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FLEX-HONE 3-3/4" (95mm) Ø, 320 Grit Silicon Carbide for Mild Steel to Softer Ferrous

Flex-Hone ★ 3.8/5 · ItemOracle Score Mid-Range

$77 USD
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Brush Research GB33432 FLEX-HONE, 3-3/4" (95mm) Diameter, 320 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials

FLEX-HONE abrasive brush designed to self-center in cylinder walls, offering a crosshatch finish. Designed oversized for self-alignment and wear compensation; suitable for rebuilding hydraulic/pneumatic cylinders, engine and brake cylinders

Highlights

  • Self-centering, easy to use
  • Wide grit variety for controlled finish
  • Made in the USA

Pros

  • Self-centering and self-compensating design
  • Overengineered oversized construction for even pressure
  • Wide grit range for finishing tolerances
  • Made in the USA
  • Versatile for multiple ferrous materials

Cons

  • Mixed durability reports
  • Some users note limited longevity in engine blocks

Best For

  • cylinder wall refinishing
  • engine cylinder honing
  • brake cylinder honing
  • valve guide finishing
  • hydraulic/pneumatic cylinder rebuilding
  • cast iron and stainless steel finishing

Features

  • Made in the USA with proven quality and consistency
  • Oversized design enables self-centering, self-aligning, and wear compensation
  • Available in multiple grits for controlled finishing and crosshatch patterns
  • Suitable for rebuilding hydraulic/pneumatic cylinders, engine and brake cylinders, valve guides, pumps, and compressors
  • Supports deburring and finishing in a single setup across hand drills, drill presses, or CNC equipment

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