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Screw-Hole-Related Tools(Screw size (Nominal):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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  1. 1
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 Fluted Taps_SP

      Spiral Pointed Taps_PO

        Hand Taps_HT

          Tap For Tapered Pipe Thread (PT Screw)

            Hand Taps for Aluminum Materials (for Helical Coil Wire Screw Thread Inserts)_AL-HT-STI

              Spiral Fluted Taps for Stainless Steels_SU+SP

                Tap For Parallel Pipe Thread (PS Screw)

                  Solid Round Dies for American Parallel Pipe Threads_D-NPSM

                    Long Shank Hand Taps for American Taper Pipe Threads_LS-NPT

                      Spiral Pointed Taps for Stainless Steels_SU+PO

                        Spiral Fluted Taps, Oxidized_SP-OX

                          Roll Taps for Dry Tapping, Coated_OL+RZ

                            Hand Taps for Parallel Pipe Threads_PS

                              Solid Die D for Whitworth Threads

                                Solid Die D for Unified Threads (Fine)

                                  Solid Round Dies for Taper Pipe Threads_D-PT

                                    Solid Round Dies for Left Hand Threads_D-LH

                                      Long Shank Hand Taps for American Dryseal Taper Pipe Threads_LS-NPTF

                                        Long Shank Hand Taps for Taper Pipe Threads Long (ℓg) Type_LS-PT

                                          Hand Taps for Parallel Pipe Threads_PF

                                            Long Shank Hand Taps for Parallel Pipe Threads_LS-PF

                                              Long Shank Hand Taps for Parallel Pipe Threads_LS-PS

                                                Long Shank Spiral Fluted Taps for Parallel Pipe Threads_LS-SP-PS

                                                  Check Pins for Bored Hole in Thread Cut Tapping (Straight Type)_CPC-S

                                                    Roll Taps for Non-Ferrous Materials_N+RS

                                                      Adjustable Round Die For Parallel Pipe Thread (PF Screw)

                                                        Adjustable Round Die For Parallel Pipe Thread (PS Screw)

                                                          Check Pins for Bored Hole in Thread Form Tapping (Straight Type)_CPR-S

                                                            Check Pins for Bored Holes in Thread Form Tapping (Taper Type)_CPR-T

                                                              Solid Die D for Machine Screws

                                                                Solid Round Dies for American Taper Pipe Threads_D-NPT

                                                                  Solid Round Dies for American Dryseal Taper Pipe Threads_D-NPTF

                                                                    Solid Round Dies for Parallel Pipe Threads_D-PF

                                                                      Solid Round Dies for Parallel Pipe Threads, for Left Hand Threads_D-PF-LH

                                                                        Solid Round Dies for Taper Pipe Threads, for Left Hand Threads_D-PT-LH

                                                                          Z-PRO Coated Spiral Fluted Taps for Taper Pipe Threads_AUSP-Rc

                                                                          Brand

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          TRUSCO NAKAYAMA

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          TRUSCO NAKAYAMA

                                                                          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

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          TRUSCO NAKAYAMA

                                                                          TRUSCO NAKAYAMA

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          YAMAWA MFG

                                                                          Product Series

                                                                          Spiral Fluted Taps_SP

                                                                          Spiral Pointed Taps_PO

                                                                          Hand Taps_HT

                                                                          Tap For Tapered Pipe Thread (PT Screw)

                                                                          Hand Taps for Aluminum Materials (for Helical Coil Wire Screw Thread Inserts)_AL-HT-STI

                                                                          Spiral Fluted Taps for Stainless Steels_SU+SP

                                                                          Tap For Parallel Pipe Thread (PS Screw)

                                                                          Solid Round Dies for American Parallel Pipe Threads_D-NPSM

                                                                          Long Shank Hand Taps for American Taper Pipe Threads_LS-NPT

                                                                          Spiral Pointed Taps for Stainless Steels_SU+PO

                                                                          Spiral Fluted Taps, Oxidized_SP-OX

                                                                          Roll Taps for Dry Tapping, Coated_OL+RZ

                                                                          Hand Taps for Parallel Pipe Threads_PS

                                                                          Solid Die D for Whitworth Threads

                                                                          Solid Die D for Unified Threads (Fine)

                                                                          Solid Round Dies for Taper Pipe Threads_D-PT

                                                                          Solid Round Dies for Left Hand Threads_D-LH

                                                                          Long Shank Hand Taps for American Dryseal Taper Pipe Threads_LS-NPTF

                                                                          Long Shank Hand Taps for Taper Pipe Threads Long (ℓg) Type_LS-PT

                                                                          Hand Taps for Parallel Pipe Threads_PF

                                                                          Long Shank Hand Taps for Parallel Pipe Threads_LS-PF

                                                                          Long Shank Hand Taps for Parallel Pipe Threads_LS-PS

                                                                          Long Shank Spiral Fluted Taps for Parallel Pipe Threads_LS-SP-PS

                                                                          Check Pins for Bored Hole in Thread Cut Tapping (Straight Type)_CPC-S

                                                                          Roll Taps for Non-Ferrous Materials_N+RS

                                                                          Adjustable Round Die For Parallel Pipe Thread (PF Screw)

                                                                          Adjustable Round Die For Parallel Pipe Thread (PS Screw)

                                                                          Check Pins for Bored Hole in Thread Form Tapping (Straight Type)_CPR-S

                                                                          Check Pins for Bored Holes in Thread Form Tapping (Taper Type)_CPR-T

                                                                          Solid Die D for Machine Screws

                                                                          Solid Round Dies for American Taper Pipe Threads_D-NPT

                                                                          Solid Round Dies for American Dryseal Taper Pipe Threads_D-NPTF

                                                                          Solid Round Dies for Parallel Pipe Threads_D-PF

                                                                          Solid Round Dies for Parallel Pipe Threads, for Left Hand Threads_D-PF-LH

                                                                          Solid Round Dies for Taper Pipe Threads, for Left Hand Threads_D-PT-LH

                                                                          Z-PRO Coated Spiral Fluted Taps for Taper Pipe Threads_AUSP-Rc

                                                                          Days to Ship 8 Day(s) or more 8 Day(s) or more 9 Day(s) 9 Day(s) 8 Day(s) 7 Day(s) or more 9 Day(s) 9 Day(s) 8 Day(s) or more 7 Day(s) or more 8 Day(s) or more 7 Day(s) or more 8 Day(s) 8 Day(s) 8 Day(s) or more 7 Day(s) or more 8 Day(s) or more 8 Day(s) 9 Day(s) 8 Day(s) 10 Day(s) 10 Day(s) 8 Day(s) 9 Day(s) Quote 9 Day(s) 9 Day(s) 9 Day(s) 9 Day(s) 8 Day(s) or more 11 Day(s) 8 Day(s) 11 Day(s) or more 9 Day(s) 8 Day(s) 8 Day(s)
                                                                          Screw size (Nominal)1/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/41/4
                                                                          Screw Typesunified / Whitworth / Sewing Machineunified / Whitworth / Sewing MachineunifiedTaper for Pipeunifiedunified / WhitworthParallel for PipesParallel for PipesTaper for Pipeunified / Whitworthunified / WhitworthunifiedParallel for PipesWhitworthunifiedTaper for PipeunifiedTaper for PipeTaper for PipeParallel for PipesParallel for PipesParallel for PipesParallel for PipesunifiedunifiedParallel for PipesParallel for PipesunifiedunifiedSewing MachineTaper for PipeTaper for PipeParallel for PipesParallel for PipesTaper for PipeOther
                                                                          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)[○]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)[○]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)[○]Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○]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)[◎]High Carbon Steel (C with a content over 0.45%)[○] / Alloy Steel (SCM)[○] / Stainless steel (SUS)[○]Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○]-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)[○] / 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)[○] / 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)[○] / Steel casting (SC)[○]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)[○]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)[○] / 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)[○] / Tool Steel (Before SKD Hardening)[○] / Steel casting (SC)[○] / Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Brass (Bs)[○] / Brass cast iron (BsC)[○] / Zinc Alloy Casting (ZDC)[○] / Titanium Alloy (Ti-6Al-4V, etc)[○] / Nickel-based alloy (Inconel, etc.)[○]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)[○] / 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)[○] / 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)[○] / 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)[○]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)[○] / Steel casting (SC)[○] / Ductile Cast Iron (FCD)[○] / Brass cast iron (BsC)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Zinc Alloy Casting (ZDC)[○]-Copper (Cu)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○] / Zinc Alloy Casting (ZDC)[○]Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○]Cast Iron (FC)[○] / Ductile Cast Iron (FCD)[○] / Aluminum Rolled Material (AL)[○] / Aluminum Alloy Casting (AC, ADC)[○]--------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 Alloy Casting (AC, ADC)[○] / Zinc Alloy Casting (ZDC)[○]
                                                                          Pitch (P), Number of Threading(mm)20 ~ 4020 ~ 4020 ~ 32-20 ~ 2820 ~ 28-181820 ~ 2820 ~ 2820 ~ 28192020 ~ 321920 ~ 2818191919191920 ~ 28---20 ~ 2820 ~ 2824 ~ 40181819191919
                                                                          Tool Material TypeHigh-speed steelHigh-speed steelHigh-speed steelSKSHigh-speed steelHigh-speed steelSKSHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelPowder high-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 steelAlloy HSSAlloy HSSHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steelHigh-speed steel
                                                                          Tap TypeSpiral TapPoint tapHand TapTap for pipesHand TapSpiral TapTap for pipesDieTap for pipesPoint tapSpiral TapRoll tapTap for pipesDieDieDieDieTap for pipesTap for pipesTap for pipesTap for pipesTap for pipesTap for pipesThread-cutting-related toolRoll tapDieDieThread-cutting-related toolThread-cutting-related toolDieDieDieDieDieDieSpiral Tap
                                                                          Hole typeFor blind holeFor through holeFor through hole / For blind holeFor through holeFor through hole / For blind holeFor blind holeFor through hole-For through hole / For blind holeFor through holeFor blind holeFor through holeFor through hole / For blind hole----For through hole / For blind holeFor through hole / For blind holeFor through hole / For blind holeFor through hole / For blind holeFor through hole / For blind holeFor blind holeFor through hole / For blind holeFor through hole / For blind hole--For blind holeFor through hole / For blind hole-------
                                                                          Chamfer threads (Lcf)2.5P5P1.5P ~ 5P1.5P1.5P ~ 5P2.5P4.5P-3P5P2.5P4P1.5P----3P2.5P1.5P3.5P3.5P2.5P-2P ~ 4P----------2.5P
                                                                          Coating Type----Non-Coated--Non-Coated---TiCN---Non-CoatedNon-Coated----------Non-CoatedNon-CoatedNon-CoatedNon-CoatedNon-CoatedNon-CoatedNon-CoatedNon-CoatedOther
                                                                          Coating Y/NNANANANANANANANANANANAAvailableNANANANANANANANANANANANANA--NANANANANANANANAAvailable
                                                                          Overall Length (L)(mm)62626262706262-100 ~ 15062626262----100 ~ 15015062100150100 ~ 1507362--7361.5------100

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