall length is 3 inches, and the 0.5 inch shank diameter suits standard CNC collets. This bit is installed and operated by CNC machinists and composite fabricators working in production or job-shop environments.

The 66-936ALTIN is engineered for use in composite material applications including carbon fiber, fiberglass, and similar reinforced laminates. The diamond pattern geometry helps manage chip evacuation and reduces delamination at the cut edge. It is suited for CNC routing operations where consistent edge quality and tool longevity are priorities. The drill point tip allows plunge entry directly into the workpiece, making it practical for pocketing and profile operations without repositioning.

Key Features

• Solid carbide construction for rigidity and wear resistance in abrasive composite materials
• AlTiN coating provides elevated heat resistance and extended tool life
• Drill point end type enables direct plunge entry without a pilot hole
• Diamond pattern geometry aids chip evacuation and edge quality in laminates
• Right-hand cutting direction compatible with standard CNC spindle rotation
• 1.875 inch shank length provides secure collet engagement on CNC setups

Compatibility

Designed for use with CNC machines accepting a 0.5 inch shank collet. Intended for composite material applications per the manufacturer specification for the 66-900 series.

Installation Notes

Installation is performed by CNC machinists or tooling technicians. Power down and de-energize the CNC spindle completely before changing tooling. Seat the shank fully and evenly in the collet to the manufacturer-recommended engagement depth before tightening. Inspect the bit for carbide chipping or coating wear before each use, as damaged tooling can cause workpiece delamination and unpredictable tool behavior.