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FLEX-HONE 3-3/4" diameter silicon carbide honing brush

Flex-Hone ★ 4.0/5 · ItemOracle Score Mid-Range

$60 USD
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Brush Research GB33418 FLEX-HONE, 3-3/4" (95mm) Diameter, 180 Grit, Silicon Carbide, For Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials

The FLEX-HONE abrasively crosshatches and conditionally sizes cylinder walls with an oversized design for self-centering use. It offers a range of grits for specific finishes and is noted for uniform surface finish with minimal effort; useful in engine rebuilding and hydraulic/pneumatic components

Highlights

  • self-centering and self-compensating design
  • Offers multiple grits for specific tolerances
  • uniform crosshatch finish

Pros

  • Overly engineered oversized design for self-centering use
  • Wide variety of grits for finishing tolerances
  • Produces crosshatch finish
  • Made in the USA
  • Useful for rebuilding hydraulic and pneumatic cylinders

Cons

  • Durability mixed in customer feedback
  • Some users report it doesn't last through one engine block

Best For

  • engine rebuilding
  • valve guides finishing
  • cylinder wall honing
  • hydraulic/pneumatic cylinder refinishing
  • brake cylinder finishing
  • cast iron and softer ferrous material honing

Features

  • Made in the USA with consistent quality and tooling heritage
  • Oversized design enables self-centering, self-aligning, and wear compensation for easy use
  • Available in multiple grits for precise finishing tolerances and crosshatch patterns
  • Suitable for rebuilding hydraulic/pneumatic cylinders, engines, brakes, valve guides, pumps, and more
  • Performs finishing and deburring in a single setup across hand drills, drill presses, or CNC equipment

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