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Screw-Hole-Related Tools(Screw size (Nominal):Tr 20)

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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Brand
Product Series
Days to Ship
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)

    Spiral Flute Tap for Through Hole for Trapezoidal Threads_SL-Tr

      A Spiral Flute Left Hand Trapezoidal Thread Tap Spiral Tap_SL-LH-Tr

      Brand

      YAMAWA MFG

      YAMAWA MFG

      Product Series

      Spiral Flute Tap for Through Hole for Trapezoidal Threads_SL-Tr

      A Spiral Flute Left Hand Trapezoidal Thread Tap Spiral Tap_SL-LH-Tr

      Days to Ship 4 Day(s) or more 4 Day(s) or more
      Screw size (Nominal)Tr 20Tr 20
      Screw TypesTrapezoidTrapezoid
      work materialLow-Carbon Steel (carbon alloy less than 0.25%)[○] / Medium carbon steel (carbon content 0.25 to 0.45%)[○]Low-Carbon Steel (carbon alloy less than 0.25%)[○] / Medium carbon steel (carbon content 0.25 to 0.45%)[○]
      Pitch (P), Number of Threading(mm)44
      Tool Material TypeHigh-speed steelHigh-speed steel
      Tap TypeSpiral TapSpiral Tap
      Hole typeFor through holeFor through hole
      Chamfer threads (Lcf)24.5P24.5P
      Coating Type--
      Coating Y/NNANA
      Overall Length (L)(mm)230230

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