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Description
Technical data for the NPT 1/8-27 die
| Technical data | ||
|---|---|---|
| Nominal diameter d1 inches/mm | NPT 1/8-27 inch | 9.72 mm |
| Thread pitch P inches/mm | 27 threads per inch | 0.94 mm |
| Outside diameter d2 | 30 mm | |
| Thickness h1 | 11 mm | |
| Number of chip clearance holes | 6 | |
| Required shaft diameter | 9.99 mm | |
| Thread angle G | 60° | |
| Thread standard | ANSI/ASME B1.20.1 DIN 24230 | |

NPT 1/8-27 HSS 800 die – a taper threading die for precision threaded connections
The NPT 1/8 die is a professional tool for cutting external taper pipe threads with a diameter of 1/8 inch and a pitch of 27 threads per inch. Made of enhanced-strength HSS 800 high-speed steel in accordance with DIN 24230, it is designed for threading small connections in pneumatic, automation, and measurement systems.
Key advantages of the NPT 1/8 pipe threading die
- Precision in small industrial connections – a 1:16 taper and a 60° thread angle ensure leak-tight connections for sensors, pressure gauges, and control valves
- Enhanced strength of HSS 800 steel – enables intensive use and machining of materials with a tensile strength of up to 800 MPa
- Ideal for automation and pneumatics – proven in compressed air installations, control systems, and centralized lubrication systems
- Finest pitch in the NPT series – 27 threads per inch ensures exceptional sealing in miniature connections
- Compliance with DIN 24230 and ANSI/ASME B1.20.1 – ensures compatibility with American pneumatic components
The NPT 1/8 taper threading die is used when installing pressure sensors, measurement transducers, needle valves, and grease gun connections. Inch taper threads of this size are standard in instrumentation fittings and industrial automation.
This tool for hydraulic threads is chosen by automation technicians and pneumatic service technicians performing work that requires precise connections in confined spaces. Order the NPT 1/8 die for professional threading of small industrial connections.
Frequently asked questions
This size is used in pressure sensors, pressure gauges, and control valves. It is also suitable for grease gun connections and pneumatic systems.
HSS 800 is a high-speed steel with enhanced strength of up to 800 MPa. It provides longer service life and better wear resistance under intensive use.
The fine pitch of 27 threads ensures maximum sealing at small diameters. The smaller the NPT thread, the higher the number of threads per inch.
Product accessories
Machine tap NPT 1/8-27 DIN 371 HSSE
Reference: 0000007924 In stock < 10 items
€47.91 brutto
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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