OEM CNC machined precision specific thread pipe fittings to drawing in China
We specialize in the production of CNC machined pipe fitting in China, delivering precision turned thread fitting, custom coupling, adapter, and threaded fitting solutions manufactured to exact customer drawings and specifications.
As a trusted supplier of special custom threaded pipe fittings, we combine advanced CNC machining technology with decades of threading expertise to produce custom machining pipe fitting in China for hydraulic, pneumatic, instrumentation, and industrial fluid systems worldwide.
From single prototype components to high-volume production runs, every specific thread fitting is manufactured with strict process control and full dimensional verification to ensure consistent performance and interchangeability across your entire system.
Precision Threaded Pipe Fittings
Core Machining Capabilities
Custom Thread Manufacturing
We produce specific thread profiles according to customer drawings, including full customization of crest, root, pitch diameter, major diameter, minor diameter, thread angle, and lead. Our CNC turning centers produce threads with precise surface finish and dimensional accuracy for sealing and load-bearing applications.
CNC Turning & Milling
Our CNC machined pipe fitting in China production line features multi-axis turning centers and milling machines capable of producing complex geometries, tight tolerances, and high surface quality. We handle both symmetrical rotational parts and precision-machined adapter bodies with secondary operations.
Threaded Fitting Types
We manufacture a complete range of threaded fitting products including coupling, adapter, nipple, plug, bushing, union, elbow, tee, cross, and custom connector configurations. Each fitting can be produced with male, female, or mixed thread forms on different ends per drawing requirements.
Drawing-Based Production
All special custom threaded pipe fittings are manufactured strictly to your 2D drawings and 3D models. We review every dimension, tolerance, thread specification, surface finish requirement, and material grade before production to ensure full compliance with your engineering specifications.
Material Grades & Standards
Our precision turned thread fitting and custom machining pipe fitting in China are available in a comprehensive range of materials across international standards. We work with carbon steel, stainless steel, alloy steel, brass, bronze, aluminum, and specialty alloys to match your application requirements for pressure, temperature, corrosion resistance, and mechanical strength.
| Material Category | ASTM / ASME Standard | Common Grade / UNS Number | Typical Applications |
|---|---|---|---|
| Carbon Steel | ASTM A105, ASTM A106, ASTM A53 | A105 Gr.B, A106 Gr.B, 1020, 1045 | General industrial piping, hydraulic systems, high-pressure applications |
| Stainless Steel 304 | ASTM A182, ASTM A312 | 304 / 304L, UNS S30400 / S30403 | Food processing, water treatment, general corrosion resistance |
| Stainless Steel 316 | ASTM A182, ASTM A312 | 316 / 316L, UNS S31600 / S31603 | Marine, chemical processing, saltwater, pharmaceutical |
| Duplex Stainless Steel | ASTM A182, ASTM A790 | 2205, UNS S31803 / S32205 | Offshore, oil & gas, high-corrosion environments |
| Alloy Steel | ASTM A182, ASTM A335 | F11, F22, F91, 4130, 4140 | High-temperature, high-pressure, power generation |
| Brass & Copper Alloy | ASTM B16, ASTM B138 | C36000, C37700, C46400 Naval Brass | Plumbing, instrumentation, low-pressure fluid systems |
| Aluminum Alloy | ASTM B211, ASTM B221 | 6061-T6, 7075-T6, 2024-T4 | Aerospace, lightweight systems, pneumatic applications |
| Monel / Nickel Alloy | ASTM B164, ASTM B564 | Monel 400, UNS N04400, Hastelloy C276 | Extreme corrosion, chemical processing, marine |
Thread Standards & Custom Profile Capabilities
Our CNC machined pipe fitting in China facility supports all major international thread standards and fully custom specific thread profiles. We can engineer and produce any thread form with precise control over crest radius, root radius, thread height, pitch, lead, flank angle, and taper to meet your exact performance requirements for sealing, strength, and assembly.
Standard Thread Forms
- NPT / NPTF (National Pipe Taper / Dryseal)
- BSPT / BSPP (British Standard Pipe Taper / Parallel)
- UN / UNF / UNC (Unified National Coarse / Fine)
- Metric M-thread (ISO 724, ISO 965)
- Metric tapered thread (ISO 7-1)
- JIS B0203 (Japanese tapered pipe thread)
- SAE straight thread (O-ring boss, SAE J514)
- ACME / Trapezoidal thread forms
- Buttress thread for high axial loads
- Whitworth BSW / BSF thread forms
Custom Thread Engineering
- Custom crest form and root radius modification
- Special pitch diameter and tolerance class control
- Modified thread angles for specific sealing requirements
- Multi-start thread and lead screw production
- Custom taper ratios beyond standard NPT / BSPT
- Left-hand thread configurations
- Reduced and enlarged thread diameters
- Hybrid thread forms on same component
- Thread relief and undercut profiles to drawing
- Full thread verification with calibrated gauges
Every precision turned thread fitting undergoes thread verification using calibrated ring gauges, plug gauges, and optical measurement systems. We produce special custom threaded pipe fittings with thread classes ranging from loose fit to precision interference fit, ensuring proper make-up, sealing performance, and mechanical strength in your assembled system.
Manufacturing & Inspection Capabilities
Prototype & Low Volume
We support single-piece and small-batch production for custom machining pipe fitting in China, ideal for product development, testing, and initial qualification.
Our flexible production setup allows rapid turnaround of custom specific thread fittings, coupling, and adapter designs without minimum order quantity restrictions.
First article inspection (FAI) reports are provided with every prototype batch, including full dimensional data, material certification, and thread verification results.
Medium & High Volume Production
For serial production requirements, we offer fully optimized manufacturing processes with dedicated tooling, fixtures, and automated inspection to ensure consistent quality at scale.
Our CNC machined pipe fitting in China production capacity covers medium batch runs from hundreds to thousands of pieces, as well as high-volume annual supply agreements.
Statistical process control (SPC), process capability studies, and batch traceability are standard for all high-volume precision turned thread fitting programs.
Industry Applications
Our special custom threaded pipe fittings and CNC machined pipe fitting in China serve a wide range of industries where reliable fluid connections, precise threading, and material compatibility are critical.
Hydraulic Systems
High-pressure hydraulic fittings, adapters, and couplings for mobile and industrial hydraulic equipment with precision thread sealing.
Oil & Gas
Corrosion-resistant threaded fittings for upstream, midstream, and downstream applications in onshore and offshore environments.
Instrumentation
Precision instrumentation tube fittings and threaded connectors for process measurement, control systems, and analytical equipment.
Marine & Shipbuilding
Saltwater-resistant threaded pipe fittings for ship piping systems, ballast systems, and marine fluid handling applications.
Chemical Processing
Chemical-resistant alloy threaded fittings for corrosive fluid transfer, process piping, and industrial chemical systems.
Food & Beverage
Hygienic stainless steel threaded fittings for food processing, beverage production, and sanitary fluid handling systems.
Power Generation
High-temperature alloy threaded pipe fittings for power plants, steam systems, and energy generation infrastructure.
Aerospace & Defense
Precision-machined threaded fittings with strict dimensional control and material traceability for aerospace fluid systems.
Why Source Your Threaded Fittings From Us
As a specialized manufacturer of custom machining pipe fitting in China, we focus exclusively on precision CNC machined threaded components. Every specific thread coupling, adapter, and threaded fitting is produced under controlled manufacturing conditions with full inspection at every production stage.
Our engineering team works directly with your technical department to optimize designs for manufacturability, thread performance, and cost efficiency. We provide full technical support from drawing review through production, ensuring that your special custom threaded pipe fittings meet all functional and dimensional requirements.
- Complete custom thread manufacturing including crest, root, pitch, and profile control
- Full range of material options across ASTM, DIN, JIS, and GB standards
- From single prototype pieces to high-volume serial production
- Comprehensive dimensional and thread inspection with 2D and 3D measurement
- Strict process control and batch traceability for every production lot
- Direct manufacturing from customer drawings with engineering support
Quality & Process Control
Our production process for CNC machined pipe fitting in China follows strict quality control procedures from raw material incoming inspection through final packaging.
Each precision turned thread fitting undergoes dimensional verification, thread gauge inspection, surface finish measurement, and visual inspection before shipment. We maintain full traceability of material certificates, heat numbers, and inspection records for every production batch.
We also offer additional value-added services including passivation, electropolishing, zinc plating, nickel plating, black oxide, and various coating treatments to enhance corrosion resistance and surface performance of your threaded fitting components.
Whether you need a standard coupling, a custom specific thread adapter, or a fully engineered special threaded pipe fitting solution, we have the machining capability, threading expertise, and quality systems to deliver consistent results on every order.
About Us
We provide custom machined parts, 5-axis linkage CNC machining, and the design, production, and assembly of machinery and equipment.