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The 1/8 inch BSW hand tap has a nominal diameter of 0.125 inches and a thread pitch of 40 threads per inch TPI based on the British Standard Whitworth specification. The thread angle is 55 degrees, enhancing strength and ensuring uniform stress distribution. This tap is typically made from high-speed steel HSS with high wear and heat resistance. Its overall length usually ranges between 30 to 50 millimeters, and precise chip grooves guarantee high-quality threading. The square shank allows easy fitting into a tap wrench.
This tap is suitable for cutting internal threads in medium-hard metal parts. The recommended drill size for the pilot hole is 2.7 millimeters to achieve optimal thread engagement. The suggested manual operating speed is about 15 revolutions per minute. The 1/8 BSW tap is widely used in machining, repair, and installation industries and is ideal for fine and precise threading tasks.
WEBSITE: HAND TAPS 1/8 BSW Iran
