China Wholesale Tapping Machine At Best Price In China Factory - 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 Tapping Machine At Best Price In China Factory - Spiral Flute Tap – MeiWha detail pictures

China Wholesale Tapping Machine At Best Price In China Factory - Spiral Flute Tap – MeiWha detail pictures


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The purchaser fulfillment is our primary focus on. We uphold a consistent level of professionalism, high quality, credibility and service for China Wholesale Tapping Machine At Best Price In China Factory - Spiral Flute Tap – MeiWha , The product will supply to all over the world, such as: Adelaide, Slovakia, Iraq, Many goods fully conform to the most rigorous of international guidelines and with our first-rate delivery service you will have them delivered at any time and in any place. And because Kayo deals in the entire spectrum of protective equipment, our customers don't have to waste time shopping around.
  • We are old friends, the company's product quality has been always very good and this time the price is also very cheap.
    5 Stars By Dolores from Czech Republic - 2017.05.21 12:31
    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.
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