Precision at the Core, Reliability in Every Connection
Stainless steel connector components serve as critical elements in a wide range of equipment and structures, responsible for load transfer and secure assembly. Manufactured through precision CNC turning, our connectors are developed with a focus on stainless steel materials, offering high fastening strength, excellent corrosion resistance, and accurate fit.
These advantages effectively eliminate common issues such as loosening and wear found in conventional materials, making them a reliable choice for industrial equipment, structural systems, and precision instruments.
We provide full customization to support diverse, small-batch, multi-variety production needs. Dimensions, thread types (imperial, unified, metric, trapezoidal, and custom), and connection structures can all be tailored to specific applications. Simply provide your drawings to receive a fast quotation. With factory-direct supply, we ensure competitive pricing and flexible production schedules for global customers.
Material Selection | Full Stainless Steel Range for Secure Connections
SUS316 Stainless Steel
Connector components are required to withstand continuous assembly stress, vibration, and environmental exposure. Conventional steel is prone to corrosion, while low-strength materials may deform or fracture over time, making them unsuitable for long-term stable connections.
For this reason, we offer high-performance stainless steel options to ensure connection strength, durability, and reliable performance under demanding operating conditions.
Available Stainless Steel Grades (303 / 304 / 316)
303 Stainless Steel
• Excellent machinability, suitable for producing complex stainless steel turned components and customized connector designs in various specifications.
• High strength with strong tensile and shear resistance, ideal for frequent assembly and fastening applications.
• Good resistance to atmospheric corrosion, suitable for indoor and outdoor environments, with low risk of rusting or seizure.
304 Stainless Steel
• Well-balanced overall performance, offering both corrosion resistance and reliable fastening capability for most industrial and residential applications.
• Complies with food-grade safety standards, with no harmful substance release, suitable for medical and food-processing equipment.
• Strong fatigue resistance, maintaining stable connections under long-term vibration without loosening.
316 Stainless Steel
• Contains molybdenum, providing significantly enhanced corrosion resistance compared to standard stainless steel, suitable for coastal, humid, and chemically aggressive environments.
• High-strength load-bearing capability, ideal for heavy-duty equipment and large structural connections.
• Excellent performance across a wide temperature range, maintaining stable connection performance from -270°C to 870°C.
Typical Chemical Composition
|
Material |
Key Elements |
|
303 Stainless Steel |
Cr: 17.00–19.00% · Ni: 8.00–10.00% · Mn: ≤2.00% |
|
304 Stainless Steel |
Cr: 18.00–20.00% · Ni: 8.00–12.00% · C: ≤0.08% |
|
316 Stainless Steel |
Cr: 16.00–18.00% · Ni: 10.00–14.00% · Mo: 2.00–3.00% |
Manufacturing Process | Precision Stainless Steel Machining Parts
Our stainless steel machining parts are produced using advanced CNC machining with strict process control:
• One-piece construction eliminates joints, ensuring uniform structure and balanced stress distribution, reducing the risk of failure at connection points.
• Precision tolerance control: key interface tolerances within ±0.01 mm, fit clearance ≤0.03 mm for accurate assembly.
• Optimized fastening design: threads comply with 6H standards, with full thread profiles for smooth engagement and anti-loosening performance under vibration.
• Surface finishing options: passivation, polishing, and sandblasting to enhance corrosion resistance, wear resistance, and assembly smoothness.
• Full inspection process: material verification → CMM dimensional inspection → tensile and shear testing → thread inspection → salt spray testing.
All parts are delivered with 100% quality assurance.
Key Advantages
Precise fit
Geometric tolerance ≤0.02 mm, ensuring compatibility with a wide range of assemblies.
Flexible customization
Supports interface sizes (3–50 mm), connection structures, and thread types for diverse applications.
Export-ready solutions
Neutral or branded packaging available, compliant with international shipping standards, with flexible lead times (7–10 days for small batches, 15–30 days for mass production).
Core Specifications
|
Category |
Specification |
|
Machining Accuracy |
Key dimension tolerance ±0.01 mm, fit clearance ≤0.03 mm |
|
Geometric Tolerance |
Coaxiality ≤0.02 mm, perpendicularity ≤0.03 mm |
|
Surface Treatment Options |
Passivation / Polishing / Sandblasting (various finishes available) |
|
Salt Spray Resistance |
303/304 ≥48 hours, 316 ≥100 hours |
|
Maximum Machining Size |
Outer diameter ≤60 mm, length ≤200 mm (larger sizes customizable) |
|
Tensile Strength |
≥520 MPa (304 standard) |
Suitable for a wide range of industries and connection scenarios:
Industrial automation equipment connections
Structural fastening in construction
Precision instrument interfaces
Medical device connectors
Automotive component connections
Marine and corrosion-resistant applications
Electronic equipment assembly
Custom tooling and specialized fixtures
Food processing and chemical equipment
Our Commitment
We specialize in precision CNC turning and have extensive experience in the production of stainless steel machining parts, particularly connector components. Our designs are optimized for different industry applications, supported by a mature global service system.
From drawing evaluation and design optimization to production, delivery, and after-sales support, we provide one-to-one professional service throughout the entire process. Every connector we produce is built to deliver reliability and precision, making it a trusted choice among stainless steel machining parts for customers worldwide.
Customization & Support
Custom designs, sample requests, and bulk quotations are all supported.
We look forward to working with you.
FAQ
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