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Achieve tolerances up to ±0.005mm in a single setup. Perfect for impellers, blisks, and multi-sided geometric parts.

Our machines can process your custom metal and plastic parts.

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Precision 4-Axis CNC Metal Machining Services

Single-Setup 4-Axis Rotary Machining | Tight-Tolerance Custom Metal Parts | ISO 9001:2015 Certified | Free DFM Analysis | Prototype to Production

Upload your CAD files (STEP, IGS, STL, DWG, DXF, SolidWorks) to receive a competitive quotation, free DFM feedback, and expert engineering support within 24 hours.

Precision 4-Axis CNC Metal Machining Services

Precision 4-axis CNC machining uses a rotary fourth axis (A-axis or equivalent rotary axis) to machine multiple surfaces, cylindrical features, and complex indexed geometries in a single setup. Compared with traditional 3-axis machining, it reduces repeated fixturing, improves positional accuracy, and delivers more consistent results for complex metal components.

By minimizing setup changes, 4-axis CNC machining provides better concentricity control, improved runout accuracy, repeatable dimensional consistency, and shorter production lead times. It is ideal for custom metal parts requiring rotary features, multi-sided machining, and precise mechanical alignment.

Sindh Machining provides custom 4-axis CNC milling and machining services for industries including industrial automation, aerospace, medical equipment, semiconductor machinery, robotics, and precision instruments. From prototype development to production runs, our engineering team supports material selection, DFM analysis, machining optimization, and comprehensive inspection with traceable quality documentation.

Supported Materials for 4-Axis CNC Machining

Sindh Machining provides 4-axis CNC machining for a wide range of metals, supporting prototype development, low-volume production, and repeat manufacturing.

Material Category	Common Grades	Typical Applications
Aluminum Alloys	6061, 7075, 2024	Aerospace parts, automation components, fixtures, housings, lightweight structures
Stainless Steel	303, 304, 316L, 416, 17-4 PH	Medical components, shafts, corrosion-resistant parts, industrial equipment
Brass, Copper & Bronze	Various grades	Electrical connectors, bushings, valves, fluid control components
Titanium Alloys	Ti-6Al-4V	Aerospace structures, medical implants, high-strength lightweight parts
Carbon Steel & Alloy Steel	Various grades	Gears, shafts, tooling components, heavy-load mechanical parts
Nickel Alloys	Inconel	High-temperature, chemical-resistant, aerospace and industrial applications

Material certification reports and inspection documentation are available upon request.

Other Materials Available for Custom Machining

4-Axis CNC Machining Applications Across Industries

Sindh Machining provides precision 4-axis CNC metal components for industries requiring multi-sided machining, rotary features, and consistent dimensional accuracy.

Rotary shafts, joint housinRotary shafts, joint housings, indexing fixtures, gear sleeves, robot componentsgs, indexing fixtures, gear sleeves, robot components

Rotary shafts, valve bodies, fluid connectors, surgical components

Structural parts, sensor housings, fasteners, precision mechanical components

Vacuum components, precision housings, connectors, rotary parts

Calibration fixtures, encoder housings, precision rotary bases

Machining Specifications & Tolerances

Feature	Capability
Core Machining Processes	4-axis rotary milling, drilling, tapping, grooving, chamfering, precision indexing
Standard Tolerance	±0.02–0.05 mm (depending on material and geometry)
High-Precision Tolerance	Up to ±0.005 mm for selected critical features
Inspection Standards	ISO 2768, with verification of concentricity, runout, flatness, and perpendicularity
Surface Finishing Options	Deburring, anodizing, passivation, bead blasting, polishing, laser marking
Accepted CAD Formats	STEP, IGES, Parasolid, SolidWorks, Creo, CATIA, DXF, DWG
Minimum Order Quantity	From 1 prototype to volume production

Why Choose Sindh Machining for 4-Axis CNC Metal Machining?

Single-setup machining reduces re-fixturing errors while improving concentricity, positional accuracy, and dimensional consistency for complex metal parts.

Every part is inspected using CMM equipment with material traceability and inspection reports available upon request.

From one-piece prototypes to volume production, we provide DFM support, surface finishing, and worldwide delivery.

3-Axis vs. 4-Axis vs. 5-Axis CNC Machining

3-Axis CNC Machining
Best for simple flat parts and basic machining operations. It offers the lowest cost but requires multiple setups for multi-sided components, increasing the risk of positioning errors.
4-Axis CNC Machining
Ideal for rotary shafts, cylindrical parts, threaded features, and multi-sided metal components. Single-setup machining improves concentricity, reduces re-fixturing errors, and provides the best balance of precision, efficiency, and cost.
5-Axis CNC Machining
Designed for highly complex freeform geometries and continuous multi-angle machining. It delivers maximum flexibility but is typically unnecessary for standard indexed rotary parts.

Not sure which process is right for your part? Upload your CAD files and our engineers will recommend the most cost-effective machining solution based on your design, tolerance requirements, and production volume.

FAQ

What tolerances can you achieve for 4-axis CNC metal machining?

Standard tolerances are ±0.02 mm, with up to ±0.005 mm achievable for selected features, depending on material, geometry, and inspection requirements.

Can you sign an NDA before production?

Yes. We provide NDA agreements to protect your CAD files, technical drawings, and proprietary product designs.

What CAD file formats do you accept?

We accept STEP, IGES, SolidWorks, Creo, CATIA, DXF, and DWG files. STEP and IGES are recommended for the best compatibility.

Do you provide surface finishing and material certification?

Yes. We offer anodizing, passivation, bead blasting, polishing, laser marking, along with material certificates (MTRs) and inspection reports upon request.