Customizable HSS NPT ANSI Machine Taps | OEM/ODM Threading Solutions from Xingrui Precision Tools
1. Product Overview
As a premier specialized manufacturer, JiangSu Xingrui Precision Tools Co., Ltd. offers professional-grade NPT (National Pipe Taper) machine taps designed for high-pressure sealing and industrial piping applications
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Superior Material Grade: Constructed from industrial-grade HSSE and Powder Metallurgy (HSSE-PM) to withstand high torque and resist thermal wear in tough materials
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Advanced Coating Technology: Features high-performance TiAlN or TiN coatings that increase surface hardness and significantly extend tool life
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Precision Engineering: Manufactured with specialized flute geometries for optimized chip evacuation, preventing thread galling during heavy-duty operations
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Global Standard Compliance: Fully compliant with ANSI and ISO standards, ensuring compatibility with international piping specifications
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2. Technical Specifications & Size Chart (SAE)
The following table outlines our standard HSS NPT tap range. These specifications are designed to meet rigorous industrial standards for taper pipe threads
| Order No | NPT Size (inch) | P (TPI) | D1 (mm) | L1 (mm) | L2 (mm) | D2 (mm) | A (mm) | Z (Flutes) |
| 18800300 | 1/16" | 27 | 7.938 | 63.00 | 12.00 | 6.00 | 4.90 | 4.0 |
| 18800400 | 1/8" | 27 | 10.287 | 63.00 | 12.00 | 7.00 | 5.50 | 4.0 |
| 18800500 | 1/4" | 18 | 13.716 | 63.00 | 18.00 | 11.00 | 9.00 | 4.0 |
| 18800600 | 3/8" | 18 | 17.145 | 70.00 | 18.00 | 12.00 | 9.00 | 4.0 |
| 18800700 | 1/2" | 14 | 21.336 | 80.00 | 23.00 | 16.00 | 12.00 | 4.0 |
| 18800800 | 3/4" | 14 | 26.67 | 100.00 | 24.00 | 20.00 | 16.00 | 5.0 |
| 18800900 |
1" |
11 1/2 | 33.401 | 110.00 | 30.00 | 25.00 | 20.00 | 5.0 |
| 18801100 | 1 1/2" | 11 1/2 | 48.26 | 140.00 | 32.00 | 36.00 | 29.00 | 6.0 |
| 1880120 | 2" | 11 1/2 | 60.325 | 160.00 | 34.00 | 45.00 | 35.00 | 6.0 |
3. Advanced Manufacturing Process
Our facility leverages elite production technology to guarantee consistent quality across every batch:
- CNC Production Lines: We utilize multiple high-precision CNC lines to ensure stable product dimensions and geometry.
- Rollomatic Grinding: Integration of advanced ROLLOMATIC equipment ensures ultra-fine surface finishes on cutting edges.
- Research & Development: Backed by years of research and development experience, our processes are refined for maximum tool efficiency.
- Quality Assurance: Every tap undergoes multi-stage inspection to meet ISO 2 6H accuracy requirements
4. Target Application Scenarios
Our NPT taps are engineered for industries requiring high-reliability connections:
- Energy & Petrochemical: Ideal for high-pressure pipeline fittings and valve bodies
- Fluid Power Systems: Trusted for hydraulic and pneumatic components in automotive and aerospace sectors
- Multi-Material Compatibility: Efficiently processes Steel (P), Stainless Steel (M), Cast Iron (K), and Non-ferrous metals (N)
5. Packaging & Logistics
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Secure Protection: Taps are individually housed in durable, anti-corrosion packaging to preserve the integrity of the precision-ground threads
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Clear Labeling: Each package is clearly marked with Order Numbers and specifications for seamless inventory management
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Global Shipping: Reliable export packaging ensures your tools arrive in factory-perfect condition worldwide.
6. Frequently Asked Questions (FAQ)
Q: Can you produce taps for non-standard specifications?
A: Yes, we specialize in manufacturing special specification products tailored to specific customer requirements
Q: What is the benefit of the TiAlN coating on NPT taps?
A: TiAlN coating provides superior thermal stability and hardness, making it ideal for high-speed machining and dry cutting applications.
Q: Do these taps support high-precision machining?
A: Absolutely.Our taps are designed to meet ISO 2 6H standards, ensuring high-precision thread quality and repeatability
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.