Flex-Hone
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Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
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Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Brush Research GB31460 Flex-Hone, 3-1/4 (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
The FLEX-HONE produces an oil holding cross hatch pattern and a true plateau finish free of cut, torn and folded metal.
Brush Research GB31460 Flex-Hone, 3-1/4" (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous Materials
Item #: 45618444

Brush Research GB31460 Flex-Hone, 3-1/4" (83mm) Diameter, 60 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous

Item #: 45618444

MWK 267597

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The FLEX-HONE produces an oil holding cross hatch pattern and a true plateau finish free of cut, torn and folded metal.
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What Stands Out

Versatile Material Use
Designed for mild steel, stainless steel, cast iron, and softer ferrous materials, offering extensive compatibility for various applications and industries, making it a reliable choice for diverse user needs.
Exceptional Finish
The 600 grit silicon carbide ensures a smooth, polished finish, effectively removing burrs and imperfections, providing users with superior surface quality for improved performance in subsequent operations.
User-Friendly Design
Its flexible hone design allows for easy access to complex geometries while maintaining consistent pressure, reducing operator fatigue and enhancing efficiency during metalworking tasks.

Product Details

Shop from a wide range of cylinder honing tools at Ubuy Malawi. Find the perfect 3 3/4 Flex-Hone with 600 Grit for a polished finish. Affordable prices. Fast shipping.
  • [QUALITY]-Proudly Made in the USA. Quality and consistency you can count on made from the inventors and makers of the tool.
  • [DESIGN]-The FLEX-HONE is intentionally manufactured oversized. This engineered oversize creates the optimal amount of pressure inside the cylinder wall allowing the tool to be self-centering, self-aligning and self-compensating for wear and easy use.
  • [FINISHING BENEFITS]-Offered in a wide variety of grits to achieve specific finishing tolerances as well as a beautiful crosshatch finish. Ideal for rebuilding hydraulic and pneumatic cylinders, engine and brake cylinders, valve guides, pumps, compressors and more.
  • [CROSSHOLE DEBURRING]-Accomplish finishing and deburring simultaneously in a single setup. Can be used in virtually any rotating spindle from a hand drill, drill press or CNC equipment.
  • [60 GRIT SILICON CARBIDE ABRASIVE]-Excellent on mild steel, stainless steel, cast iron and other softer ferrous materials. Typically achieves a finish of 60 - 80 Microinch (1.5 - 2 Micrometer).
  • [WHAT'S INCLUDED]-1 Each of a GB Standard Duty FLEX-HONE: 3.250" (83mm) Bore Diameter, 3.50" Abrasive Part Length, 0.310" Shank Diameter, 13.5" Overall Length. For Use on Bore Diameters Between 3.001"-3.250". PLEASE NOTE: ORDER BY BORE SIZE.
Brand NameFlex-Hone
Unit Count1.0 Count
ManufacturerBrush Research Manufacturing
UPC843469143549
Part NumberGB31460
ModelGB31460
Number of Items1
Included ComponentsFLEX-HONE® Tool
Number of Pieces1
Item Diameter3.25 Inches (8.3 cm)
Item Dimensions13 x 3.1 x 13 inches (33 x 7.9 x 33 cm)
Grit Type60 Grit
Recommended Uses For ProductFinishing, Deburring, Blending
Grit Number60
Compatible MaterialCast Iron, Mild Steel, Other Softer Ferrous Materials, Stainless Steel
Material TypeSilicon Carbide
Grit Material TypeSilicon Carbide
Bristle TypeAbrasive Globule Bonded To Flexible Nylon Filament
MaterialSilicon Carbide
BrandFlex-Hone
Grit MaterialSilicon Carbide

What's in the box

FLEX-HONE® Tool

Who Should Buy?

Suitable For
  • Metal Fabricators

    Ideal for fabricators needing a reliable honing tool for smoothing and finishing various metal surfaces effectively.

  • Engine Rebuilders

    Perfect for engine rebuilders looking to ensure optimal surface finish for cylinder walls and other critical parts.

  • DIY Enthusiasts

    Great for DIY users seeking a versatile tool that enhances surface quality for home projects involving metal work.

Not Suitable For
  • Non-metal Users

    Not suitable for users working predominantly with non-metal materials like wood or plastics, as it's meant for metals.

  • Heavy-duty Applications

    May not perform well for heavy-duty applications requiring aggressive material removal beyond light finishing work.

  • Beginners

    Not ideal for beginners unfamiliar with honing techniques, which may lead to ineffective or unwanted surface results.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Brush Research GB312600 FLEX-HONE®?

    Answer: The Brush Research GB312600 FLEX-HONE® is designed to provide surface finishing and conditioning for various metals, particularly mild steel, stainless steel, and cast iron. It effectively deburrs edges, removes small imperfections, and creates a fine surface finish. This is crucial for applications where a smooth surface is required, such as in engine components or hydraulic cylinders, enhancing overall performance and longevity.
  • Question: What types of materials can I use the FLEX-HONE® on?

    Answer: The FLEX-HONE® is perfect for working with mild steel, stainless steel, cast iron, and softer ferrous materials. Its silicon carbide construction allows it to tackle a variety of surfaces while maintaining its integrity. This versatility makes it an ideal tool for metalworkers and machinists who work with multiple materials, ensuring a consistent finish across different projects.
  • Question: How do I install the FLEX-HONE®?

    Answer: Installing the FLEX-HONE® is straightforward; it can be used with a standard drill or rotary tool. Ensure that the tool is set to the appropriate speed, usually between 200 to 500 RPM, depending on the material you're working with. Align the hone with the surface and use a smooth in-and-out motion for even coverage. This method ensures optimal performance and extends the life of the tool while providing high-quality results.
  • Question: What is the grit size of this FLEX-HONE® and how does it affect performance?

    Answer: The GB312600 FLEX-HONE® features a 600 grit size, striking a balance between aggressive material removal and achieving a fine finish. This grit is particularly effective for honing purposes where a smoother surface is needed. In contexts such as valve guides or cylinder bores, this level of fineness aids in reducing friction and maintaining efficient engine performance over time.
  • Question: Can the FLEX-HONE® be used on non-ferrous metals?

    Answer: While the FLEX-HONE® excels on ferrous metals like mild steel and stainless steel, it can also be used on some non-ferrous metals, although its effectiveness varies. Users must consider the material's hardness when employing the hone. For aluminum or brass, lighter touch and adjustments in technique may be necessary to avoid potential damage or excessive wear of the tool.
  • Question: What maintenance does the FLEX-HONE® require after use?

    Answer: After using the FLEX-HONE®, it's essential to clean it to ensure optimal performance for future applications. This can be done by rinsing it with water or using a brush to remove any debris or buildup. Proper maintenance helps in preserving the grit and extends the lifespan of the tool, making it a reliable option for consistent quality in upcoming projects.
  • Question: Are there any specific safety measures to take while using the FLEX-HONE®?

    Answer: Yes, using the FLEX-HONE® safely involves wearing appropriate personal protective equipment, including safety goggles and gloves. Ensure that your workspace is well-ventilated and clear of obstructions. Additionally, always inspect the tool before use to avoid accidents. Following these precautions not only protects you but enhances the overall effectiveness of the honing process.
  • Question: What is the diameter specification of the FLEX-HONE®?

    Answer: The Brush Research GB312600 FLEX-HONE® has an 89mm diameter, suitable for various applications like honing engine cylinders or hydraulic components. This size is designed to efficiently address different bore sizes while providing the ability to maneuver easily. Being able to access tighter spaces makes this tool particularly valuable for automotive or machine shop environments.
  • Question: Can the FLEX-HONE® be used with power tools other than drills?

    Answer: Certainly! The FLEX-HONE® can be utilized with various power tools, such as pneumatic or electric flex-shaft tools, enhancing versatility in operations. Depending on your workspace setup, this adaptability allows users to choose the best tool to achieve their desired surface finish while ensuring smooth operation across multiple types of applications.
  • Question: Where can I buy Brush Research GB312600 FLEX-HONE®, 3-12 89mm Diameter, 600 Grit, Silicon Carbide, for Mild Steel, Stainless Steel, Cast Iron and Softer Ferrous in Malawi?

    Answer: You can purchase the Brush Research GB312600 FLEX-HONE® from Ubuy in Malawi. Ubuy offers a range of products, making it a convenient platform for securing this specific honing tool. Their extensive selection ensures you can find what you need to address your metalworking tasks efficiently.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

MWK 267597

Order now and get it around Tuesday, July 28

QTY:

Only 2 items left in stock.
Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Achieve a superior plateau finish with the FLEX-HONE tool.
  • Variety in sizes from 4mm to 36 inches for any cylinder type.
  • Choose from 9 abrasive types for tailored performance.
  • 11 grit selections for precise finishing control.
  • Eliminate peaks for rapid ring seating and improved seal life.
  • Automate deburring and finishing in one operation with ease.

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