FLEX-HONE 3.75 Inch (95mm) Diameter Honing Tool, 240 Grit Silicon Carbide For Mild Steel Stainless Steel Cast Iron And Softer Ferrous Materials, Oversized, Boss-Grade Design For A Smoother Cylinder Wall Finish

3.75 Inch Oversized Honing Tool for Cylinder Finishing
✔️ 240 Grit Silicon Carbide for 3.501 to 3.75 Inch Bores

This single honing tool creates a smooth plateau finish inside cylinders on ferrous metals like steel and cast iron.

✅ 3.750 inch bore diameter with 5 inch abrasive section
✅ Self centering design works in hand drills or CNC spindles
✅ Produces 24 to 32 microinch finish on mild steel
✅ 13.5 inch overall length with 0.310 inch shank
✅ Handles bore sizes from 3.501 to 3.75 inches

💡 What is a honing tool used for in cylinder maintenance? A honing tool refines the inner surface of cylinders to improve sealing and oil retention. - It removes glazing while leaving a crosshatch pattern that holds lubricant. - Users run it in engine blocks, hydraulic cylinders, and brake bores. - The oversized build applies even pressure without special setup. - Results include faster ring seating and longer seal life in ferrous materials.

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