China Wholesale HSS Tap Suppliers - Spiral Flute Tap – MeiWha

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Following are recommendations for the degree of spiral for various materials:

Spiral flute taps are more suitable for processing non-through hole threads (also called blind holes), and the chips are upward during processing discharge. Due to the helix angle, the actual cutting rake angle of the tap will increase as the helix angle increases.

• High spiral flutes 45° and higher – effective for very ductile materials like aluminum and copper. If used in other materials, they will usually cause the chips to nest because the spiral is too • fast and the chip area is too small for the chip to form correctly.
• Spiral flutes 38° – 42° – recommended for medium to high carbon steel or free machining stainless steel. They form a chip tight enough to easily evacuate. On larger taps, it allows for pitch relief to ease the cutting.
• Spiral flutes 25° – 35° – recommended for free machining, low or leaded steels, free machining bronze, or brasses. Spiral flute taps used in brass and tough bronzes normally do not perform well because the small broken chip will not flow up the spiral flute well.
• Spiral flutes 5° – 20° – For tougher materials such as some stainless, titanium or high nickel alloys, a slower spiral is recommended. This allows the chips to be slightly pulled upward but does not weaken the cutting edge as much as higher spirals will.
• Reverse cut spirals, such as RH cut/LH spiral, will push the chips forward and are usually 15° spiral. These work especially well in tubing applications.

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China Wholesale HSS Tap Suppliers - Spiral Flute Tap – MeiWha detail pictures

China Wholesale HSS Tap Suppliers - Spiral Flute Tap – MeiWha detail pictures


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We emphasize progress and introduce new solutions into the market each year for China Wholesale HSS Tap Suppliers - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Ethiopia, Mombasa, luzern, Our company has already have pass the ISO standard and we're fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will likely be the only one can have that merchandise. We hoping that with our good products can bring our customers a great fortune.
  • In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
    5 Stars By Roberta from Tunisia - 2017.03.07 13:42
    The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Yannick Vergoz from New Zealand - 2017.07.28 15:46
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