China Wholesale Screw Tap Manufacturers - Spiral Flute Tap – MeiWha

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China Wholesale Screw Tap Manufacturers - Spiral Flute Tap – MeiWha Detail:

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 Manufacturers - Spiral Flute Tap – MeiWha detail pictures

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


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Our advantages are reduced prices,dynamic product sales workforce,specialized QC,solid factories,superior quality services for China Wholesale Screw Tap Manufacturers - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Melbourne, Nepal, Uganda, We have won a good reputation among overseas and domestic clients. Adhering to the management tenet of "credit oriented, customer first, high efficiency and mature services", we warmly welcome friends from all walks of life to cooperate with us.
  • Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Nydia from Iraq - 2017.09.28 18:29
    As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By Victor from Slovakia - 2017.03.28 12:22
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