You save 1,090 (4%)
Estimated doorstep delivery by 24 Nov - 26 Nov from USA
Premium USA Quality at Competitive Price
The Flex-Hone 4" (102mm) diameter tool is a self-centering abrasive bead hone imported from the USA, designed for precise cylinder finishing. Its unique construction ensures uniform pressure and a true plateau finish on mild steel, stainless steel, cast iron, and softer ferrous materials. Suitable for automotive, hydraulic, pneumatic, and industrial applications, it produces an oil-holding crosshatch pattern that enhances piston ring seating and oil control. The tool's oversized manufacturing creates optimal pressure, enabling easy use with hand drills, CNC, or drill presses. Its nine abrasive types and 11 grit options allow tailored finishes for specific needs, making it a versatile choice for professionals in India seeking American quality.
Reviewers report excellent results on engine cylinders, brake components, and hydraulic parts, noting rapid ring seating and improved seal performance. The self-aligning design reduces setup time and ensures consistent results, even in complex geometries. Its ability to deburr cross-drilled holes and radii makes it a comprehensive finishing solution. Delivered in 11-13 days, this tool offers a reliable, factory-sealed option for Indian workshops and manufacturers, with duties included and a 14-day guarantee for satisfaction.
American Innovation & Quality
Flex-Hone tools are manufactured by Brush Research Manufacturing, pioneers in abrasive honing since 1972. Their self-centering, wear-compensating design ensures consistent, professional results, trusted worldwide.
Suitable for Indian Industry & Workshops
Imported directly from the USA, this tool is factory-sealed, with all duties included, and arrives in 11-13 days. Perfect for automotive, hydraulic, and pneumatic cylinder finishing in Indian workshops seeking premium quality.
Typical situations where Flex-Hone 4" (102mm) Diameter 320 Grit Silicon Carbide | Self-Centering helps — illustrative scenarios, not customer reviews.
An Indian automotive workshop needs to deglaze engine cylinders for rebuilds, seeking consistent finish and faster ring seating.
Using the USA-imported Flex-Hone, the workshop achieves uniform crosshatch patterns, reduces rework, and improves engine performance, saving ₹ and time in 2-3 days.
| Abrasive Type | Silicon Carbide |
| Grit | 320 |
| Bonding Material | Abrasive Globule Bonded to Nylon |
| Recommended Bore Size | 3.75"-4.00" (95.25mm-101.6mm) |
| Recomm. RPM | 500-1200 RPM |
| Cost per use | ₹24,750 per piece |
| Shelf Life | Factory-sealed, use within 12 months of manufacture |
| Reapplication Duration | One tool lasts for approximately 150-200 cylinder passes at recommended RPM |
| Contraindications | Do not use on non-ferrous or very soft materials |
| Allergens / Irritants | Silicon Carbide |
| Feature | Flex-Hone 4" (102mm) | Others |
|---|---|---|
| Material & Finish | Silicon Carbide abrasive bead, produces crosshatch, plateau finish | Indian abrasive hones with varied grit, inconsistent finish quality |
| Size Compatibility | Manufactured oversized for self-centering on 3.75"-4.00" bores | Often require manual adjustment, less precise fit |
| Application Versatility | Suitable for engine, hydraulic, pneumatic cylinders, deburring | Limited to specific materials, less adaptable |
| Durability & Results | Produces uniform plateau finish, rapid ring seating | Variable quality, inconsistent surface finish |
| SKU | gmm6775 |
| GTIN | 0843469149886 |
| Brand | Flex-Hone |
| Model Number | GBD40032 |
| Size | 4" (102mm) |
| Material | Silicon Carbide |
| Item Diameter | 4.000 inches |
About Flex-Hone
Brush Research Manufacturing has pioneered abrasive honing since 1972, delivering consistent, high-quality tools trusted worldwide.
Compliance & Legal
This is a mechanical abrasive tool; no medical or chemical safety warnings apply.
Share your experience
Bought this from CrowCrowCrow? Other buyers want to hear how it went.
This item:
Flex-Hone 4" (102mm) Diameter 320 Grit Silicon Carbide | Self-Centering, Abrasive Bead Finish
24,750
This item
Flex-Hone 4" (102mm) Diameter 320 Grit Silicon Carbide | Self-Centering, Abrasive Bead Finish
24,750
Total price:
35,490
You save 4,460 (11%) Extra3 items selected
3 items
35,490You save 4,460 (11%) Extra
| Attributes | Current |  |  |  | |||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 24,750 25,840 | 6,810 9,850 | 3,930 4,260 | 3,940 5,770 | 3,230 3,320 | 2,850 4,050 | 1,890 2,600 |
| Brand Name | Flex-Hone | Flex-Hone | Flex-Hone | Flex-Hone | Flex-Hone | V·RESOURCING | DIYMAG |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
Why shop with us
One price. One payment. No surprises.
High risk
Buying Direct
Crowcrowcrow
Safe Lane
