CNC Boring S275JR Steel from VT machining delivers precision S275JR Steel parts made to your exact drawing. Boring enlarges and finishes existing holes to precise diameter, roundness and surface finish, with parameters tuned to S275JR Steel, which is strong, economical and widely available.
CNC Boring Capability for S275JR Steel
- Carbon/low-alloy grades
- Economical & weldable
- Tolerance to ±0.02 mm
- Hardenable by heat treat
Machining S275JR Steel with CNC Boring
S275JR Steel behaves predictably under CNC Boring once parameters are dialled in: machinability is good to excellent depending on carbon content; free-machining grades cut cleanly, and we tune the operation accordingly.
We hold reference parameters for this grade, so repeat orders of S275JR Steel run consistently from one batch to the next.
CNC Boring Quality & Inspection
We control quality throughout the process, not just at the end. In-process checks plus final inspection — including CMM where specified — keep every S275JR Steel part to print. Inspection reports, material certificates and first-article documentation can be supplied on request.
CNC Boring Tolerances & Surface Finish
Turned S275JR Steel holds diameter tolerances to about ±0.005 mm with concentricity within 0.01 mm and good roundness. Turned finishes of Ra 0.4–0.8 µm are achievable with finishing passes and sharp tooling.
Final tolerances are governed by the material's behaviour, wall thickness and overall stiffness. We give honest DFM feedback if a callout would be costly or better achieved another way.
Why S275JR Steel?
S275JR Steel is chosen when a part needs what this grade offers — it is strong, economical and widely available. We confirm the grade and any temper or heat-treat condition with you before machining.
Secondary Operations & Finishing
Finished S275JR Steel parts can move straight into secondary operations under one roof. Typical add-ons are deburring, passivation, anodising, plating, blasting, polishing and laser marking. We coordinate the whole chain so you receive complete, inspection-ready parts.
Design Tips for CNC Boring S275JR Steel
We are happy to suggest design tweaks that improve manufacturability. Consistent diameters, standard thread forms and avoiding extremely long, slender features help S275JR Steel turned parts stay concentric and economical. If you send your model early, we will return practical DFM feedback before you commit to production.
Applications of CNC Boring S275JR Steel
Customers order CNC Boring S275JR Steel components for everything from instrumentation to structural and functional assemblies. Whether you need a single prototype or recurring production volume, the same process discipline applies.
How to Order CNC Boring S275JR Steel
Getting a quote is simple. Share your model, the material grade, your quantity and target tolerances. You receive a clear quotation with lead time and honest manufacturability feedback.
S275JR Steel in Other Processes
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Need CNC Boring S275JR Steel for your project? Send your drawing and quantity for a fast quotation.
Request a QuoteFrequently Asked Questions
What surface finish is achievable on S275JR Steel with CNC Boring?
Surface finish on S275JR Steel is controlled to your specification; we confirm the achievable Ra against your callout.
Why is S275JR Steel a good choice for CNC Boring?
S275JR Steel is strong, economical and widely available, which makes it well suited to CNC Boring. We tune the process to the alloy so the finished S275JR Steel turning part meets your dimensional and functional requirements.
Does CNC Boring S275JR Steel require dedicated tooling?
Most S275JR Steel turning work uses standard cutting tools and CNC programs; dedicated fixtures are made only when geometry or volume requires them.
Can VT machining make custom S275JR Steel parts to my drawing?
Yes. S275JR Steel S275JR Steel turning is made to order from your CAD/2D drawing. Share your geometry, material grade, tolerance and quantity and we will confirm feasibility, lead time and pricing.
What material thickness or size range suits CNC Boring S275JR Steel?
Turned S275JR Steel parts are produced from bar or chuck stock across a wide diameter range.