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Description
Technical data of hand tapping machine 3 inch G
| Technical data | ||
|---|---|---|
| Nominal diameter d1 inch/mm | G 3 inch | 88.70 mm |
| Thread pitch P inch/mm | 11 turns per inch | 2.309 mm |
| Overall length l1 | 160 mm | |
| Length of working part l2 | 40 mm | |
| Diameter of shank part d2 | 50 mm | |
| Size of square drive a | 39,0 mm | |
| Threaded bore diameter | 85,24 mm | |
| Threaded hole diameter C | (2÷3) P | |
| Thread angle G | 55 degrees | |
| Thread standard | BSP DIN ISO 228 | |
Hand Tap 3 inch G for pipes
Hand Tap 3 Inch G DIN 5157/2 HSS Fwp is a specialized 2-piece set (ripper + finisher) designed for manual cutting of large G-type(BSP - British Standard Pipe) pipe threads with a cylindrical profile of 55 degrees. Made of durable and wear-resistant HSS, it guarantees precise thread guidance and long life even when working in harder materials.
The 3-inch G thread has an outside diameter of 88.701 mm, according to ISO 228-1, and is used in industrial water, gas, HVAC, and process systems requiring reliable large-diameter pipe connections.
Fwp 's 3-inch pipe threader complies with DIN 5157/2, which means that the set consists of two tools for staged and safe threading: a roughing tool for pre-treatment and a finishing tool for final shaping of the profile.
- 2-Piece Set (DIN 5157/2) - peeler threader and finisher for precision hand threading.
- Thread 3 inch G - external diameter 88.701 mm (according to ISO 228-1).
- Thread profile of 55 degrees - in accordance with the British standard BSP, ensures tight connections.
- Material: HSS high-speed steel - wear-resistant, durable and suitable for steel, cast iron, non-ferrous metals.
- For professional use - in plumbing, gas and installation industries.
Hand Tap 3 Inch G DIN 5157/2 HSS Fwp is a reliable tool for installers and locksmiths who require high precision and BSP compliance when working with large pipe diameters.
Steps for cutting 3 inch threads in 2-piece set: ripper and finisher
Frequently asked questions
1. Why is the G 3 inch thread cutter 88.70 mm in diameter? G 3 inch how much is mm? And how many cm is it?
The question "G 3 inch how many mm" or "G 3 inch how many cm" often arises when selecting tools for pipe threading. Contrary to appearances, the value of 3 inches(that is, 88.70 mm or 8.87 cm) does not mean the diameter of the thread, but the nominal size of the pipe to which the thread fits. In practice, a G 3 inch thread has an outside diameter of 88.7 mm, because G (BSP) pipe threads are designed for pipes with thick walls.
For this reason, always check the thread diameter value in the technical data, and do not convert inches directly to millimeters. In the BSP system, the thread size is a result of the design of the entire installation, not just the nominal dimension.
2. Is the G thread a tapered thread and does it provide tightness?
No. G thread (BSP) is a cylindrical pipe thread, which means that its diameter is constant along its entire length. Unlike tapered threads (designated as R or BSPT), G thread connections are not self-sealing. This means that a G thread does not provide a seal by itself - it requires an additional sealing element, such as a flat gasket, O-ring or plastic washer. Such a sealing method is commonly used in hydraulic, pneumatic and industrial installations.
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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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