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Screw-Hole-Related Tools(Screw size (Nominal):7/8)

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)

    Hand Taps_HT

    • On Sale Till 31/03/2025

    Spiral Pointed Taps_PO

      Spiral Fluted Taps_SP

        Spiral Fluted Taps, Oxidized_SP-OX

          Spiral Fluted Taps for Stainless Steels_SU+SP

            Long Shank Spiral Fluted Taps_LS-SP

              Long Shank Hand Taps_LS-HT

                Long Shank Spiral Pointed Taps_LS-PO

                  Hand Taps for Parallel Pipe Threads_PF

                    Solid Round Dies for Taper Pipe Threads_D-PT

                      Hand Taps for Parallel Pipe Threads_PS

                        Solid Die D for Whitworth Threads

                          Solid Die D for Unified Threads (Fine)

                            Solid Dies (for left-hand threads) D LH for Unified Threads

                              Solid Round Dies for Left Hand Threads_D-LH

                              Brand

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              YAMAWA MFG

                              Product Series

                              Hand Taps_HT

                              Spiral Pointed Taps_PO

                              Spiral Fluted Taps_SP

                              Spiral Fluted Taps, Oxidized_SP-OX

                              Spiral Fluted Taps for Stainless Steels_SU+SP

                              Long Shank Spiral Fluted Taps_LS-SP

                              Long Shank Hand Taps_LS-HT

                              Long Shank Spiral Pointed Taps_LS-PO

                              Hand Taps for Parallel Pipe Threads_PF

                              Solid Round Dies for Taper Pipe Threads_D-PT

                              Hand Taps for Parallel Pipe Threads_PS

                              Solid Die D for Whitworth Threads

                              Solid Die D for Unified Threads (Fine)

                              Solid Dies (for left-hand threads) D LH for Unified Threads

                              Solid Round Dies for Left Hand Threads_D-LH

                              Days to Ship 8 Day(s) or more 8 Day(s) 8 Day(s) or more 8 Day(s) or more 8 Day(s) 8 Day(s) or more 9 Day(s) 8 Day(s) or more 8 Day(s) 9 Day(s) 9 Day(s) 9 Day(s) 9 Day(s) 9 Day(s) 9 Day(s)
                              Screw size (Nominal)7/87/87/87/87/87/87/87/87/87/87/87/87/87/87/8
                              Screw Typesunifiedunified / Whitworthunified / Whitworthunified / Whitworthunified / Whitworthunified / Whitworthunifiedunified / WhitworthParallel for PipesTaper for PipeParallel for PipesWhitworthunifiedunifiedunified
                              work materialMedium 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)[○] / Tool Steel (Before SKD Hardening)[○] / Steel casting (SC)[○] / Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / 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%)[○] / Quenched and tempered steel (25 to 35 HRC)[○] / Steel casting (SC)[○] / 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%)[○] / 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)[○]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)[○] / Steel casting (SC)[○]High Carbon Steel (C with a content over 0.45%)[○] / Alloy Steel (SCM)[○] / Stainless steel (SUS)[○]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)[○] / 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)[○]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)[○] / Tool Steel (Before SKD Hardening)[○] / Steel casting (SC)[○] / Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / 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)[○] / Quenched and tempered steel (25 to 35 HRC)[○] / Tool Steel (Before SKD Hardening)[○] / Steel casting (SC)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / 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)[○] / Quenched and tempered steel (25 to 35 HRC)[○] / Tool Steel (Before SKD Hardening)[○] / Steel casting (SC)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Zinc Alloy Casting (ZDC)[○]----
                              Pitch (P), Number of Threading(mm)9 ~ 2099 ~ 209 ~ 149 ~ 14999 ~ 1414141499 ~ 1499 ~ 14
                              Tool Material TypeHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steel
                              Tap TypeHand TapPoint tapSpiral TapSpiral TapSpiral TapSpiral TapHand TapPoint tapTap for pipesDieTap for pipesDieDieDieDie
                              Hole typeFor through hole / For blind holeFor through holeFor blind holeFor blind holeFor blind holeFor blind holeFor through hole / For blind holeFor through holeFor through hole / For blind hole-For through hole / For blind hole----
                              Chamfer threads (Lcf)1.5P ~ 5P5P2.5P2.5P2.5P2.5P1.5P ~ 5P5P3.5P-3.5P----
                              Coating Type---------Non-Coated---Non-CoatedNon-Coated
                              Coating Y/NNANANANANANANANANANANANANANANA
                              Overall Length (L)(mm)115115115115115150 ~ 200200150 ~ 20090-90----

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