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Insert(Sales Unit:Box, Pkg.)

These products are used for reinforcing female threads. These can be used with damaged female threads or soft materials to enable screws/bolts to be tightened.
In general, coil inserts that have been machined into a coil shape are very common, but we also have a wide lineup that includes "self-tapping inserts", "inserts for resin", "insert nuts", "locking inserts", etc., enabling use to suit various environments or materials.
MISUMI enables spec searches and ordering quantities from just 1 piece. Tools are also sold in addition to the inserts themselves.
[Materials]
Iron, stainless steel, brass, phosphor bronze, Inconel, nitronics
[Size]
M1.4 to M39 are available as well as imperial sizes
[Search Keywords]
Heli-Sert, E-Sert, Sprue, Female Thread

Search by specifying the lower class category

Days to Ship
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  • Same day
  • 3 Day(s) or Less
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
Brand
Product Series
CAD
Days to Ship
Screw Dia. M (after insertion)(mm)
Environmentally friendly
Type
Characteristics/Applications
Material
Screw Type
Length L (after insertion) (D = Thread Dia. M)
Application
Notch
Thread Dia. (After inserted), Unified(inch)
Shape
Sales Unit
Cleaning Method
  • On Sale Till 31/03/2025

Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)

    Ultrasert UD2 / UD4 (Brass Cadmium-Free)

      Techlock (SL)

      • On Sale Till 31/03/2025

      Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

        Recoil-Free (mm) SUS304

          Stainless Steel Insert Nut, Screw-in (Slotted)/IRU-S

            Stainless Steel/Insert Nut Threaded Type / IRU

              C Lock (CL Type)

                Sprue

                  Brass Insert Nut (Screw-In Type) IRB/IRB-C

                    Brass Insert Nut (Screw-In Type / Slotted) IRB-S/IRB-SC

                      Stainless Steel Insert Nut, Screw-in (Thread Locker / Slotted) / IRU-SW

                        Brass Bit Insert (Standard Model / Single-Sided Type) HSB

                          Thread Insert (Box)

                            DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)

                              Brass Ultrasert IV/HUD IV

                                Brass Ultrasert IV (Flanged) / HFU

                                  Insert Nut, Screw-in Type, Insertion Jig, Dedicated for Without Slot / IR-00

                                    E-Sert Fine

                                      E-SERT Tongue Break-Off Tool

                                        Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                          Recoil Packet (Milli)

                                            Recoil Packet (METRIC)

                                              Aluminum Insert Nut (Screw-In Type) IRL-B/IRL-K

                                                Brass Bit Insert (Flange Type) / HFB

                                                • On Sale Till 31/03/2025

                                                Thread Insert (Box)

                                                  Sprue (Fine, P=1.25)

                                                    E-SERT Removal Tool

                                                      Dodge Insert Flange Type (Brass Cadmium-Less)

                                                        Recoil Packet (UNC)

                                                          Recoil Packet for Spark Plugs

                                                            Stainless Steel Sprue (Other, Fine)

                                                              Lock E-Sert

                                                                Lock Type Sprew (Fine)

                                                                  Brass Bit Insert (Standard, Double-sided) HSB-Z

                                                                    Self Floating Fastener

                                                                      Sel Locking Fastener SLN (Non-Lock)

                                                                        Sprue (Unified) (UNC)

                                                                          Sprue (Unify) (UNF)

                                                                            Lock Sprue

                                                                              Recoil Packet (UNF)

                                                                                Stainless Steel Sprue (Unify) (UNC)

                                                                                  Stainless Steel Recoil

                                                                                    Stainless Steel E-Sert Hemlock-Made

                                                                                      Stainless Steel E-Sert Fine (Hemlock-Made)

                                                                                      Brand

                                                                                      TOKAI METAL INDUSTRY

                                                                                      TOKAI METAL INDUSTRY

                                                                                      JAPAN DRIVEIT

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      BOHSEI

                                                                                      NIPPON SPREW

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      MISUMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      TSUGAMI

                                                                                      TSUGAMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      MISUMI

                                                                                      NIPPON SPREW

                                                                                      TSUGAMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      HIROSUGI-KEIKI

                                                                                      SEL JAPAN

                                                                                      SEL JAPAN

                                                                                      NIPPON SPREW

                                                                                      NIPPON SPREW

                                                                                      NIPPON SPREW

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      Product Series

                                                                                      Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)【1,000-8,000 Pieces Per Package】

                                                                                      Ultrasert UD2 / UD4 (Brass Cadmium-Free)【600-5,000 Pieces Per Package】

                                                                                      Techlock (SL)【5,000 Pieces Per Package】

                                                                                      Dodge Bit Insert Flange Type (Brass Cadmium-Free)【3,000-5,000 Pieces Per Package】

                                                                                      Recoil-Free (mm) SUS304【3 Pieces Per Package】

                                                                                      Stainless Steel Insert Nut, Screw-in (Slotted)/IRU-S

                                                                                      Stainless Steel/Insert Nut Threaded Type / IRU

                                                                                      C Lock (CL Type)【100 Pieces Per Package】

                                                                                      Sprue【1-100 Pieces Per Package】

                                                                                      Brass Insert Nut (Screw-In Type) IRB/IRB-C

                                                                                      Brass Insert Nut (Screw-In Type / Slotted) IRB-S/IRB-SC

                                                                                      Stainless Steel Insert Nut, Screw-in (Thread Locker / Slotted) / IRU-SW

                                                                                      Brass Bit Insert (Standard Model / Single-Sided Type) HSB

                                                                                      Thread Insert (Box)【100 Pieces Per Package】

                                                                                      DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【400-15,000 Pieces Per Package】

                                                                                      Brass Ultrasert IV/HUD IV

                                                                                      Brass Ultrasert IV (Flanged) / HFU

                                                                                      Insert Nut, Screw-in Type, Insertion Jig, Dedicated for Without Slot / IR-00

                                                                                      E-Sert Fine

                                                                                      E-SERT Tongue Break-Off Tool

                                                                                      Dodge Bit Insert Standard SD (Brass Cadmium-Less)【500-2,000 Pieces Per Package】

                                                                                      Recoil Packet (Milli)【5-10 Pieces Per Package】

                                                                                      Recoil Packet (METRIC)【10 Pieces Per Package】

                                                                                      Aluminum Insert Nut (Screw-In Type) IRL-B/IRL-K

                                                                                      Brass Bit Insert (Flange Type) / HFB

                                                                                      Thread Insert (Box)【100 Pieces Per Package】

                                                                                      Sprue (Fine, P=1.25)【50-100 Pieces Per Package】

                                                                                      E-SERT Removal Tool

                                                                                      Dodge Insert Flange Type (Brass Cadmium-Less)【600 Pieces Per Package】

                                                                                      Recoil Packet (UNC)【10 Pieces Per Package】

                                                                                      Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                      Stainless Steel Sprue (Other, Fine)【50-100 Pieces Per Package】

                                                                                      Lock E-Sert【100 Pieces Per Package】

                                                                                      Lock Type Sprew (Fine)【10 Pieces Per Package】

                                                                                      Brass Bit Insert (Standard, Double-sided) HSB-Z

                                                                                      Self Floating Fastener【1,000 Pieces Per Package】

                                                                                      Sel Locking Fastener SLN (Non-Lock)【1,000 Pieces Per Package】

                                                                                      Sprue (Unified) (UNC)【1-100 Pieces Per Package】

                                                                                      Sprue (Unify) (UNF)【10-100 Pieces Per Package】

                                                                                      Lock Sprue【100 Pieces Per Package】

                                                                                      Recoil Packet (UNF)【10 Pieces Per Package】

                                                                                      Stainless Steel Sprue (Unify) (UNC)【100 Pieces Per Package】

                                                                                      Stainless Steel Recoil【100 Pieces Per Package】

                                                                                      Stainless Steel E-Sert Hemlock-Made【50-100 Pieces Per Package】

                                                                                      Stainless Steel E-Sert Fine (Hemlock-Made)【20-100 Pieces Per Package】

                                                                                      CAD
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      Days to Ship 4 Day(s) or more 4 Day(s) or more 14 Day(s) or more 4 Day(s) or more 7 Day(s) or more 11 Day(s) or more 11 Day(s) or more 4 Day(s) or more 4 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 11 Day(s) or more 4 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 11 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more
                                                                                      Screw Dia. M (after insertion)(mm)1.7 ~ 42.6 ~ 103.52 ~ 427 ~ 422.6 ~ 82 ~ 82 ~ 62.5 ~ 302 ~ 82.6 ~ 82.6 ~ 81.4 ~ 52.5 ~ 81.4 ~ 62 ~ 103 ~ 8-163 ~ 203 ~ 52 ~ 2022 ~ 82 ~ 53 ~ 818 ~ 20-8-148 ~ 242.5 ~ 16121.4 ~ 53 ~ 43--8--2 ~ 162 ~ 366 ~ 39
                                                                                      Environmentally friendly---------------------------------------------
                                                                                      TypeStandardStandardPress FitStandardStandardSelf-TappingSelf-TappingPress FitStandardSelf-TappingSelf-TappingSelf-TappingPress FitTanglessStandardPress FitPress FitToolStandardToolStandardStandardStandardSelf-TappingPress FitStandardStandardToolStandardStandardStandardStandardStandardStandardPress FitSwagedSwagedStandardStandardStandardStandardStandardStandardStandardStandard
                                                                                      Characteristics/Applications---------------------------------------------
                                                                                      MaterialBrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304) / Phosphor BronzeBrassBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassBrass-Stainless Steel (SUS303/304)SteelBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)AluminumBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)SteelBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassSteel / Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)
                                                                                      Screw TypeMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (Fine) Thread-Metric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) Thread-Metric (Coarse) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) Thread
                                                                                      Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1.5D1D / 2D1D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D-1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D1D / 1.5D / 2D1.5D / 2D / 2.5D-1D-2D / 3D1D / 1.5D / 2D1D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1.5D / 2D-2D1.5D-1.5D / 2D1D / 1.5D / 2D1.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D--1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 3D3D1.5D1D / 1.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D
                                                                                      ApplicationResin GeneralResin General-Resin GeneralLight MetalCast IronCast IronResin GeneralLight MetalLight MetalLight MetalCast IronLight MetalLight MetalResin GeneralLight MetalLight Metal-Light Metal / Cast Iron / Resin General-Resin GeneralLight Metal-Light MetalLight MetalLight MetalLight Metal-Resin GeneralLight Metal----Light MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight Metal----
                                                                                      NotchNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot Provided-ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided-Provided-Not ProvidedProvided-Not ProvidedNot ProvidedProvidedProvided-Not ProvidedProvided-ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvided
                                                                                      Thread Dia. (After inserted), Unified(inch)-----------------------------1/4-20 ~ 7/16-14-------1/2-13 ~ #10-241/2-20 ~ 9/16-18-5/16-24 ~ 7/16-20#2-56---
                                                                                      ShapeStandardStandardStandardStandard-SlottedStandardStandard-StandardSlottedSlottedStandard-StandardStandardStandard---Standard--StandardStandard---Standard--Standard--Standard------StandardStandardStandardStandard
                                                                                      Sales UnitBox, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.
                                                                                      Cleaning Method---------------------------------------------

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