Trustworthy 316 Stainless Steel Bushing – CNC Precision Manufacturing

We specialize in the precision CNC machining and overall manufacturing of various stainless steel bushings, dedicated to providing critical support and guiding components for hydraulic equipment and pump/valve systems, offering excellent wear resistance, outstanding corrosion resistance, and stringent dimensional tolerances.

Leveraging advanced multi-axis CNC machining centers, professional tolerance design, and rigorous surface quality control, we ensure that every stainless steel bushing possesses precise internal and external cylindrical accuracy, excellent surface finish, and stable service life, meeting the operational requirements of high loads, high speeds, and harsh environments.

Stainless steel, with its excellent mechanical strength, superior corrosion resistance, and good anti-galling properties, has become the ideal choice for high-reliability, long-life bushings. In modern industry, which demands low maintenance, high cleanliness, and long-term stable operation of equipment, precision CNC-machined stainless steel bushings are core components for achieving accurate guidance, reliable support, and low-friction operation.

Trustworthy 316 Stainless Steel Bushing – CNC Precision Manufacturing

I. Professional Stainless Steel Bushings CNC Machining Manufacturer

1) Austenitic Stainless Steel 304, 316L: Excellent overall corrosion resistance, suitable for food, chemical, and general industries.

2) Martensitic Stainless Steel 420, 440C: High hardness and wear resistance can be achieved through heat treatment, suitable for medium-to-high load, low-speed applications.

3) Precipitation Hardening Stainless Steel 17-4PH: Combines high strength, good toughness, and corrosion resistance, suitable for high-stress, corrosive environments.

4) Duplex Stainless Steel 2205: Extremely high strength and excellent corrosion resistance, suitable for harsh chemical and marine environments.

II. One-Stop Precision Machining and Surface Strengthening Services

1) High-Precision Internal Hole Turning/Boiling: Using high-rigidity CNC lathes or precision boring machines, the inner hole of the bushing is precision machined to ensure dimensional accuracy, excellent roundness, cylindricity, and low surface roughness, providing precise support and low-friction operating conditions for the shaft.

2) Precision Forming of Outer Diameter and End Face: Strict control over the fit dimensions, roundness, and perpendicularity of the end face between the outer diameter and the mounting hole ensures precise assembly and reliable positioning of the bushing in the seat hole.

3) High-efficiency machining of lubricating oil grooves/holes: Precisely machine various straight oil grooves, spiral oil grooves, oil holes, or oil sacs according to lubrication design requirements to ensure effective distribution and continuous supply of lubricant.

4) Deformation control of thin-walled parts: For thin-walled bushings, we employ specialized fixtures, optimized cutting parameters, and multi-process machining strategies to effectively control machining stress and deformation, ensuring the dimensional stability of the finished product.

5) Professional heat treatment and surface treatment: We provide solution treatment, aging treatment, or quenching and tempering to meet hardness requirements. Surface treatments include precision polishing, electropolishing, and PVD coating to significantly improve the overall performance and lifespan of the bushings.

III. Intelligent Manufacturing System for High-Precision Components

1) We implement strict quality control standards to ensure that every bushing meets the highest performance requirements:

2) Process control: First-piece full-size coordinate measuring machine inspection, critical dimension SPC statistical process control.

Company Profile

    We are a manufacturer integrating industry and trade. We have more than 20 years of experience in production technology. We are located in Dongguan City, Guangdong Province, China. We have advanced high-end professional production and processing technology, and are committed to innovative R&D and production. After years of  market tempering and exploration, it has high-quality   technical management personnel, experienced designers, R&D personnel and a   perfect company management system cnc precision.

5-axis CNC workshop

         Our factory has a plant area of about 2,000 square meters and masters core processing technologies. It has high-end precision production equipment cnc precision: CNC lathes, 5-axis CNC, 4-axis CNC, stamping equipment, die-casting equipment, etc. 2.5-dimensional detection equipment ​

two-dimensional testing

cnc precision surface treatment

          For surface treatment, our suppliers have been working with us for many years. They have rich experience and are familiar with all the quality requirements of each other. The quality is stable and more guaranteed. Such as: heat treatment, spray painting, powder coating, blackening, silver/gold plating, electrolytic polishing, nitriding, phosphating, nickel/zinc/chromium/TiCN plating, anodizing, polishing, passivation, sandblasting, galvanizing, heat treatment , hardening, laser marking, etc. according to customer requirements. Aluminum alloy surface oxidation

Product Packaging

Packaging Details

1. Commercial packaging: 1pc/plastic bag + color box +carton + pallet;
2. Industrial packaging: (1). plastic tube + carton + pallet; (2). plastic bag + kraft paper + carton + pallet;
3. According to the requirement of customer.