China Wholesale HSS Straight Flute Thread 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 HSS Straight Flute Thread Taps Manufacturers - Spiral Flute Tap – MeiWha detail pictures

China Wholesale HSS Straight Flute Thread Taps Manufacturers - Spiral Flute Tap – MeiWha detail pictures


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Well-run equipment, specialist income crew, and better after-sales services; We're also a unified major family, anyone stay with the organization value "unification, determination, tolerance" for China Wholesale HSS Straight Flute Thread Taps Manufacturers - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Austria, Milan, UK, Our next goal is to exceed the expectations of every client by offering outstanding customer service, increased flexibility and greater value. All in all, without our customers we do not exist; without happy and fully satisfied customers, we fail. We are looking for the wholesale, Drop ship. Please contact us if you are interesting our products. Hope to do business with you all. High quality and fast shipment!
  • Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Ina from Mexico - 2018.09.29 13:24
    We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Christine from Doha - 2018.05.13 17:00
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