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Screw-Hole-Related Tools(Screw size (Nominal):1 1/4)

Threading tools have functions to cut threads in accordance with the required thread types and sizes, or to conduct plastic forming. Commonly-used tool type is formed tools called taps. They are used in many different ways; for example, handles are attached to them for manual machining, or for large-lot production, they are mounted to machine tools called tool holders or NC machine tool. High-speed steel is most commonly employed for these tools, and alloy carbide (coated alloy carbide is mainly applied) is also increasingly employed for its durability. When threading with taps, the thinner taps are, the more likely they break. As cutting chips solidify with heat, or the tap end makes contact with the bottom of pilot hole, there is more possibility the tap is damaged. Additionally, when using a coil insert, a dedicated tap needs to be used rather than a regular tap.

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    Spiral Fluted Taps_SP

    Spiral Fluted Taps_SP

    YAMAWA MFG

    The spiral flute tap is ideal for machining blind holes as cutting chip is discharged from the grooves twisted in the same direction as the threads.
    [Features]
    ・ The grooves are twisted in the same direction as the threads for not only good scrap discharging performance but also great cutting performance.
    ・ Intermittent cutting of female threads with keyway is also possible.
    ・ Capable of machining both synchronously and asynchronously.
    ・ Ideal for machining blind holds as the groove is twisted, continuous small coiled scraps are discharged to the rear, and it does not cause cutting chip clogging.
    ・ Ideal for tapping especially sticky work materials, plastics, etc. due to its sharpness.
    ・ The tap can easily cut.
    ・ Intermittent cutting of pilot holes with keyway is also possible.
    ・ Since the blade strength is inferior to HT, the HT shape is more suitable for hard materials.
    [Applications]
    ・ Ideal for machining blind holes.

    From: ₹ 18,522.93
    Days to Ship: 5 Day(s)
    day to ship 5 Day(s)
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Screw size (Nominal)
Screw Types
work material
Pitch (P), Number of Threading(mm)
Tool Material Type
Tap Type
Hole type
Chamfer threads (Lcf)
Coating Type
Coating Y/N
Overall Length (L)(mm)

    You can add up to 6 items per a category to the compare list.

    Spiral Fluted Taps_SP
      Brand

      YAMAWA MFG

      Product Series

      Spiral Fluted Taps_SP

      From

      ₹ 18,522.93

      Days to Ship 5 Day(s)
      Screw size (Nominal)1 1/4
      Screw TypesWhitworth
      work materialLow-Carbon Steel (carbon alloy less than 0.25%)[○] / Medium carbon steel (carbon content 0.25 to 0.45%)[○] / High Carbon Steel (C with a content over 0.45%)[○] / Quenched and tempered steel (25 to 35 HRC)[○] / Steel casting (SC)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Magnesium Alloy (MC)[○] / Zinc Alloy Casting (ZDC)[○]
      Pitch (P), Number of Threading(mm)7
      Tool Material TypeHigh-speed steel
      Tap TypeSpiral Tap
      Hole typeFor blind hole
      Chamfer threads (Lcf)2.5P
      Coating Type-
      Coating Y/NNA
      Overall Length (L)(mm)145

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