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Description
Technical data for the G 1/8 inch left-hand die
| Technical data | ||
|---|---|---|
| Nominal diameter d1 inches/mm | G 1/8 in | 9.73 mm |
| Thread pitch P inches/mm | 28 threads per inch | 0.90 mm |
| Outside diameter d2 | 30 mm | |
| Thickness h1 | 11 mm | |
| Number of chip clearance holes | 4 | |
| Required shaft diameter | 9.62 mm | |
| Thread angle G | 55° | |
| Thread standard | BSP DIN ISO 228 | |
Die 1/8 inch left-hand G HSS – precision tool for the smallest left-hand threads
Die 1/8 inch left-hand is used for cutting parallel pipe threads left-hand to the G (BSPP) standard with a 55° thread angle. Made from high-speed steel (HSS), it provides high durability when machining pipes and connectors with the smallest diameters. Compliance with DIN 24231 guarantees the dimensional precision required for such small threads.
Features of the 1/8 inch left-hand die for specialized applications
- High-hardness HSS steel – allows machining of materials with tensile strengths up to 800 MPa while maintaining cutting edge sharpness
- Left-hand BSPP parallel thread profile with a 55° angle – designed for gas connections and systems requiring protection through thread direction
- Thread major diameter 9.73 mm – determined by the BSP standard for a nominal size of 1/8 inch
- Manufactured in accordance with DIN 24231 – ensures compatibility with miniature gas and pneumatic fittings
- Compact design – designed for use on thin-walled tubing and precision connectors
The 1/8 inch left-hand die is used for servicing gas equipment, installing regulators for small portable cylinders, and working on specialized laboratory gas dosing systems. This smallest left-hand thread size is also found in precision automation and measuring equipment requiring protection against accidental unscrewing.
Choose the 1/8 inch left-hand G HSS die when you need to cut a left-hand thread on tubing with a minimal diameter. An essential tool for gas equipment service technicians and industrial automation technicians.
Frequently asked questions
The nominal value of 1/8 inch (3.175 mm / 0.3175 cm) defines the pipe size in the BSP system, not the thread diameter. The pipe standard adds the wall thickness, so the actual major diameter of the G 1/8 thread is 9.73 mm.
The 1/8 inch BSP left-hand thread is used in miniature gas regulators, precision metering valves, and laboratory equipment for industrial gases. The left-hand thread direction prevents errors when connecting flammable gases.
Product accessories
Left-hand hand tap 1/8 inch G DIN 5157/2 HSS
Reference: 0000006631 In stock > 10 items
€11.05
€13.59 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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