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Flex Hones
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  3. Abrasive & Finishing Products
  4. Finishing Products
  5. Laps & Hones
  6. Flex Hones
  7. Flex-Hone 3" (76.2mm)…
Flex-Hone

Flex-Hone 3" (76.2mm) Diameter, 180 Grit, Silicon Carbide | Self-Centering Honing Tool for Steel & Cast Iron

Flex-Hone 3" (76.2mm) Diameter, 180 Grit, Silicon Carbide | Self-Centering Honing Tool for Steel & Cast Iron - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹6,810₹8,250

You save ₹1,440 (17%)

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Flex-Hone 3" (76.2mm) Diameter, 180 Grit, Silicon Carbide | Self-Centering Honing Tool for Steel & Cast Iron — 2.375" (60.3mm)
2.375" (60.3mm)
₹5,930
₹6,590
In Stock
Flex-Hone 3" (76.2mm) Diameter, 180 Grit, Silicon Carbide | Self-Centering Honing Tool for Steel & Cast Iron — 3.000" (76.2mm)
3.000" (76.2mm)
₹6,810
₹8,250
In Stock

Estimated doorstep delivery by 11 Nov - 13 Nov from USA

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Professional Honing at a Competitive Price

About this item

Flex-Hone 3" (76.2mm) diameter, 180 grit silicon carbide abrasive, is a self-centering honing tool designed for steel, cast iron, and softer ferrous materials. It creates a precise cross hatch finish, aiding in rapid ring seating and oil retention, suitable for automotive, hydraulic, and pneumatic applications.

The Flex-Hone's unique construction ensures it is self-aligning, self-compensating for wear, and easy to use with any rotating spindle, from hand drills to CNC machines. Its engineered oversize design applies optimal pressure inside the cylinder wall, providing a uniform finish and deburring in one operation. Reviewers report excellent results on engine cylinders, brake parts, and valve guides, with a finish typically of 30-40 Microinch (.7-1 Micrometer).'

Imported from the USA, this tool arrives factory-sealed, with all duties included, and reaches Indian workshops in 11-13 days. It offers a reliable, professional-grade honing solution for automotive and industrial needs, with quick turnaround and consistent quality.

Key Features

  • 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.
  • 180 GRIT SILICON CARBIDE ABRASIVE — Excellent on mild steel, stainless steel, cast iron and other softer ferrous materials. Typically achieves a finish of 30 - 40 Microinch (.7 - 1 Micrometer).
  • WHAT'S INCLUDED — 1 Each of a BC Standard Duty FLEX-HONE: 3.000" (76.2mm) Bore Diameter, 3" Abrasive Part Length, 0.245" Shank Diameter, 8" Overall Length. For Use on Bore Diameters Between 2.876"-3.000". PLEASE NOTE: ORDER BY BORE SIZE.

Why choose this product

Superior Finish & Consistent Quality

Brush Research's Flex-Hone tools are designed for precision, producing a plateau finish that enhances seal performance and oil control. Made in the USA, they are trusted for durability and uniform results across automotive and industrial applications.

Ideal for Indian Workshops & Professionals

Self-centering, easy to operate, and compatible with standard drills and CNC equipment, these tools support quick, reliable cylinder finishing in Indian manufacturing and repair shops. Skip if working on very hard materials or requiring specialized abrasives.

How to use

  • Measure Bore Size — Accurately measure the cylinder bore in inches or mm to select the correct oversize Flex-Hone for optimal fit and finish.
  • Attach to Drill — Secure the Flex-Hone in your drill or CNC spindle, set the RPM within recommended range (500-1200 RPM), and apply honing oil.
  • Hone the Cylinder — Insert the tool into the bore, run at recommended speed, and move in and out smoothly to achieve a cross hatch pattern and plateau finish.
  • Clean & Inspect — Remove debris, check finish quality, and repeat if necessary. Use honing oil during operation for best results.

Example scenarios

Typical situations where Flex-Hone 3" (76.2mm) Diameter helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

An Indian automotive workshop needs to deglaze engine cylinders quickly for rebuilds, with reliable finish and minimal setup time.

How this product helps

Using the Flex-Hone, mechanics achieve a uniform plateau finish, reducing rework, with faster ring seating and oil retention, saving ₹ and time.

Specifications

Composition

Abrasive MaterialSilicon Carbide

Usage

Recommended Bore Size2.876"-3.000"
Recomm. RPM Range500-1200 RPM
Shelf LifeFactory-sealed, use within 12 months of opening
Cost per use₹6,810 per count
Reapplication DurationLasts for multiple uses depending on bore size
Suitable forEngine cylinders, hydraulic, pneumatic, brake, valve guides

How we compare

FeatureFlex-Hone 3" (76.2mm)Others
Finish QualityProduces a true plateau finish with cross hatch pattern, typically 30-40 Microinch (.7-1 Micrometer)Local honing tools vary; often produce uneven finishes, less precise cross hatch, may require multiple passes
Self-Centering & Ease of UseEngineered oversized, self-centering, compatible with drills and CNC, no special setup neededManual alignment often required, less consistent, may need skilled operators
Material CompatibilityEffective on mild steel, stainless steel, cast iron, softer ferrous materialsLimited abrasive options, less effective on certain materials, inconsistent results
Price & Cost-Per-Use₹6,810 per unit, supports multiple uses, quick turnaroundPrices vary, often higher per use, longer lead times, inconsistent quality

Product details

SKUcrs2869
GTIN0843469126443
BrandFlex-Hone
Model NumberBC30018
Size3" (76.2mm)
MaterialSilicon Carbide
ColorGray

About Flex-Hone

Brush Research Manufacturing, founded in 1972, is a leader in abrasive tools, known for precision honing solutions used worldwide in automotive and industrial sectors.

Compliance & Legal

This is a dietary supplement; not intended to diagnose, treat, cure or prevent any disease.

Customer Reviews

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FAQ, See What Others Asked

How do I choose the correct diameter flexible cylinder hone for my bore?
Order the Flex-Hone that matches your bore size. The tool is oversized for proper fit, self-centering, and creates a uniform cross hatch finish for engine or hydraulic cylinders.
Which grit size should I choose for engine cylinder deglazing and re-ringing?
A 180 grit silicon carbide hone is ideal for deglazing and creating a cross hatch pattern, aiding in piston ring seating and oil retention.
Is this tool suitable for use on stainless steel or cast iron?
Yes, the silicon carbide abrasive is excellent on mild steel, stainless steel, cast iron, and softer ferrous materials, providing a smooth, plateau finish.
How long does the tool last with regular use?
The Flex-Hone is self-compensating for wear, with durability depending on application and bore size, typically supporting multiple operations.
Can I automate the honing process in my workshop?
Yes, the Flex-Hone can be used in CNC or automated setups for deburring and finishing, reducing manual effort and increasing consistency.
How do I order the right size for my project in India?
Measure your bore accurately in inches or millimeters, then select the oversize tool accordingly. The product is designed for bore sizes between 2.876"-3.000".

Frequently bought together

Flex-Hone 3" (76.2mm) Diameter, 180 Grit, Silicon Carbide | Self-Centering Honing Tool for Steel & Cast Iron

This item:

Flex-Hone 3" (76.2mm) Diameter, 180 Grit, Silicon Carbide | Self-Centering Honing Tool for Steel & Cast Iron

₹6,810

Flex-Hone 3" (76.2mm) Diameter, 180 Grit, Silicon Carbide | Self-Centering Honing Tool for Steel & Cast Iron

This item

Flex-Hone 3" (76.2mm) Diameter, 180 Grit, Silicon Carbide | Self-Centering Honing Tool for Steel & Cast Iron

₹6,810

Total price:

₹16,270

You save ₹1,960 (11%) Extra

3 items selected

3 items

₹16,270

You save ₹1,960 (11%) Extra

Product Comparison

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Spec
Price
₹6,810
₹8,250
₹3,930
₹4,260
₹5,530
₹5,720
₹5,930
₹6,590
₹2,420
₹3,740
₹1,260
₹1,700
₹9,420
₹15,050
Brand NameFlex-HoneFlex-HoneFlex-HoneFlex-HoneOFCNPUSNMIHOSMART
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹6,810₹8,250

You Save ₹1,440

Estimated doorstep delivery by 11 Nov - 13 Nov from USA
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Your Order Journey: From Purchase to Doorstep

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Packed & shipped
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Customs cleared
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You Order
Place your order
USA Warehouse dispatch
Packed & shipped
International Air Shipping
Fast transit
Consignment to India Warehouse
Customs cleared
Doorstep delivery
Delivered to you

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₹20,430+ (3× the price)
₹6,810 locked, all-in
Hard to get the original US version in India
Original US version, shipped to your door
Extra pay for Import Duties, GST, and forex fees
One price in INR, no customs charges at delivery
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