FLEX-HONE brush for cylinders, 4-5/8" dia, 120 grit

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

$56 USD
Price subject to change
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Brush Research GB45812 FLEX-HONE, 4-5/8" (117mm) Diameter, 120 Grit, Silicon Carbide, For Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials

FLEX-HONE abrasive brush for mild steel, stainless steel, cast iron and softer ferrous materials. Delivers a crosshatch finish with self-centering design for easy use; ideal for rebuilding hydraulic and pneumatic cylinders and engine/brake cylinders. Customer feedback highlights ease of use and quality, with mixed durability reports

Highlights

  • oversized tool design for self-centering
  • silicon carbide abrasive
  • variety of grits for finishing tolerances

Pros

  • self-centering, self-aligning design
  • wide grit variety for finishing tolerances
  • good crosshatch finish
  • easy to use
  • made in the USA

Cons

  • mixed durability feedback
  • eld friction may vary by material
  • one customer reported limited longevity on an engine block

Best For

  • rebuilding hydraulic cylinders
  • rebuilding pneumatic cylinders
  • engine cylinders
  • brake cylinders
  • valve guides
  • general metal finishing

Features

  • USA-made with consistent quality from original tool designers
  • Oversized design promotes self-centering and wear compensation
  • Wide grit range for specific tolerances and crosshatch finish
  • Simultaneous finishing and deburring for rotating spindles
  • Suitable for hand drills, drill presses, and CNC equipment

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