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BC 9.5MM 400SC .357MAG 1-5/8 AP 3 - Brush Research

Part #: BS00899

The Brush Research BC 9.5MM 400SC Flex-Hone tool (BS00899) is a professional-grade abrasive solution designed for precision surface finishing and deburring of small-diameter bores and cylinders. Utilizing advanced silicon carbide abrasive globules, this flexible cylinder hone produces an optimal plateau finish with a crucial oil-holding crosshatch pattern, ensuring enhanced performance and longevity for critical components. It effectively removes cut, torn, and folded metal, leaving behind a superior, non-directional finish.

Key Features

  • Precision Surface Finishing: Delivers a true plateau finish, free from imperfections, for improved component performance and wear life.
  • Effective Deburring: Simultaneously finishes and deburrs internal bores and cross-drilled holes in a single, efficient operation.
  • Oil-Holding Crosshatch Pattern: Creates an ideal surface for oil retention, contributing to better lubrication, reduced friction, and extended seal life.
  • Silicon Carbide Abrasive: Features 400-grit silicon carbide for effective honing on materials such as mild steel, stainless steel, cast iron, and other ferrous materials.
  • Self-Centering Design: Engineered to be self-centering, self-aligning to the bore, and self-compensating for wear, ensuring consistent results and ease of use.
  • Versatile Compatibility: Designed for nominal bore diameters around 9.5mm (.357"-.375"), making it suitable for a range of small-diameter applications.

Applications

This BC series Flex-Hone is indispensable for professional technicians and machinists working on demanding applications. It is commonly used for honing handgun cylinders and pistol chambers, ensuring smooth, precise bore dimensions and optimal firearm performance. Additionally, it excels in automotive tasks such as deglazing brake and wheel cylinders and is highly effective in hydraulic and pneumatic systems for improving cylinder walls, valve bodies, and valve guides. This tool can be driven by a hand drill, drill press, or CNC equipment, offering flexibility in various workshop environments.

Specifications

  • Manufacturer: Brush Research
  • Model Number: BS00899
  • Product Series: BC Standard Duty
  • Nominal Bore Diameter: 9.5mm (approx. .357"-.375")
  • Abrasive Material: Silicon Carbide (SC)
  • Grit Size: 400
  • Abrasive Part Length: 1-5/8 inches
  • Overall Length: 3 inches
  • Recommended RPM: 1000 - 1200 RPM (with lubrication)
Only 2 left in stock - order soon

$20.66

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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This product was added to our catalog on Friday 05 June, 2026.

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