China Wholesale CNC Tapping Machine Factory - Spiral Flute Tap – MeiWha

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We emphasize advancement and introduce new products into the market each year for 80° Rhombic With Hole, End Milling For Aluminum, Arm Electric Tapping Machine, We sincerely welcome friends from all over the world to cooperate with us on the basis of long-term mutual benefits.
China Wholesale CNC Tapping Machine Factory - 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 CNC Tapping Machine Factory - Spiral Flute Tap – MeiWha detail pictures

China Wholesale CNC Tapping Machine Factory - Spiral Flute Tap – MeiWha detail pictures


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We always do the job to be a tangible group making sure that we can provide you with the top top quality as well as ideal value for China Wholesale CNC Tapping Machine Factory - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Jersey, Estonia, Italy, We attained ISO9001 which provides solid foundation for our further development. Persisting in "High quality, Prompt Delivery, Competitive Price", we have established long-term cooperation with clients from both overseas and domestically and get new and old clients' high comments. It is our great honor to meet your demands. We are sincerely expecting your attention.
  • We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
    5 Stars By Roxanne from Korea - 2018.12.05 13:53
    This company has a lot of ready-made options to choose and also could custom new program according to our demand, which is very nice to meet our needs.
    5 Stars By Victor Yanushkevich from Suriname - 2018.09.12 17:18
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