Product Specification

Ball head stainless steel chemical screws, precise M5 screw rod CNC turning service

Application & Characteristics of Ball Head Long Axis Adjustment Screws in Chemical Equipment Hardware

1. Core Application Scenarios (Chemical Equipment Hardware)

1. Pre‑tightening and Gap Compensation of Sealing Surfaces
   • Uniform compression of flanges, manholes and sight glasses. The ball head adapts to slight unevenness of sealing surfaces to prevent medium leakage.
   • Axial force fine‑tuning of stuffing boxes and mechanical seals to control sealing pressure.
    
2. Equipment Level / Verticality Adjustment
   • Base adjustment of towers, reactors and pump units. Long axis provides large adjustment stroke.
   • Displacement compensation of pipe supports and expansion joints to absorb thermal expansion and vibration.
    
3. Linkage of Valves and Actuators
   • Valve stem connection and feedback adjustment of control valves. Ball head transmits thrust while allowing angular deviation.
   • Connecting rod adjustment of pneumatic / electric actuators to ensure stable action.
    
4. Positioning of Mixing and Transmission Systems
   • Concentricity calibration of mixing shafts and reducers. Ball head long axis enables multi‑dimensional fine‑tuning.
    

2. Core Product Characteristics

1. Structural & Functional Features
   • Self‑aligning ball head: ±5°~±15° angular compensation, uniform stress, anti‑loosening.
   • Long axis with large stroke: wide adjustment range for large chemical equipment.
   • Precision thread transmission: good self‑locking, stable positioning, smooth adjustment.
   • Composite load resistance: withstands axial thrust, radial bending moment and vibration.
    
2. Material & Environmental Adaptability
   • Corrosion resistance: 304, 316L stainless steel, duplex steel, Hastelloy, etc.
   • High strength: 8.8/10.9 grade alloy steel for high‑pressure working conditions.
   • Surface protection: passivation, Teflon coating, nickel plating for wide temperature range.
    
3. Quality & Reliability
   • High dimensional accuracy, good coaxiality, low surface roughness.
   • Cold heading parts feature continuous grain, higher tensile strength and longer fatigue life.
    

3. Dual‑Process Solution by Situo: Machining vs Cold Heading

1) Process Comparison

• Machining

   

  Material removal process, high flexibility, suitable for small batches, special shapes and high precision requirements.
   
• Cold Heading

   

  Cold extrusion forming, high material utilization, high efficiency, stable performance, cost reduced by 30%+ in mass production.
   

2) Advantages of Dual‑Process Combination

• Cost optimization: cold heading for mass standard parts, machining for small‑batch customized parts.
• Delivery control: fast mass production by cold heading, flexible sample making by machining.
• Quality stability: compliant with ISO9001, full inspection of key dimensions.
• Customization: customizable materials, specifications and surface treatments.
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We have introduced advanced equipment and technology from Japan and Germany (CNC 5-axis and 6-axis machines) to better serve our customers' needs.

Our maximum processing outer diameter is 60, and the minimum control tolerance is 0.001. We have Japanese CNC Tsugami, CNC Citizen, multi-station cold extrusion forming machines, 500T press machines, casting equipment, and various process equipment, which can effectively provide customers with the best technical solutions.

Our company has a total of 300 employees, including 20 technicians, 10 engineers, and 15 quality control personnel. We have over 300 pieces of equipment.

Our company implements 8S management and has passed ISO9001 and TS16949 automotive certifications.

Our customers include , bo-sch, Foxconn, Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.