China Wholesale Drilling And Tapping Machine Manufacturers - Spiral Flute Tap – MeiWha

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Dedicated to strict high-quality management and considerate purchaser support, our experienced employees members are usually available to discuss your specifications and be certain full shopper satisfaction for Mill Sharpener, Drill, BE-ER Holders, Through more than 8 years of business, we have accumulated rich experience and advanced technologies in the production of our products.
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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 Drilling And Tapping Machine Manufacturers - Spiral Flute Tap – MeiWha detail pictures

China Wholesale Drilling And Tapping Machine Manufacturers - Spiral Flute Tap – MeiWha detail pictures


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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our management ideal for China Wholesale Drilling And Tapping Machine Manufacturers - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Kuala Lumpur, Greenland, Atlanta, We welcome you to visit our company & factory and our showroom displays various products that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to provide you with the best services. If you need more information, please do not hesitate to contact us via E-mail, fax or telephone.
  • The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Ivy from Malaysia - 2017.01.28 19:59
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Elma from Qatar - 2017.07.07 13:00
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