Precision CNC Machined Necked Flanges & Internal Thread Components
Product Overview
Our high-precision CNC machined necked flanges and internal thread components are engineered for exceptional performance in demanding industrial
applications. Manufactured using advanced CNC turning and milling
processes, these components deliver exacting tolerances and
reliable functionality.
Key Features
✔ Premium Materials: Available in stainless steel (304/316), carbon
steel, and alloy steel
✔ Precision Manufacturing: Tight tolerances to ±0.05mm with Ra
0.8-3.2μm surface finishes
✔ Durable Construction: Heat-treated options available for enhanced
wear resistance
✔ Custom Solutions: Tailored dimensions, thread specifications
(metric/UN/BSW), and special coatings
Technical Specifications
- Diameter Range: 10mm to 500mm
- Pressure Rating: Up to 6000 PSI (varies by material)
- Temperature Range: -50°C to 800°C
- Thread Standards: ISO, ANSI, DIN, or custom profiles
Applications
• Hydraulic and pneumatic systems
• Power generation equipment
• Oil & gas pipelines
• Heavy machinery and automotive assemblies
Quality Assurance
• 100% dimensional inspection
• Material traceability documentation
• ISO 9001 certified production
Precision CNC Machined Components - Technical Specifications
| Parameter | Necked Flanges | Internal Thread Components |
|---|
| Material Grades | 304/316 Stainless Steel, Carbon Steel, Alloy Steel | Same as flanges + Brass |
| Size Range | OD: 10-500mm, ID: 8-450mm | M3-M120 threads, 5-400mm length |
| Wall Thickness | 2-50mm (±0.1mm) | 1.5-30mm (±0.05mm) |
| Tolerance | ±0.05mm (standard), ±0.02mm (precision) | ±0.03mm (standard), ±0.01mm (precision) |
| Pressure Rating | Up to 6000 PSI (dependent on material) | 1000-10000 PSI (thread dependent) |
| Thread Standards | N/A | Metric, UN, BSW, NPT, BSPP, BSPT |
| Surface Finish | Ra 0.8-3.2μm (standard) | Ra 0.8-1.6μm (thread surfaces) |
| Heat Treatment | Annealed, Quenched & Tempered options | Stress-relieving available |
| Temperature Range | -50°C to 800°C | -50°C to 650°C (thread dependent) |
| Certifications | ISO 9001, PED, ASME (on request) | ISO 9001, DIN/ANSI thread standards |
| Additional Features | Weld preps, Grooves, Counterbores | Thread locking features, Chamfers |
FAQ
Q1: What materials do you typically use for these components?
A: We primarily machine:
- Stainless Steel (304, 316, 316L)
- Carbon Steel (1018, 1045, 4140)
- Alloy Steel
- Brass (for threaded components)
Special materials available upon request.
Q2: What tolerances can you maintain?
A: Our standard capabilities:
- Standard: ±0.05mm
- Precision: ±0.02mm
- Ultra-precision: ±0.01mm (additional cost applies)
Tighter tolerances possible for critical dimensions.
Q3: Can you work with our custom designs?
A: Absolutely. We specialize in:
- Custom drawings/specifications
- Reverse engineering
- Design for manufacturability advice
- Prototype development
Q4: What thread standards do you support?
A: We machine all major standards:
- Metric (M)
- Unified (UNC/UNF)
- British (BSW/BSF)
- Pipe threads (NPT/NPTF, BSPP/BSPT)
- Special threads to customer specs
Q5: How do you ensure quality?
A: Our quality process includes:
- 100% dimensional inspection
- Material certification (MTR)
- Surface finish verification
- First article inspection reports
- ISO 9001 certified processes
Q6: What surface finishes are available?
A: Standard options:
- As-machined (Ra 3.2μm)
- Fine machined (Ra 1.6μm)
- Precision finish (Ra 0.8μm)
Special finishes: - Electropolishing
- Bead blasting
- Passivation
Q7: What's your typical lead time?
- Production runs: 4-6 weeks
Expedited services available.
Q8: What industries do you serve?
A: Our components are used in:
- Oil & gas
- Aerospace
- Hydraulics/pneumatics
- Power generation
- Semiconductor
- Medical equipment
