Onsrud 67-526 Abrasive Bur Cylinder Solid Carbide

Product Description

The ONSRUD 67-526 is a cylinder-profile abrasive bur designed for material removal and surface finishing in demanding composite machining applications. Built from solid carbide, this bur features a 0.5-inch cutter diameter and a matching 0.5-inch shank diameter with a flat end type. The solid carbide construction delivers the hardness and wear resistance required when working with abrasive substrates that quickly degrade lesser tooling. It is typically installed in rotary die grinders, CNC routers, or pneumatic handpieces by machinists, composite fabricators, and aerospace technicians who need consistent, controlled stock removal.

The 67-526 is engineered for use on carbon fiber panels and carbon graphite materials - substrates that demand a rigid, abrasion-resistant cutting geometry to avoid delamination and fiber pullout. The cylinder profile allows straight-wall cutting along edges and interior profiles, making it well suited for trimming, slotting, deburring, and surface blending operations on flat or low-curvature composite panels. Typical applications include aerospace and industrial fabrication environments where carbon fiber or graphite composite components require precision finishing.

Key Features

• Solid carbide construction provides superior hardness and extended tool life in abrasive composite materials
• Cylinder profile with flat end type enables straight-wall cutting, edge trimming, and slotting operations
• 0.5-inch cutter diameter and 0.5-inch shank diameter for compatibility with standard collet tooling
• Optimized for carbon fiber panels and carbon graphite - materials that rapidly wear conventional tooling

Compatibility

Designed for use on carbon fiber panels and carbon graphite workpieces. Compatible with rotary tooling setups accepting a 0.5-inch shank diameter.

Installation Notes

Installation is performed by machinists or composite fabrication technicians using standard collet-style rotary tool holders. Ensure the shank is fully seated and the collet nut is torqued per the tool holder manufacturer specifications before operation. Always wear appropriate respiratory protection and eye protection when machining carbon fiber or graphite, as fine particulate dust presents a health hazard. Verify spindle speed and feed rate against the ONSRUD application guidelines for the specific composite being machined.