Brush Research Mfg. BC138170200CD Flexible Cylinder Hone

Product Description

The BRUSH RESEARCH MFG. BC138170200CD is a flexible cylinder hone designed for precision bore finishing in tight or irregular cylinder walls. It uses diamond abrasive at 200 grit, rated as extra fine grade, to deliver consistent surface conditioning on hard materials including carbide, ceramic, and hardened tool steel. The overall length is 8 inches with a 3-inch abrasive length and a shank diameter of 0.245 inches. Maximum bore diameter is 1.375 inches. This tool is installed and operated by machinists, engine rebuilders, and maintenance technicians working on small-bore cylinder applications.

This hone is suited for finishing operations in small cylinders found in pneumatic tools, hydraulic components, fuel system parts, and precision mechanical assemblies. It is particularly effective where conventional rigid honing tools cannot conform to bore irregularities. The flexible abrasive ball design allows the hone to self-center and follow the bore geometry. Applications include carbide dies, ceramic cylinders, and hardened steel bores requiring a fine surface finish.

Key Features

• Diamond abrasive material rated extra fine at 200 grit for precision surface finishing
• Maximum bore diameter of 1.375 inches (35.00 mm) for small-bore applications
• 3-inch abrasive length provides consistent contact across the bore surface
• 8-inch overall length with 0.245-inch shank diameter for standard drill chuck compatibility
• Rated for use on carbide, ceramic, and hardened tool steel
• Maximum operating speed of 1,000 RPM

Compatibility

Designed for use on carbide, ceramic, and hardened tool steel bores up to 1.375 inches in diameter. Suitable for small-bore cylinder honing applications where a flexible, self-centering abrasive tool is required.

Installation Notes

This hone is operated by machinists and precision maintenance technicians using a standard drill press or portable drill with a chuck accepting a 0.245-inch shank. Do not exceed the rated maximum speed of 1,000 RPM during operation. Use an appropriate cutting fluid or honing oil to extend abrasive life and improve surface finish quality. Secure the workpiece firmly before operation to prevent movement during honing.