We specialize in end-to-end precision machining services, dedicated to efficiently transforming high-quality metal blanks into structurally optimized, dimensionally accurate external threaded fittings. This comprehensively meets the customized needs of pneumatic equipment, fluid pipelines, and instrumentation for component sealing and reliability.
304 stainless steel threaded pipe fitting Trustworthy CNC machined
We select premium materials such as 304 stainless steel, 316L stainless steel, brass, and carbon steel, and professionally manufacture high-precision external threaded fittings through CNC precision machining. These materials possess excellent strength, good machinability, and corrosion resistance. Through CNC machining and appropriate heat treatment and surface treatment processes, we achieve a balance between precision thread forming, sealing surface accuracy, and long-term pressure resistance reliability, making them ideal for manufacturing fluid transmission systems with high requirements for connection strength, sealing, and corrosion resistance.
Each external threaded fitting undergoes CNC precision machining to ensure a precise thread profile, accurate pitch, and a smooth sealing surface. Optimized structural design and strict tolerance control ensure reliable connection and zero-leakage sealing performance of the joints under high pressure and vibration conditions, effectively improving the overall efficiency and safety of the fluid system.
By selecting 316L stainless steel or brass, combined with scientific solution treatment and aging processes and precision machining, CNC-machined external thread joints achieve precision requirements of thread pitch diameter accuracy ≤0.005mm, tooth profile accuracy ≤0.01mm, and sealing surface roughness Ra≤0.4μm. Simultaneously, relying on the high strength and corrosion resistance of the materials, they withstand long-term exposure to high-pressure fluids, temperature changes, and complex media.
We use multi-axis CNC machine tools and automated production lines to ensure that every external thread joint meets stringent thread accuracy and sealing requirements. Through integrated CAD/CAM systems for processing simulation and process optimization, combined with professional stress relief, CNC precision turning, thread milling, and surface treatment processes, we have achieved the optimal balance between precision thread forming, sealing surface accuracy, and pressure resistance. During the manufacturing process, we pay particular attention to key factors such as thread pitch diameter accuracy, tooth profile, sealing surface roughness, and surface passivation treatment effectiveness.
We are committed to providing high-quality external thread connector solutions for the fluid transmission and control industry through advanced material applications, CNC machining technology, and rigorous quality management. From fluid dynamics analysis and optimized sealing structure design to CNC precision manufacturing and surface protection, every step reflects our professional pursuit of performance and reliability, providing crucial support for zero-leakage and stable, reliable system operation.
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 
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
Packaging Details
Q1: Where can I get product & price information?
A1: Send us an inquiry e-mail, we will contact you once we received your mail.
Q2: How long will I get the sample?
A2: Depends on your specific items, within 3-7 days generally.
Q3: What kinds of information do you need for a quote?
A3: Kindly please provide the product drawings in PDF, if provide in STEP or IGS will be better.
Q4: What are the payment terms?
A4: We accept 50% as a payment deposit, when the goods are prepared, we shoot photos or videos for your check, and then you can pay the balance. For small quantities, we accept Paypal, the commission will be added to the order. For big amounts, T/T is preferred.
Q5: How to deliver the goods?
A5: We deliver the products by courier company.
Q6: Are you a trading company or factory?
A6: We are factory direct with 17 experienced engineers and more than 50 employees as well approximate 3,000m2 workshop area.
Q7: What shall we do if we don't have drawings?
A7: Please send your sample to our factory, then we can copy and provide you better solutions. If send us pictures or drafts with dimensions(Length, Height, Width), CAD or 3D file will be made for you.
Q8: Can we get some samples before mass production?
A8: Absolutely yes.
Q9: Will my drawings be safe after sending them to you?
Q10: Is it possible to know the operation status of my products without visiting your company?
A10: We will offer a detailed production schedule and send weekly reports with digital pictures and videos which show the machining progress.
