Customized non-standard stainless steel bolts CNC machined special parts for automated equipment

We specialize in the precision CNC machining and overall manufacturing of various stainless steel bolts, studs, and irregularly shaped fasteners, committed to providing key connection components with excellent mechanical properties, superior corrosion resistance, and strict dimensional tolerances for chemical equipment, rail transportation, and high-end equipment. Relying on advanced multi-axis CNC machining centers, professional thread forming technology, and strict heat treatment process control, we ensure that every stainless steel bolt meets stringent requirements for tensile strength, fatigue resistance, and long-term rust prevention, providing reliable protection for structural safety under complex working conditions.

Stainless steel, with its excellent strength and toughness, broad corrosion resistance, and good high-temperature performance, has become the preferred material for high-reliability fastening connections. In modern industry, which pursues safety throughout the entire equipment lifecycle, low maintenance costs, and strict hygiene standards, high-quality stainless steel bolts are a core element for achieving structural integrity, reliable sealing, and long-term stable operation.

Customized non-standard stainless steel bolts CNC machined special parts for automated equipment

I. Professional stainless steel bolts CNC Machining Manufacturer

1) Austenitic Stainless Steel: General-purpose corrosion resistant, suitable for most environments.

2) Martensitic Stainless Steel: Higher strength can be obtained through heat treatment.

3) Precipitation Hardening Stainless Steel: Combines high strength, good toughness, and corrosion resistance.

4) Duplex Stainless Steel: Extremely high strength and excellent corrosion resistance.

II. One-Stop Precision Machining and Performance Enhancement Services

1) High-Precision Screw Turning and Forming: Utilizing high-precision CNC lathes, the bolt shank is precisely turned, with strict control over diameter, roundness, straightness, and surface finish, providing a high-quality base material for thread machining.

2) High-Performance Thread Precision Machining: Employing thread rolling or CNC thread milling processes. Roll rolling strengthens the material fibers through cold forming, significantly improving thread strength, surface hardness, and fatigue resistance; thread milling is suitable for large-diameter, special tooth profiles, or difficult-to-machine materials, offering high flexibility. We ensure thread accuracy reaches 6g/6H or higher standards.

3) Complex Head Precision Forming: Employing cold heading or CNC milling technology, various head shapes and drive structures are precisely machined, ensuring dimensional accuracy and consistent appearance.

4) Professional Heat Treatment and Surface Treatment: Providing solution treatment, aging treatment, or quenching and tempering for stainless steel to meet target strength grades.

5) Full Inspection and Performance Testing: We conduct 100% inspection of thread gauges and dimensional sampling, and provide batch-specific mechanical performance test reports and corrosion resistance test reports.

III. Intelligent Manufacturing System for High-Standard Industries

We have built a digital production and quality control system that complies with international standards such as ISO 898 and ISO 3506. From raw material spectral analysis and process parameter monitoring to final product inspection, we achieve full-process traceability. We are equipped with automated production and testing equipment to ensure a high degree of consistency in product performance under large-volume orders.

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.