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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
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  • 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)
Type
Material
Screw Type
Length L (after insertion) (D = Thread Dia. M)
Application
Notch
Thread Dia. (After inserted), Unified(inch)
Shape
Sales Unit
  • On Sale Till 31/03/2024

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

  • On Sale Till 31/03/2024

Ultrasert UD2 / UD4 (Brass Cadmium-Free)

  • On Sale Till 31/03/2024

Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

    Techlock (SL)

      Brass Bit Insert (Flange Type) / HFB

        Recoil-Free (mm) SUS304

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

            Sprue

              C Lock (CL Type)

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

                • On Sale Till 31/03/2024

                Thread Insert (Box)

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

                    Brass Dutch Insert (Standard) / HSD

                      Brass Ultrasert IV/HUD IV

                        Dodge Insert Flange Type (Brass Cadmium-Less)

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

                            Male Screw Repair Coil Thread -R

                              Recoil Packet (UNC)

                                Stainless Steel/Insert Nut Threaded Type / IRU

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

                                    Recoil Packet (Milli)

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

                                        Brass Mini Bit Inserts / HMIB-Z

                                          Self Floating Fastener

                                            E-SERT Tongue Break-Off Tool

                                              Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                                Recoil Packet (METRIC)

                                                  Lock E-Sert

                                                    Brass Insert Nut (Screw-In Type) IRB-W/-CW

                                                      Brass Dutch Insert (Flanged) / HFD

                                                        Thread Insert (Box)

                                                          Sel Locking Fastener SLN (Non-Lock)

                                                            Lock Sprue

                                                              Stainless Steel/Aluminum Insert Nut Threaded Type (Loosening Prevention) / IRU-W

                                                                Brass Insert Nut (Screw-In Type / Slotted) IRB-SW/-SCW

                                                                  Brass Ultrasert II/HUD II

                                                                    Brass Ultrasert IV (Flanged) / HFU

                                                                      Nylon Nut Insert / NNI

                                                                        Sprue (Fine, P=1.25)

                                                                          Sprue (Unified) (UNC)

                                                                            Sprue (Unify) (UNF)

                                                                              E-Sert Fine

                                                                                E-SERT Removal Tool

                                                                                  Recoil Packet (UNF)

                                                                                    Recoil Packet for Spark Plugs

                                                                                    Brand

                                                                                    TOKAI METAL INDUSTRY

                                                                                    TOKAI METAL INDUSTRY

                                                                                    TOKAI METAL INDUSTRY

                                                                                    JAPAN DRIVEIT

                                                                                    HIROSUGI-KEIKI

                                                                                    RECOIL

                                                                                    HIROSUGI-KEIKI

                                                                                    NIPPON SPREW

                                                                                    BOHSEI

                                                                                    HIROSUGI-KEIKI

                                                                                    MISUMI

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    TOKAI METAL INDUSTRY

                                                                                    TOKAI METAL INDUSTRY

                                                                                    KS SANGYO

                                                                                    RECOIL

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    RECOIL

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    SEL JAPAN

                                                                                    TSUGAMI

                                                                                    TOKAI METAL INDUSTRY

                                                                                    RECOIL

                                                                                    SUNCO

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    MISUMI

                                                                                    SEL JAPAN

                                                                                    NIPPON SPREW

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    HIROSUGI-KEIKI

                                                                                    NIPPON SPREW

                                                                                    NIPPON SPREW

                                                                                    NIPPON SPREW

                                                                                    TSUGAMI

                                                                                    TSUGAMI

                                                                                    RECOIL

                                                                                    RECOIL

                                                                                    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】

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

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

                                                                                    Brass Bit Insert (Flange Type) / HFB

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

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

                                                                                    Sprue【1-100 Pieces Per Package】

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

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

                                                                                    Thread Insert (Box)【100 Pieces Per Package】

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

                                                                                    Brass Dutch Insert (Standard) / HSD

                                                                                    Brass Ultrasert IV/HUD IV

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

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

                                                                                    Male Screw Repair Coil Thread -R【20 Pieces Per Package】

                                                                                    Recoil Packet (UNC)【10 Pieces Per Package】

                                                                                    Stainless Steel/Insert Nut Threaded Type / IRU

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

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

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

                                                                                    Brass Mini Bit Inserts / HMIB-Z

                                                                                    Self Floating Fastener【1,000 Pieces Per Package】

                                                                                    E-SERT Tongue Break-Off Tool

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

                                                                                    Recoil Packet (METRIC)【10 Pieces Per Package】

                                                                                    Lock E-Sert【100 Pieces Per Package】

                                                                                    Brass Insert Nut (Screw-In Type) IRB-W/-CW

                                                                                    Brass Dutch Insert (Flanged) / HFD

                                                                                    Thread Insert (Box)【100 Pieces Per Package】

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

                                                                                    Lock Sprue【100 Pieces Per Package】

                                                                                    Stainless Steel/Aluminum Insert Nut Threaded Type (Loosening Prevention) / IRU-W

                                                                                    Brass Insert Nut (Screw-In Type / Slotted) IRB-SW/-SCW

                                                                                    Brass Ultrasert II/HUD II

                                                                                    Brass Ultrasert IV (Flanged) / HFU

                                                                                    Nylon Nut Insert / NNI

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

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

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

                                                                                    E-Sert Fine

                                                                                    E-SERT Removal Tool

                                                                                    Recoil Packet (UNF)【10 Pieces Per Package】

                                                                                    Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                    CAD
                                                                                    • 2D / 3D
                                                                                    • 2D / 3D
                                                                                    Days to Ship 4 Day(s) or more 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 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more Same day 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 11 Day(s) or more 11 Day(s) or more 4 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 4 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 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 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 ~ 102 ~ 43.52 ~ 527 ~ 422.6 ~ 82.5 ~ 302 ~ 61.4 ~ 53 ~ 82.6 ~ 82.6 ~ 52 ~ 1081.4 ~ 63 ~ 6-2 ~ 81.4 ~ 52 ~ 202 ~ 81.4 ~ 1.73 ~ 43 ~ 203 ~ 522.5 ~ 162.6 ~ 82.6 ~ 52.5 ~ 8382.6 ~ 82.6 ~ 82.6 ~ 83 ~ 82.5 ~ 818 ~ 20--16--14
                                                                                    TypeStandardStandardStandardPress FitPress FitStandardSelf-TappingStandardPress FitPress FitStandardSelf-TappingPress FitPress FitStandardStandardStandardStandardSelf-TappingPress FitStandardSelf-TappingPress FitSwagedToolStandardStandardStandardSelf-TappingPress FitTanglessSwagedStandardSelf-TappingSelf-TappingPress FitPress FitPress FitStandardStandardStandardStandardToolStandardStandard
                                                                                    MaterialBrassBrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassSteel / Stainless Steel (SUS303/304)SteelBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassNylonStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)SteelStainless 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) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (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 (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Fine) Thread-Unified (Fine) ThreadMetric (Fine) Thread
                                                                                    Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 2D1.5D1D / 1.5D / 2D / 2.5D / 3D1D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1.5D / 2D / 2.5D / 3D / 3.5D1D / 1.5D / 2D2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D1D / 1.5D / 2D1.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 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 / 0.7D / 0.8D / 3.5D1.5D / 2D--2D / 3D1D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D2D / 2.5D1D / 1.5D / 2D-3D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1.5D / 2D / 2.5D1.5D / 2D / 2.5D2.5D / 3D1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 3D1D-1.5D-
                                                                                    ApplicationResin GeneralResin GeneralResin General-Light MetalLight MetalCast IronLight MetalResin GeneralLight MetalLight MetalCast IronLight MetalLight MetalResin GeneralResin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalCast IronLight MetalLight MetalLight MetalLight MetalLight Metal-Resin General--Light MetalLight MetalLight MetalLight MetalLight MetalCast IronLight MetalLight MetalLight MetalResin GeneralLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin General-Light Metal-
                                                                                    NotchNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedProvided-Not ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot Provided-Not Provided-ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvided-Provided-
                                                                                    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-
                                                                                    ShapeStandardStandardStandardStandardStandard-Slotted-StandardStandard-SlottedStandardStandardStandardStandardStandard-StandardStandard-StandardStandard--Standard--StandardStandard---StandardSlottedStandardStandardStandard-------
                                                                                    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.

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