Flex-Hone Cylinder Honing Tools
Flexible abrasive honing tools for deburring, finishing, and surface conditioning
- Self-centering and self-aligning design
- Controlled surface finish without significant material removal
- Multiple series: BC, GB, and GBD
- Silicon carbide and aluminum oxide options
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Flex-Hone Series
BC Series (Standard Duty)
- 200mm overall length
- Available in multiple grits
- Variety of abrasives available
- Sizes from 4mm to 3"
GB Series (Standard Duty)
- 340mm overall length
- Available in multiple grits
- Variety of abrasives available
- Sizes from 3-1/4" to 4-5/8"
GBD Series (Heavy Duty)
- Overall length to suit size
- Available in multiple grits
- Variety of abrasives available
- Sizes from 3" to 8"
GBD Large Cored Series
- Woodcore construction
- Separate long hex shaft
- Variety of grits available
- Different abrasive types available
- Sizes from 8-1/2" to 18" in stock
- Larger sizes by special order
Video Guides
How to use a Flex-Hone and choose what size you need
How to Use a Flex-Hone & Work Out the Size You Need
FlexHone - Let's Make Your Engines or Hydraulics Live Longer
Flex-Hone Advanced Techniques and Applications
Key Features
- Flexible abrasive honing tool
- Self-centering and self-aligning
- Available in multiple grits
- BC Series (200mm overall length)
- GB Series (340mm overall length)
- GBD Series (Overall length to suit size)
- Silicon carbide and aluminum oxide options
Applications
- Cylinder wall finishing
- Internal deburring
- Gun barrel cleaning
- Valve guide refinishing
- Tube and pipe finishing
- Surface conditioning
Flex-Hone Specifications & Sizes
Complete sizing guide and grit selection information.
View ChartsGun Cleaning Guide
How to use Flex-Hone for firearm barrel maintenance.
Learn MoreDeburring Guide
Internal deburring and metal finishing techniques.
Read GuideWhy Flex-Hone?
Flex-Hone cylinder hone tools increase the service life of many pieces of equipment by very worthwhile amounts. For instance customers report such things as double life between heat exchanger cleaning - up to 9 times the life of hydraulic seals and in race car engines - far less downtime etc., etc.
How does Flex-Hone offer these gains?
Well, let's explain... when you finish by using Flex-Hones you produce a more frictionless surface than you could create with any other tool and by doing this you prevent premature wear in any mating parts like piston rings and seals. And in heat exchanger tubes you produce a finish that's actually better than new. That's why you get such radical improvement in the service life and performance of equipment.
Comparison - Rigid Hones or Cutting Tools
The reason you gain these advantages is because Flex-Hones use a totally different method of metal finishing to any other machining or surface treatment process. We call it "downwards" finishing. Almost all other types of metal processing use "upwards" cutting. Let's explain... rigid hones or cutting tools of any type must penetrate below the surface and lift material up and off the workpiece. Ordinary abrasives and rigid hones do exactly the same thing because they're just like thousands of miniature cutting tools. This always leaves a jagged finish even if it's so minute you can't see the sharp peaks (see Diagram #1 and the corresponding roughness readout at right).
On the other hand Flex-Hones rub from the top of the work surface and smooth the jagged peaks downwards leaving a "plateaued" or flatter finish without jagged peaks (See Diagram #2 and the corresponding roughness readout).
Diagram #1: Microscopic schematic & roughness readout WITHOUT Flex-Honing
Diagram #2: Microscopic schematic & roughness readout AFTER Flex-Honing
Professional Surface Finishing
Flex-Hone tools produce a controlled surface finish that improves oil retention, reduces friction, and extends component life.