When choosing a precision tube for hydraulic cylinder manufacturing, buyers often compare honed tubes with skived & roller burnished (SRB) tubes.
Both can be used to produce hydraulic cylinder barrels, and both can provide a precision internal bore. The question is not simply which process produces a "better" tube.
The more useful question is:
Which process fits your cylinder design, required bore condition and production method?
The answer depends on several factors, including tube size, dimensional requirements, surface finish, production volume and whether the tube will be machined again before cylinder assembly.
What Is the Difference Between Honing and Skiving & Roller Burnishing?
The two processes achieve a precision internal bore in different ways.
Honing uses abrasive tools to remove a controlled amount of material from the internal surface. The process is commonly used to achieve a specified internal diameter, surface roughness and bore geometry.
Skiving & roller burnishing combines two operations. Skiving removes material from the internal bore, while roller burnishing uses pressure from rollers to improve the internal surface and bore condition.
In simple terms:
Honing = precision abrasive machining
SRB = internal cutting followed by roller burnishing
Both processes can produce tubes suitable for hydraulic cylinder applications, but their production characteristics are different.
Honed Tube: When Does It Make Sense?
A honed tube is a good choice when the hydraulic cylinder requires a carefully controlled internal bore and surface condition.
Honing is particularly useful when the cylinder design places strong emphasis on:
Internal diameter tolerance
Bore geometry
Surface roughness
Seal compatibility
Smooth piston movement
The process is also well established for hydraulic cylinder barrels, so many cylinder manufacturers already have specifications based around honed tubes.
For replacement cylinders, standard cylinder designs and smaller or medium production runs, honed tubes can be a practical option.
SRB Tube: When Does It Make Sense?
Skived & roller burnished tubes are particularly attractive when production efficiency and consistent internal bore processing are important.
The skiving operation removes the required material efficiently, while roller burnishing then improves the bore surface.
This makes SRB processing suitable for many production environments where large quantities of hydraulic cylinder tubes need to be processed consistently.
For OEM manufacturers producing cylinders in higher volumes, the manufacturing efficiency of SRB processing can become an important consideration.
Which Has Better Surface Finish?
This is one area where buyers sometimes oversimplify the comparison.
It is not correct to say that every honed tube automatically has a better surface finish than every SRB tube, or vice versa.
The final result depends on:
Starting tube condition
Machining parameters
Tooling
Material
Bore diameter
Required tolerance
Production control
Both processes can produce an internal surface suitable for hydraulic cylinder seals when properly controlled.
The important point is to specify the actual surface roughness and bore requirements, rather than selecting a process based only on the name of the process.
What About the Bore Geometry?
For a hydraulic cylinder, internal diameter alone is not enough.
The bore also needs suitable control of:
Roundness
Straightness
Cylindricity
Internal diameter variation
These characteristics influence the relationship between the cylinder barrel, piston and sealing elements.
Honing can be used to correct and refine the internal bore geometry.
SRB processing can also achieve controlled dimensional and geometric characteristics when the starting tube and machining process are properly selected.
For critical applications, buyers should therefore ask for the required dimensional tolerances rather than simply specifying "honed" or "SRB."
Which Process Is Better for Large Production Runs?
Production volume can influence the decision.
When a hydraulic cylinder manufacturer is producing large quantities of similar cylinders, processing efficiency becomes more important.
SRB processing can be advantageous in this type of production because the skiving and roller burnishing operations are designed for efficient internal machining.
For example, a manufacturer producing large batches of similar cylinder barrels may benefit from a dedicated SRB production setup.
Honing remains highly useful, particularly where the bore specification, cylinder size or production requirements make it the appropriate process.
The right choice depends on the actual production line rather than production volume alone.
What About Small and Medium Production Runs?
For smaller production batches or products with frequently changing bore specifications, honing can be more flexible in some manufacturing environments.
This can be useful for:
Custom hydraulic cylinders
Replacement cylinder components
Multiple bore sizes
Low-volume OEM production
Engineering and prototype orders
However, this does not mean SRB tubes are unsuitable for customized products.
The key consideration is whether the supplier's equipment and tooling can efficiently support the required tube dimensions and quantities.
Which One Is More Cost-Effective?
There is no fixed answer.
A buyer comparing the price of a honed tube and an SRB tube should consider the complete manufacturing route.
The cost can be influenced by:
Tube material
Bore diameter
Wall thickness
Tube length
Machining allowance
Production quantity
Tooling
Inspection requirements
Additional processing
For high-volume production, a more efficient machining process can have a significant effect on the total cost.
For smaller orders, flexibility and setup requirements may be more important.
Therefore, the cheapest tube per meter is not necessarily the lowest-cost solution for the finished hydraulic cylinder.
Can SRB Tubes Replace Honed Tubes?
In many hydraulic cylinder applications, SRB tubes can be used instead of traditionally honed tubes when the resulting bore meets the required specifications.
But "replace" should not mean simply changing the product name on a purchase order.
The manufacturer should first verify:
ID tolerance
Surface roughness
Roundness
Straightness
Cylindricity
Seal requirements
Material requirements
If these requirements are satisfied, the SRB process can be a suitable alternative for the cylinder design.
On the other hand, if an existing cylinder design has been developed specifically around a particular honed bore specification, changing the manufacturing process should be evaluated rather than assumed to be equivalent.
Which One Should You Choose for a Hydraulic Cylinder?
A practical comparison looks like this:
| Requirement | Honed Tube | SRB Tube |
|---|---|---|
| Precision internal bore | Excellent | Excellent |
| Controlled surface finish | Yes | Yes |
| Hydraulic cylinder barrel | Common choice | Common choice |
| High-volume production | Suitable | Particularly attractive |
| Custom / varied specifications | Suitable | Depends on equipment |
| Further internal machining | Usually not required if supplied finished | Usually not required if supplied finished |
| Process | Abrasive honing | Skiving + roller burnishing |
| Main selection factor | Bore and surface requirements | Bore requirements + production efficiency |
This table should not be treated as a ranking.
The two processes can overlap considerably in their final application. The important difference is how the required bore is produced and how that process fits the customer's manufacturing requirements.
What Should You Tell the Tube Supplier?
If you are requesting a quotation for either a honed tube or an SRB tube, provide as much of the actual cylinder requirement as possible.
Useful information includes:
Inside diameter
Outside diameter or wall thickness
ID tolerance
Tube length
Steel grade
Surface roughness
Straightness
Roundness or cylindricity requirements
Quantity
Application
Seal requirements, if available
This information allows the supplier to determine whether honing or SRB processing is more appropriate.
It also avoids a common problem in tube sourcing: selecting a machining process first and trying to make the cylinder design fit it afterward.
Honed Tube or SRB Tube: The Practical Decision
For hydraulic cylinder manufacturing, there is no universal winner between honed tubes and skived & roller burnished tubes.
Choose a honed tube when the application and production process call for a precision honed bore and the established honing route fits your requirements.
Consider an SRB tube when efficient internal machining, consistent bore production and high-volume manufacturing are important factors.
Most importantly, compare the finished bore, not just the machining process.
If two tubes meet the same required ID tolerance, roundness, straightness and surface condition, the better choice is usually the one that fits your production process and total cost more effectively.
For an OEM hydraulic cylinder manufacturer, that is the real purpose of comparing honed tubes with SRB tubes: not finding one process that is always better, but choosing the process that gives the required bore quality with the right balance of performance, production efficiency and cost.






