China Wholesale Screw Tap Factory - Spiral Flute Tap – MeiWha

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We are commitment to offer the competitive price ,outstanding products quality, as well as fast delivery for ISO-Ger High Speed ER Collet Holder, Tool Holders, HSS Milling Cutter Shank, We welcome new and old customers to contact us by phone or send us inquiries by mail for future business relationships and achieving mutual success.
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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 Screw Tap Factory - Spiral Flute Tap – MeiWha detail pictures

China Wholesale Screw Tap Factory - Spiral Flute Tap – MeiWha detail pictures


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We strive for excellence, services the customers", hopes to be the top cooperation team and dominator business for personnel, suppliers and prospects, realizes benefit share and continual promotion for China Wholesale Screw Tap Factory - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Macedonia, Tajikistan, South Korea, we have all day online sales to make sure the pre-sale and after-sale service in time. With all these supports, we can serve every customer with quality product and timely shipping with highly responsibility. Being a young growing company, we might not the best, but we are trying our best to be your good partner.
  • The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
    5 Stars By Emily from Borussia Dortmund - 2018.09.29 17:23
    We have worked with many companies, but this time is the best,detailed explanation, timely delivery and quality qualified, nice!
    5 Stars By Laurel from Vietnam - 2017.08.15 12:36
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