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Description
Technical data die inch 3/8 inch
| Technical data | ||
|---|---|---|
| Nominal diameter d1 inches/mm | G 3/8 in | 16.66 mm |
| Thread pitch P inches/mm | 19 threads per inch | 1.33 mm |
| Outside diameter d2 | 45 mm | |
| Thickness h1 | 14 mm | |
| Number of chip clearance holes | 5 | |
| Required shaft diameter | 16.54 mm | |
| Thread angle G | 55° | |
| Thread standard | BSP DIN ISO 228 | |

Die 3/8 inch G HSS – compact tool for pipe threads in pneumatic and hydraulic systems
Die 3/8 inch is a precision tool designed to cut G (BSPP) parallel pipe threads with a 55° thread angle. Made of high-speed steel (HSS), this inch pipe threading die ensures accurate threading of steel and copper pipes and brass components. Compliance with DIN 2423 ensures compatibility with pneumatic and hydraulic fittings used in industry.
Key advantages of the 3/8 inch pipe threading die
- HSS high-speed steel – allows machining of materials with tensile strengths up to 800 MPa while maintaining cutting edge durability
- BSPP parallel thread with a 55° profile – enables leak-tight connections with a gasket in pneumatic and hydraulic systems
- Outside diameter 16.66 mm – meets the BSP standard for the nominal size of 3/8 inch
- Manufactured in accordance with DIN 2423 – confirms dimensional compliance with inch pipe thread standards
- Precision flutes – ensure clean chip evacuation when threading small and medium diameters
The 3/8 inch pipe threading die is one of the most commonly used sizes in pneumatic and hydraulic applications. It is used in compressed air systems, oil systems, sanitary fittings, and industrial automation. The tool is suitable for threading steel and copper pipes and brass components.
The 3/8 inch threading die is indispensable equipment for pneumatic technicians and installers. Order a tool that combines precision with versatility.
Frequently asked questions
The 3/8 inch value (9.525 mm / 0.95 cm) is the nominal pipe size, not the thread diameter. The BSP system was developed to account for wall thickness, so the actual outside diameter of the G 3/8 thread is 16.66 mm.
The G (BSPP) thread has a parallel design with a uniform diameter along its entire length. These connections do not seal on their own – a flat gasket, O-ring, or Teflon tape is required.
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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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