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Flex Hones
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  3. Abrasive & Finishing Products
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  5. Laps & Hones
  6. Flex Hones
  7. Flex-Hone 3" (76mm)…
Flex-Hone

Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool

Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹7,870₹11,120

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Qty
Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool — 3.000" (76mm)
3.000" (76mm)
₹7,870
₹11,120
In Stock
Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool — 3.500" (89mm)
3.500" (89mm)
₹10,250
₹14,630
In Stock

Estimated doorstep delivery by 16 Nov - 18 Nov from USA

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About this item

The Flex-Hone GBD30024 is a 3" (76mm) diameter abrasive tool engineered for precise cylinder finishing. Made with Silicon Carbide grit, it produces a crosshatch pattern ideal for oil retention and seal longevity. Its self-centering design ensures uniform results across various materials like mild steel, stainless steel, and cast iron. Suitable for automotive, firearm, and industrial applications, it simplifies deburring, port radiusing, and edge blending in a single operation. Delivered factory-sealed from the USA, it arrives in 11-13 days with all duties paid, supporting quick, professional results in your workshop or machining setup.

Reviewers highlight its rapid ring seating, consistent finish, and ease of use on hand drills or CNC machines. Its abrasive bead style effectively removes burrs and prepares surfaces for sealing or reassembly. The tool's oversize manufacturing ensures optimal pressure and self-alignment, reducing setup time and skill requirements. Perfect for professionals seeking reliable, high-quality honing in India, with fast tracked delivery and all duties included.

Order the Flex-Hone 3" diameter from USA to India for superior finish, longer seal life, and efficient deburring. Supports multiple applications, from hydraulic cylinders to firearm chambers, with delivery in 11-13 days and transparent customs handling.

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.
  • 240 GRIT SILICON CARBIDE ABRASIVE — Excellent on mild steel, stainless steel, cast iron and other softer ferrous materials. Typically achieves a finish of 24 - 32 Microinch (.6 - .8 Micrometer).
  • WHAT'S INCLUDED — 1 Each of a GBD Heavy Duty FLEX-HONE: 3.000" (76mm) Bore Diameter, 5" Abrasive Part Length, 0.310" Shank Diameter, 13.5" Overall Length. For Use on Bore Diameters Between 2.751"-3.000". PLEASE NOTE: ORDER BY BORE SIZE.

Why choose this product

Superior American Engineering

Designed and manufactured by Brush Research Manufacturing in the USA, the FLEX-HONE® tool offers unmatched quality, durability, and precision. Its self-centering, self-aligning construction ensures uniform results across various materials, reducing setup time and skill requirements. The wide grit selection and customizable abrasive types allow tailored finishes for automotive, firearm, and industrial applications, supporting longer seal life and better oil retention. Imported directly from the USA, it arrives factory-sealed and ready for professional use in India, with all duties included for hassle-free procurement.

Ideal for Professionals & Hobbyists

Whether in automotive repair shops, firearm manufacturing, or industrial machining, the FLEX-HONE® tool simplifies cylinder honing, deburring, and port radiusing. Its self-compensating design adapts to wear, providing consistent results without elaborate training. Suitable for use with hand drills, drill presses, or CNC equipment, it supports rapid, high-quality finishes in a single setup. Perfect for Indian workshops seeking reliable, USA-imported honing solutions with fast delivery and transparent customs handling.

How to use

  • Select the Correct Bore Size — Measure your cylinder bore accurately and choose the Flex-Hone with matching oversize diameter for optimal fit and finish.
  • Apply Suitable Honing Oil — Use honing oil or mineral oil to lubricate the surface, reducing heat and abrasive wear during operation.
  • Operate at Recommended RPM — Use a hand drill or CNC machine at 500-1200 RPM, moving the hone in and out steadily for uniform crosshatch pattern.
  • Inspect & Repeat if Needed — Check the finish; repeat honing if necessary. Clean the cylinder thoroughly before reassembly for optimal performance.

Example scenarios

Typical situations where Flex-Hone 3" (76mm) Diameter helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

A Mumbai-based automotive workshop needs to deglaze engine cylinders efficiently.

How this product helps

Using the USA-imported Flex-Hone, they achieve a uniform crosshatch finish in 30 minutes, saving costs and improving seal longevity.

2
Scenario 2
Illustrative example
Where it helps

A Chennai firearm manufacturer deburrs shotgun barrels for better performance.

How this product helps

The self-centering 240 grit hone provides consistent results, reducing manual effort and ensuring quality in under an hour.

Specifications

Composition

Abrasive MaterialSilicon Carbide
Grit Size240
Bond TypeAbrasive Globule Bonded to Nylon

Usage

Recommended RPM500-1200 RPM depending on diameter
ApplicationCylinder honing, deburring, port radiusing
Size / Weight3" diameter, 0.75 lbs (0.34 kg)
Shelf LifeFactory-sealed, use within 2 years
Cost per use₹7,870 per count
Reapplication mathOne tool lasts for multiple cylinders depending on use
ContraindicationsDo not use on hardened or brittle materials
Allergens / IrritantsSilicon Carbide

How we compare

FeatureFlex-Hone 3" (76mm)Others
Material CompatibilitySilicon Carbide abrasive, suitable for mild steel, stainless steel, cast ironIndian abrasive hones often use Aluminum Oxide, suitable for softer materials
Finish QualityProduces microinch plateau finish, ideal for seal and piston ring seatingMany Indian hones produce rougher finishes, requiring additional polishing
Grit RangeAvailable in 11 grits including 240, for precise finish controlTypically limited to coarse grits, less control over finish parameters
Price per Unit₹7,870 per countVaries by brand, generally ₹1500-₹2500 for similar size

Product details

SKUfpm7598
GTIN0843469148100
BrandFlex-Hone
Model NumberGBD30024
Size3.000" (76mm)
Grit240
MaterialSilicon Carbide

About Flex-Hone

Brush Research Manufacturing, USA, has pioneered honing tools since 1972, delivering industry-leading quality and innovation.

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 Flex-Hone for my cylinder?
Order the Flex-Hone that matches your cylinder bore size. The tool is intentionally manufactured oversized, ensuring a proper fit and uniform finish. It self-centers and adapts to wear, providing consistent results across various materials like mild steel, stainless steel, and cast iron. Suitable for automotive, firearm, and industrial applications, it simplifies honing, deburring, and port radiusing in a single operation. Delivered factory-sealed from the USA, arrives in 11-13 days with duties paid, supporting professional results in your workshop or machining setup.
Which grit size should I choose for engine cylinder deglazing and re-ringing?
A 240 grit Silicon Carbide abrasive is ideal for deglazing and creating a cross-hatch pattern that promotes oil retention and piston ring seating. It typically achieves a finish of 24-32 Microinch, suitable for engine cylinders, hydraulic, and pneumatic applications. The self-centering design ensures uniform results, reducing setup time and skill requirements. Perfect for Indian workshops seeking reliable, USA-imported honing tools with fast delivery and transparent customs handling.
Can I use the Flex-Hone in a CNC machine?
Yes, the Flex-Hone can be used in CNC equipment or hand drills. Its self-aligning, self-compensating design makes it compatible with various rotating spindles. It provides a uniform, plateau finish, improves oil control, and extends seal life. Ideal for deburring, port radiusing, and edge blending in automotive, firearm, and industrial applications. Delivered factory-sealed from the USA, with all duties included, arriving in 11-13 days for professional use in India.
Is the Flex-Hone safe for use on stainless steel and cast iron?
Yes, the 240 grit Silicon Carbide Flex-Hone is excellent on mild steel, stainless steel, cast iron, and softer ferrous materials. Its abrasive bead style removes burrs, deburrs, and creates a crosshatch pattern for better oil retention and seal performance. Self-centering and easy to operate with drills or CNC, it supports rapid, consistent results. Imported from the USA, arrives in 11-13 days with duties paid, ideal for professional and hobbyist workshops in India.

Frequently bought together

Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool

This item:

Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool

₹7,870

Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool

This item

Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool

₹7,870

Total price:

₹17,330

You save ₹3,770 (18%) Extra

3 items selected

3 items

₹17,330

You save ₹3,770 (18%) Extra

Product Comparison

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Flex-Hone 3" (76mm) Diameter, 240 Grit Silicon Carbide | Self-Centering, Abrasive Deburring Tool
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Spec
Price
₹7,870
₹11,120
₹3,930
₹4,260
₹5,530
₹5,720
₹5,930
₹6,590
₹6,810
₹8,250
₹1,260
₹1,780
₹1,870
₹2,870
Brand NameFlex-HoneFlex-HoneFlex-HoneFlex-HoneFlex-HoneDuckFasco Epoxies
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹7,870₹11,120

You Save ₹3,250

Estimated doorstep delivery by 16 Nov - 18 Nov from USA
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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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₹23,610+ (3× the price)
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