Advantage
Powerful Solutions for Your Projects
Rapidly produce high-quality custom parts through the flexible, integrated architecture of our Advanced Manufacturing Solutions.
Build Quality
Efficient CNC Solutions for Complex Needs
All parts are produced, inspected, and delivered in accordance with the exact specifications outlined in the engineering drawings.
High-Precision CNC Machining Capabilities
Kinbest employs advanced multi-axis CNC machines and optimized programming to reduce lead times and improve efficiency. We deliver high-precision parts on time, from prototype to full production.
materials
Available materials for CNC machining
We provide instant quotes for a broad range of metals and plastics, suitable for CNC machining across diverse industries. Ideal for both one-off prototypes and precision custom parts.
Carbon Steel
Carbon steel is versatile, with good machinability and strength, suitable for structural parts, machinery components, and moderate wear applications.
Stainless Steel
Stainless steel offers high corrosion resistance and mechanical strength. Grades like 304 and 316 are used extensively in medical, food processing, and aerospace CNC machined parts.
Aluminum Alloy
Aluminum alloys provide excellent machinability, lightweight properties, and corrosion resistance, ideal for aerospace, automotive, and consumer electronics components.
Copper
Copper is prized for its electrical and thermal conductivity. It is machined into precision parts such as connectors, heat exchangers, and electronic components.
Brass
Brass is easily machinable with good corrosion resistance and is used in plumbing fixtures, electrical components, and decorative machined parts.
Titanium Alloy
Titanium AlloyTitanium alloys offer high strength-to-weight ratios and excellent corrosion resistance, making them suitable for aerospace, medical implants, and high-performance CNC parts.
Tool Steel
Tool steels are characterized by hardness, wear resistance, and toughness, ideal for manufacturing molds, dies, and tooling components requiring high durability.
Plastics
ngineering plastics such as POM, PTFE, ABS, and Nylon offer lightweight, corrosion-resistant, and electrically insulating properties, used widely for functional prototypes and specialized components.
CNC Machining Tolerance Table
Tolerances vary by material and part complexity. Critical features follow customer specs or ISO standards.
| Tolerance Type | Feature | Typical Tolerance Range | Notes | ||||||
| Dimensional Tolerance | Linear Dimensions | ±0.01 mm to ±0.05 mm | Depends on material, part size, and machining method | ||||||
| Hole Diameter | ±0.005 mm to ±0.02 mm | Tighter tolerances achievable with reaming or finishing | |||||||
| Thread Diameter | ±0.01 mm | Conforms to standard thread tolerance classes | |||||||
| Depth | ±0.01 mm to ±0.05 mm | Varies based on feature and machining process | |||||||
| Form Tolerance | Flatness | 0.01 mm to 0.05 mm | Critical for assembly and sealing surfaces | ||||||
| Straightness | 0.01 mm to 0.05 mm | Essential for shafts, guides, and sliding components | |||||||
| Orientation Tolerance | Perpendicularity | 0.01 mm to 0.03 mm | Ensures accurate mating between features | ||||||
| Parallelism | 0.01 mm to 0.03 mm | 0.01 mm to 0.03 mm | |||||||
| Profile Tolerance | Surface Profile | 0.01 mm to 0.05 mm | Governs the contour accuracy of complex shapes and surfaces | ||||||
| Runout Tolerance | Circular Runout | 0.005 mm to 0.02 mm | Important for rotating parts requiring precision balance | ||||||
*Please clearly indicate tolerances for nominal sizes below 0.5mm on your technical drawing.
CNC Machining Surface Finishes
Advantage
Enhance corrosion protection, surface hardness, and dimensional stability of CNC-machined parts through precision surface treatments that also improve overall appearance.
Supporting Services
Enhance corrosion protection, surface hardness, and dimensional stability of CNC-machined parts through precision surface treatments that also improve overall appearance.
Quality Assurance
Comprehensive test data—film thickness, hardness, color matching, salt spray, and adhesion—is provided upon request to guarantee finish integrity.
At Kinbest, we manufacture your custom mechanical parts in strict accordance with industry and customer standards. Each part is delivered with complete inspection documentation, ensuring full traceability and compliance throughout the process.
Order Process
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Trusted by Top Companies in Various Industries
We work with leading companies across automotive, aerospace, electronics, medical, and industrial sectors. Through continuous process and quality improvement, we integrate precision, reliability, and service into every customer project.
