Aluminum alloy hexagonal mechanical nuts, offering CNC processing services for the medical field

Application of Hexagon Nuts in Medical Industry

Medical Hardware Standards for Export to Different Countries

1. Applications in Medical Industry (Specific Products)

1.1 Surgical Implants & Orthopedic Fixation (Implantable)

• Orthopedic Internal Fixation System

   

  Products: Locking nuts for bone plates, hexagon nuts for spinal screw-rod systems, pin fixation nuts, hex buttons.

   

  Usage: Permanent or semi-permanent implantation for fracture reduction and spinal fusion.

   

  Materials: Ti-6Al-4V, 15-5 PH stainless steel, PEEK.

   

  Features: Biocompatibility, high strength, low modulus, non-magnetic, body fluid corrosion resistance.
   
• Dental Implants

   

  Products: Abutment hex locking nuts, prosthesis fixation nuts.

   

  Usage: Connecting implant to abutment or crown, bearing occlusal force.

   

  Materials: Pure titanium, Ti-6Al-4V, medical stainless steel.

   

  Features: High-precision threads, fatigue resistance, corrosion resistance, non-magnetic.
   

1.2 Life Support & Respiratory Equipment (Non-implantable)

• Ventilators & Anesthesia Machines

   

  Products: DISS standard hex nuts, connector lock nuts, gas module fasteners.

   

  Usage: Sealed connection for medical gases, internal component fixing.

   

  Materials: 316L stainless steel, brass, medical-grade polymers.

   

  Features: DISS anti-mismatch, reliable sealing, disinfection-resistant, MRI-compatible.
   
• Nebulizers & Infusion Pumps

   

  Products: Hex nuts for tubing and pump components.

   

  Usage: Sealing for drug delivery systems, structural fastening.

   

  Materials: 316L, PEEK, PPSU.

   

  Features: Acid and alkali resistance, high-temperature sterilization resistance, low precipitation, easy cleaning.
   

1.3 Medical Imaging Equipment (MRI / CT / DR)

• MRI Equipment

   

  Products: Fixing nuts for gradient coils, RF coils, and bed components.

   

  Usage: Structural fastening in strong magnetic fields.

   

  Materials: Brass, titanium alloy, non-magnetic stainless steel, PEEK.

   

  Features: Non-magnetic, high rigidity, vibration resistance, dimensional stability.
   
• CT & DR Equipment

   

  Products: Detector fixing nuts, gantry and table lock nuts, collimator adjustment nuts.

   

  Usage: Precise positioning of optical and electronic components.

   

  Materials: 316L, aluminum alloy, titanium alloy.

   

  Features: High precision, rigidity, long-term vibration resistance.
   

1.4 Surgical Instruments & Diagnostic Devices

• Surgical Instruments

   

  Products: Hinge nuts for forceps/scissors, laparoscopic instrument lock nuts.

   

  Usage: Joint locking, functional component fixation, repeated autoclaving.

   

  Materials: 316L, 420/440 stainless steel.

   

  Features: Repeated sterilization resistance, corrosion resistance, Ra ≤ 0.8 μm.
   
• Endoscopes & Ultrasound Equipment

   

  Products: Housing fixing nuts, probe connector lock nuts.

   

  Usage: Sealing and positioning of optical and electronic parts.

   

  Materials: 316L, titanium alloy, PEEK.

   

  Features: Waterproof, disinfection-resistant, low magnetic, high precision.
   

1.5 Rehabilitation & Nursing Equipment

• Rehabilitation Devices

   

  Products: Wheelchair and hospital bed adjustment nuts, orthosis fixation nuts.

   

  Usage: Structural connection, angle and height adjustment.

   

  Materials: 304/316L, high-strength aluminum alloy.

   

  Features: Wear resistance, corrosion resistance, easy adjustment.
   
• Nursing Equipment

   

  Products: Infusion stand and monitor fixing nuts, guardrail lock nuts.

   

  Usage: Assembly and positioning of mobile medical devices.

   

  Materials: 304, carbon steel with medical plating.

   

  Features: Easy cleaning, corrosion resistance.
   

2. Core Characteristics of Medical Hexagon Nuts

1. Material Properties
    
   • Biocompatibility: ISO 10993 for implantable devices.
   • Corrosion resistance: 316L, titanium alloy, PEEK preferred.
   • Non‑magnetic / Low magnetic: Required for MRI/CT environments.
   • High strength, fatigue resistance, stress corrosion resistance.
    
2. Precision & Manufacturing
    
   • Thread precision: ISO 6g/6H or higher.
   • Surface finish: Ra ≤ 0.8 μm, burr-free, no dead corners.
   • Processes: Cold forming, CNC turning, thread rolling, vacuum heat treatment.
    
3. Function & Compliance
    
   • Sealing and locking: Flanged or metal lock nuts for critical applications.
   • Sterilization compatibility: Autoclave, EO, plasma sterilization.
   • Traceability: UDI, batch coding, ISO 13485, CE MDR, FDA QSR.
    

3. Medical Standards for Hardware Export to Major Countries

3.1 European Union (EU)

• Core Regulation: MDR 2017/745
• QMS: ISO 13485
• Certification: CE marking
• Biocompatibility: ISO 10993
• Environment: RoHS 2.0, REACH
• Sterilization: ISO 11135, ISO 11137, ISO 17665
• Labeling: UDI, EUDAMED registration

3.2 United States (USA)

• Regulation: FDA 21 CFR Part 820 (QSR)
• Clearance: 510(k), PMA (high-risk), or general registration
• Material Standards: ASTM F899, ASTM F136, ASTM F2026
• Biocompatibility: ISO 10993 / FDA guidelines
• Labeling: UDI, FDA-compliant labeling

3.3 Japan (JP)

• Regulation: Pharmaceutical and Medical Devices Act
• Authority: PMDA registration
• Standards: JIS T series, ISO 13485, ISO 10993
• Environment: Japan RoHS
• Documentation: Japanese labeling and IFU

3.4 China (CN)

• Regulation: Medical Device Supervision Regulations
• QMS: YY/T 0287 (ISO 13485)
• Approval: NMPA registration (Class I: filing; II, III: registration)
• Biocompatibility: GB/T 16886 (ISO 10993)
• Labeling: UDI, Chinese labels and manuals

3.5 Other Major Markets

• Canada: Health Canada, CMDCAS, ISO 13485
• Australia: TGA registration, ISO 13485
• South Korea: MFDS, KC certification
• Brazil: ANVISA, INMETRO

4. Export Compliance Checklist for Medical Hex Nuts

1. Quality system: ISO 13485
2. Market certification: CE, FDA, PMDA, NMPA, etc.
3. Material reports: Material certificate, RoHS, REACH
4. Biocompatibility: ISO 10993 test report (implantable)
5. Performance tests: Tensile, torque, fatigue, salt spray, disinfection resistance
6. Surface quality: Ra ≤ 0.8 μm, clean, pyrogen control
7. Technical files: Design history, risk analysis (ISO 14971), sterilization validation
8. Traceability: UDI, batch records, labeling

5. Material Selection Guide for Medical Applications

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 Siemens, bo-sch, Foxconn, Panasonic Motors, Husqvarna, Shimano, NVIDIA, DJI Drones, Siegenia, and Cater-pillar.