Brush Research FLEX-HONE® Ball Hone, 4-1/8″

The Brush Research Manufacturing FLEX-HONE® is a precision-engineered tool designed to deliver a superior plateau finish for cylinder walls and other metal surfaces. Originally developed for automotive cylinder deglazing, this versatile tool has become an industry standard for achieving smooth, durable finishes in mild steel, stainless steel, cast iron, and softer ferrous materials.

Available in 240 grit silicon carbide, the FLEX-HONE® is oversized for optimal pressure, ensuring self-centering, self-aligning, and self-compensating performance. Ideal for rebuilding hydraulic and pneumatic systems, engine cylinders, pumps, and compressors, it efficiently removes burrs and creates a professional crosshatch pattern in a single pass. Backed by American craftsmanship, this tool is trusted for its quality and consistency in demanding applications.