China Wholesale Threading Tap Manufacturers - Spiral Flute Tap – MeiWha

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Gaining purchaser gratification is our firm's intention eternally. We will make wonderful endeavours to build new and top-quality merchandise, satisfy your exclusive needs and provide you with pre-sale, on-sale and after-sale products and services for Drill Sharpening Machine, Electric End Mill Sharpener, Automatic Tapping Machine, With advantage of industry management, the business has generally been committed to supporting prospects to become the current market leader in their respective industries.
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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 Threading Tap Manufacturers - Spiral Flute Tap – MeiWha detail pictures

China Wholesale Threading Tap Manufacturers - Spiral Flute Tap – MeiWha detail pictures


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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for China Wholesale Threading Tap Manufacturers - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Nepal, Ecuador, Portugal, We have been very responsible for all details on our customers order no matter on warranty quality, satisfied prices, quick delivery, on time communication, satisfied packing, easy payment terms, best shipment terms, after sales service etc. We provide one-stop service and best reliability to our every customers. We work hard with our customers, colleagues, workers to make a better future.
  • Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
    5 Stars By Anna from France - 2018.11.04 10:32
    This company conforms to the market requirement and joins in the market competition by its high quality product, this is an enterprise that have Chinese spirit.
    5 Stars By jari dedenroth from Guinea - 2017.08.18 11:04
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