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Screw-Hole-Related Tools(Screw size (Nominal):1/4-28UNF)

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
Specifications
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)
  • On Sale Till 31/03/2025

Model A Tap Series, Spiral Tap A-SFT

    Model A Tap Series, Pointed Tap A-POT

      Carbide Taps for Light Alloys_N-CT-FC

        High Performance Roll Taps, Coated_HP+RZ

          Thread Cutting Tool (for Unified Threads) MMTU

          Brand

          OSG

          OSG

          YAMAWA MFG

          YAMAWA MFG

          NS TOOL

          Product Series

          Model A Tap Series, Spiral Tap A-SFT

          Model A Tap Series, Pointed Tap A-POT

          Carbide Taps for Light Alloys_N-CT-FC

          High Performance Roll Taps, Coated_HP+RZ

          Thread Cutting Tool (for Unified Threads) MMTU

          Days to Ship 8 Day(s) or more 8 Day(s) or more 10 Day(s) or more 10 Day(s) or more 8 Day(s) or more
          Specifications
          • STOCK
                  Screw size (Nominal)1/4-28UNF1/4-28UNF1/4-28UNF1/4-28UNF1/4-28UNF
                  Screw Typesunifiedunifiedunifiedunifiedunified
                  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%)[◎] / Alloy Steel (SCM)[○] / Stainless steel (SUS)[○] / Tool Steel (Before SKD Hardening)[○] / Steel casting (SC)[○] / Ductile Cast Iron (FCD)[○] / Copper (Cu)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[◎] / Magnesium Alloy (MC)[○] / Zinc Alloy Casting (ZDC)[○]Low-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%)[◎] / Alloy Steel (SCM)[◎] / Stainless steel (SUS)[◎] / Tool Steel (Before SKD Hardening)[○] / Steel casting (SC)[◎] / Ductile Cast Iron (FCD)[◎] / Copper (Cu)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Magnesium Alloy (MC)[○] / Zinc Alloy Casting (ZDC)[○] / Titanium Alloy (Ti-6Al-4V, etc)[○]Quenched and tempered steel (45 to 55 HRC)[○] / Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Bronze (Pb)[○]Low-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%)[○] / Alloy Steel (SCM)[○] / Stainless steel (SUS)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Zinc Alloy Casting (ZDC)[○]Low-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%)[○] / Alloy Steel (SCM)[◎] / Stainless steel (SUS)[◎] / Quenched and tempered steel (25 to 35 HRC)[◎] / Quenched and tempered steel (35 to 45 HRC)[◎] / Quenched and tempered steel (45 to 55 HRC)[◎] / Tool Steel (Before SKD Hardening)[◎] / Copper (Cu)[◎] / Aluminum Rolled Material (AL)[◎] / Aluminum Alloy Casting (AC, ADC)[◎] / Titanium Alloy (Ti-6Al-4V, etc)[◎] / Nickel-based alloy (Inconel, etc.)[◎] / Thermosetting plastic (bakelite, phenol, etc.)[◎]
                  Pitch (P), Number of Threading(mm)-----
                  Tool Material TypePowder high-speed steelPowder high-speed steelCarbidePowder high-speed steelCarbide
                  Tap TypeSpiral TapPoint tapHand TapRoll tapThread cutter
                  Hole typeFor blind holeFor through holeFor through hole / For blind holeFor through hole / For blind holeFor blind hole
                  Chamfer threads (Lcf)2.5P5P1.5P ~ 3P2P ~ 4P-
                  Coating TypeOtherOther-TiCNTiAlN
                  Coating Y/NAvailableAvailableNAAvailableAvailable
                  Overall Length (L)(mm)62626262-

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