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The 1/8 G water pipe hand tap is designed according to the BSPP British Standard Pipe Parallel standard and has a nominal diameter of 1/8 inch, equivalent to 9.728 millimeters. It features a thread pitch of 28 threads per inch TPI with a 55-degree thread angle. The thread type is parallel, intended for connections that require sealing with a washer or O-ring. This tap is typically made from high-speed steel HSS with a surface hardness of 60 to 65 HRC, offering good resistance to wear and heat. The overall length usually ranges from 45 to 65 millimeters, and the square shank is designed for use with a hand tap wrench.
The recommended pilot drill diameter for this tap is approximately 8.8 millimeters to ensure maximum compatibility with the thread profile. The ideal manual threading speed is between 10 to 15 revolutions per minute. This tap is used for creating parallel threads in water, air, or low-pressure fluid pipe fittings. It is commonly applied in pneumatic systems, hydraulics, and residential or industrial installations. High manufacturing quality and precise chip flute geometry ensure accurate threads and long service life.
WEBSITE: HAND TAPS 1/8 G Iran
Given the widespread use of this tap size in small pipe fittings, having a high-quality tool ensures time savings, reduced work errors, and extended tool life. If you work in plumbing, industrial piping, or mechanical repairs, purchasing a 1/8 G hand pipe tap is essential for precise threading in small-diameter pipes.
This specialized tool is precisely engineered to create standard G or BSP threads, making it ideal for connections in water, air, steam, and other light fluid transfer systems.
At our store, we offer a wide selection of 1/8 G hand pipe taps from trusted brands like VOLKEL, WODEX, ZEBRA, NAREX, ALATA, KOHLER, and ADOLAN — all backed by guaranteed authenticity, optional calibration certificates, and competitive pricing.
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