M4 internal and external thread serrated safety equipment connection component CNC machining hardware
I. Materials and Processes: The Dual Advantages of National Standard Brass and Precision Machining
1. Material Properties of National Standard Brass
National Standard Brass (such as H62, H59, etc.), as the core material for these components, offers multiple advantages:
- Excellent Machinability: Brass has good plasticity and low cutting resistance, making it highly suitable for precision machining operations such as turning, milling, and threading, enabling efficient high-precision forming of internal and external threads.
- Good Electrical and Thermal Conductivity: This makes it perform exceptionally well in electrical connections and heat-dissipating components.
- Corrosion and Wear Resistance: It exhibits high stability in humid environments with mild corrosive media, while also providing a degree of wear resistance, extending the service life of the components.
- Cost-Effectiveness: Compared to other copper alloys like red copper or bronze, National Standard Brass delivers superior cost advantages while maintaining performance, making it ideal for large-scale industrial production.
2. Technological Value of Precision Machining
The production of through-hole components with internal and external threads relies on mature precision machining processes, which endow the products with the following core values:
- High Precision and Consistency: Through equipment such as CNC lathes and machining centers, strict control over critical parameters such as thread accuracy (e.g., 6H/6g), coaxiality, and perpendicularity can be achieved, ensuring interchangeability and compatibility within the international supply chain.
- Complex Structure Capability: It can machine complex structures such as integrated internal and external threads, multiple steps, chamfers, and knurling to meet installation and functional requirements in diverse scenarios.
- Customization Capability: Custom production can be carried out according to the specific drawings and standards of international customers (e.g., ISO, DIN, ANSI), enabling rapid response to the diverse demands of the global market.
II. Core Application Scenarios in International Manufacturing
Leveraging their material and process characteristics, these brass through-hole components with internal and external threads are widely deployed across multiple key sectors of international manufacturing:
1. Electrical and Electronic Equipment Manufacturing
- Connectors and Terminal Components: Serving as internal thread bases for circular connectors and terminal blocks, they ensure reliable electrical connections between wires and equipment, and are widely used in industrial control, communication base stations, and household appliances.
- Switches and Relays: Inside precision switches and relays, they act as conductive and structural support components, utilizing brass's conductivity to ensure stable signal transmission.
2. Industrial Automation and Robotics
- Pneumatic and Hydraulic Systems: As threaded joints in pneumatic components and hydraulic valve blocks, they enable quick connection and sealing of pipelines, ensuring stable transmission of fluid power in automated production lines.
- Robotic Arms and Actuators: In precision motion components such as servo motors and linear modules, they serve as adjustment and locking elements, leveraging brass's damping and wear resistance to enhance the smooth operation of the system.
3. Automotive and Rail Transportation
- On-Board Electrical Systems: Used in the connection of components such as headlights, sensors, and ECUs, brass's corrosion resistance can withstand the high-temperature and humid environment inside vehicles.
- Brake and Fuel Systems: As pipeline joints, they guarantee the sealing and reliability of fluid transmission, complying with the stringent safety standards of the international automotive industry.
4. Medical Devices and Precision Instruments
- Diagnostic and Therapeutic Equipment: In medical devices such as ultrasound machines and patient monitors, they act as structural connectors. Brass's non-magnetic properties and biocompatibility (after special treatment) meet the stringent requirements of the medical industry.
- Measurement and Analytical Instruments: As adjustment and fixation elements in optical instruments and spectrometers, their high-precision characteristics ensure the accuracy of measurement results.
5. Shipbuilding and Offshore Engineering
- Deck and Cabin Equipment: As corrosion-resistant threaded connectors, they are applied in navigation and communication equipment to resist the erosion of marine salt spray environments.
- Underwater Equipment: In devices such as ROVs and underwater sensors, they serve as sealing and connecting components, ensuring stable operation in deep-sea environments.
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.
| OUR CAPACITY |
| Main product names: |
Stainless steel screws, carbon steel screws, pins, rivets, nuts, |
| eccentric nails, embedded parts, and other fasteners. |
| Business Type |
Factory / Maufacture |
| Service |
CNC Machining |
| Turning and Milling |
| CNC Turning |
| Cold heading |
| stamping |
| Assembly Service |
| Material |
1). Aluminum: AL 6061-T6, 6063, 7075-T etc |
| 2). Stainless steel:303,304,304L,316L,316F,630,410,420,430, etc |
| 3). Steel: 4140, Q235, Q345B,20#,45# 1215,12L14 ,1144,1006,1008,1010,1015,1018 ,10B21,1035,1065 etc. |
| 4)Alloy steel:5140,4135,4140,3435,5120,415 ,435,440 etc |
| 5). Titanium: TA1,TA2/GR2, TA4/GR5, TC4, TC18 etc |
| 6). Brass: C36000 (HPb62), C37700 (HPb59), C26800 (H68), C22000(H90),C27000,C51900,C11000,C3604,H62,H65 etc |
| 7). Copper, bronze, Magnesium alloy, Delrin, POM,Acrylic, PC, etc. |
| Finish |
Sandblasting, Anodize color, Blackenning, Zinc/Nickl Plating, Polish, |
| Power coating, Passivation PVD, Titanium Plating, Electrogalvanizing, |
| electroplating chromium, electrophoresis, QPQ(Quench-Polish-Quench), |
| Electro Polishing,Chrome Plating, Knurl, Laser etch Logo, etc. |
| Drawing format |
STEP,STP,GIS,CAD,PDF,DWG,DXF etc or samples. |
| Tolerance |
+/-0.01mm ~ +/-0.05mm |
| Surface roughness |
Ra 0.1~3.2 |
| Inspection |
Complete inspection lab with Micrometer, Optical Comparator, Caliper Vernier,CMM |
| Depth Caliper Vernier, Universal Protractor, Clock Gauge, Internal Centigrade Gauge |











