China Wholesale Spiral Point Taps Manufacturers - 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 Spiral Point Taps Manufacturers - Spiral Flute Tap – MeiWha detail pictures

China Wholesale Spiral Point Taps Manufacturers - Spiral Flute Tap – MeiWha detail pictures


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Our business sticks for the basic principle of "Quality could be the life with the firm, and track record will be the soul of it" for China Wholesale Spiral Point Taps Manufacturers - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Slovenia, Luxemburg, UAE, Qualified R&D engineer might be there for your consultation service and we will try our best to meet your requirements. So you should feel free to contact us for inquiries. You'll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we are going to surely present you with the best quotation and after-sale service. We're ready to build stable and friendly relations with our merchants. To achieve mutual success, we'll make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we're here to welcome your inquiries for any of our merchandise and service.
  • In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
    5 Stars By Betty from Madrid - 2018.02.04 14:13
    Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Rosemary from Boston - 2018.09.29 13:24
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