FLEX-HONE Brush Research 3-1/4 in 240 Grit for Mild Steel and more

Flex-Hone ★ 3.9/5 · ItemOracle Score Mid-Range

$67 USD
Price subject to change
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Brush Research GBD31424 FLEX-HONE, 3-1/4" (83mm) Diameter, 240 Grit, Silicon Carbide, For Mild Steel, Stainless Steel Cast Iron and Softer Ferrous Materials

A self-centering silicon carbide abrasive brush for finishing cylinders and related parts. Delivers a crosshatch finish and cleaning action; praised for build quality and ease of use by technicians

Highlights

  • engineered oversized tool for self-centering fit
  • multiple grit options for finishing tolerances
  • ideal for crosshatch finish and cylinder work

Pros

  • self-centering and self-aligning design
  • wide range of grits for finishing tolerances
  • crosshatch finish quality
  • made in the USA with durable build
  • easy to use with minimal chatter

Cons

  • specific use limited to ferrous and softer materials
  • abrasive wear may require periodic replacement
  • requires proper handling to avoid gouging if misused

Best For

  • rebuilding hydraulic cylinders
  • rebuilding pneumatic cylinders
  • engine cylinder finishing
  • valve guide finishing
  • brake cylinder finishing
  • general surface finishing on cast iron and stainless

Features

  • Proudly made in the USA with consistent quality from the tool's inventors
  • Oversized design enables self-centering, self-aligning, and wear compensation
  • Available in multiple grits for specific finishing tolerances and crosshatch finishes
  • Suitable for rebuilding hydraulic/pneumatic cylinders, engine and brake cylinders, valves, pumps, and compressors
  • Supports deburring and finishing in a single setup on rotating spindles from hand drills to CNC machines

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