Diameter Tolerance
Standard mill tolerance or tighter diameter classes can be reviewed according to grade, diameter, finish and downstream machining requirements.
Source titanium round bar, rod and custom profiles in ASTM B348 grades for CNC machining and industrial applications, with diameter, length, tolerance, finish, inspection and documentation reviewed to your requirements.
Define the grade, standard, profile, dimensions, tolerance, finish and inspection requirements before quotation.
Compare titanium bar and rod grades, standards, sizes, finishes and supply options for machining and industrial applications.
*Size range, finish, condition and availability vary by grade, diameter, quantity and purchase requirements. Final supply details are confirmed at quotation.
| Grade | Standard | Current Size Range* | Finish / Condition | Availability |
|---|---|---|---|---|
| Grade 2 | ASTM B348 / B348M | Ø6–100 mm / 0.236–3.937 in | Peeled · Ground · Polished | Confirm Current Status |
| Grade 5 / Ti-6Al-4V | ASTM B348 / AMS 4928* | Ø8–200 mm / 0.315–7.874 in | Peeled · Ground · Polished | Confirm Current Status |
| Grade 7 | ASTM B348 / B348M | Ø10–80 mm / 0.394–3.150 in | Per Order Requirement | Confirm Current Status |
| Grade 23 / Ti-6Al-4V ELI | ASTM B348 / ASTM F136* | Ø5–60 mm / 0.197–2.362 in | Per Specification | Confirm Current Status |
Applicable standards, dimensions, condition and supply status depend on the specific order requirements.
Send grade, diameter, length, quantity and finish requirements for availability review.
Choose round, ground, hollow or custom titanium bar profiles according to machining geometry, tolerance and downstream processing requirements.
Standard round titanium stock for CNC turning, machining, shafts, fasteners and general industrial components.
Ground titanium bar for applications requiring tighter diameter tolerance, improved straightness and controlled surface condition.
Hollow titanium stock for sleeves, bushings, rings and machined components where reduced machining stock may improve material utilization.
Square and rectangular titanium profiles for machining, fabricated components and drawing-based industrial parts.
Hexagonal titanium bar for machined fasteners, fittings and custom precision components.
Forged or drawing-based titanium bar can be reviewed for non-standard sections, larger machining blanks and project-specific component requirements.
*Profile availability, size range, tolerance and finish depend on grade, dimensions, quantity and order requirements.
Send the required profile, grade, dimensions, tolerance and quantity for supply review.
Define the dimensional and surface requirements that affect machining accuracy, fit-up and final-part performance.
Standard mill tolerance or tighter diameter classes can be reviewed according to grade, diameter, finish and downstream machining requirements.
Straightness and roundness requirements can be reviewed for CNC turning, Swiss machining and precision component production.
Peeled, ground or polished surface conditions can be reviewed according to machining allowance and final surface requirements.
Fixed-length cutting and end preparation can be reviewed according to downstream machining and assembly requirements.
| Requirement | What to Specify |
|---|---|
| Diameter | Nominal diameter + required tolerance |
| Tolerance Class | Standard / h6 / h7 / h8 / h9 where applicable |
| Straightness | Required deviation over specified length |
| Roundness | Required where critical to machining |
| Surface | Peeled / ground / polished |
| Surface Roughness | Ra requirement when specified |
| Length | Fixed or project-specific length |
| End Condition | Saw cut / chamfered / machined where available |
| Machining Allowance | Required stock for final machining |
*Tolerance class, straightness, surface finish, roughness and end preparation depend on grade, diameter, length, quantity and processing route.
Ready to specify your requirements?
Send the diameter, tolerance, straightness, surface finish, length and quantity for technical review.
Select cutting, grinding, surface preparation and machining options according to the required bar condition and downstream process.
Cut-to-length and end preparation can be reviewed for machining, fabrication and assembly requirements.Options: Saw Cut · Fixed Length · Chamfered · Machined End*
Centerless grinding and sizing can be reviewed where tighter diameter tolerance, straightness or machining stock control is required.Options: Ground · Peeled · h6–h9 where available*
Surface condition can be prepared according to machining allowance, finish and final-component requirements.Options: Peeled · Prepared · Polished*
Turning, milling, drilling, threading and other custom processing can be reviewed from customer drawings.Specify: Drawing · Grade · Dimensions · Tolerance · Quantity
*Processing method, tolerance, finish and processing location depend on grade, dimensions, quantity and drawing requirements.
Inspection and documentation requirements are reviewed according to the material grade, applicable standard, drawing and purchase order.
Material certificates and heat or lot identification can be supplied according to the agreed order scope. Documents: MTC · Heat No. · Grade · Standard
Diameter, length, tolerance, straightness and surface condition can be checked against drawing or order requirements. Inspection: Diameter · Length · Straightness · Surface
Chemical, mechanical, UT, PT, PMI or other applicable testing can be included when required by the specification or purchase order. Available Review: Chemical · Mechanical · UT · PT · PMI*
Third-party inspection, inspection records, packing documents and shipment documentation can be coordinated when required by the project. Documents: Inspection Report · TPI · Packing List · Shipping Marks
Testing methods, acceptance criteria and documentation scope depend on the applicable material standard, drawing and purchase order.
Send the required standard, inspection scope and documentation requirements for review.
Select titanium bar and rod according to the final component, service environment, machining requirements and applicable material specification.
Titanium round and precision-ground bar for turned, milled, threaded and drawing-based machined components.
Grade 2 and Grade 7 titanium bar can be reviewed for corrosion-resistant components used in chemical and marine equipment.
Grade 5 and other project-specified titanium bar can be reviewed for high-strength, lightweight and precision-machined components subject to customer qualification.
Grade 23 ELI and other specified titanium materials can be reviewed for customer-qualified medical-related and precision applications.
Material selection should be confirmed against the actual service conditions, drawing, applicable standard and customer qualification requirements.
Provide the material, dimensions, tolerance, processing, inspection and delivery requirements needed for an accurate quotation review.
Match grade and performance to your application.
Accurate dimensions, tolerance and standards.
Fabrication and machining support for your design.
Complete records and inspection support.
Secure packing and timely global delivery.
Send the grade, dimensions, quantity and specification for quotation review. For precision-ground, hollow or drawing-based bar, upload the drawing or specification together with the RFQ.
HELE supports industrial buyers with specification review, custom processing, traceability, inspection documentation and international project coordination.
Grade, standard, profile, dimensions, tolerance and condition are reviewed against the drawing or purchase requirements before quotation.
Cut-to-length, grinding, surface preparation and drawing-based machining requirements can be reviewed according to the project scope.
MTC, heat or lot traceability, dimensional inspection and project-specified testing can be included according to the order scope.
Packing, labeling, shipping documentation and delivery requirements can be coordinated for international industrial orders.
Find answers to common questions about grades, standards, dimensions, tolerances, processing, inspection and quotation requirements.
See how we produce, inspect, and document titanium products as a direct manufacturing partner.
See how titanium products move from raw material processing to forming, finishing, and final preparation for shipment.
Raw Material Preparation
Vacuum Melting / VAR Process
Hot Forging & Rolling
Precision Sizing Process
A closer look at the real production environment, equipment, and operational areas behind our titanium manufacturing process.
CNC Machining Area
Precision Grinding Station
Product Storage Area
Production Line Overview
Our quality system covers dimensional control, material verification, surface inspection, and release checks before shipment.
Dimensional Inspection
Ultrasonic Testing
Surface Quality Check
Final Release Inspection
Documentation and certification support are essential for industrial procurement, traceability, and project approval.
Every order can be supported with comprehensive documentation:
Mill Test Certificate Example
ISO Quality Certification
Third-Party Inspection Support
Tell us your grade, diameter, tolerance, finish, and machining requirements. Our team will help you identify the right rod stock for your application.