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Insert(Length L (after insertion) (D = Thread Dia. M):2.5D)

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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  • 9 Day(s) or Less
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  • 11 Day(s) or Less
  1. 1
Brand
Product Series
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)

    Techlock (SL)

      Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

        Recoil-Free (mm) SUS304

          Brass Bit Insert (Flange Type) / HFB

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

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

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

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

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

                      E-Certs

                        Dodge Insert Flange Type (Brass Cadmium-Less)

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

                            Stainless Steel/Insert Nut Threaded Type / IRU

                              Sprue

                                Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                  Tangless Insert (SUS304)

                                    Screwsert (Type SCT)

                                      Stainless Steel E-Sert Fine (Hemlock-Made)

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

                                          Brass Ultrasert II/HUD II

                                            Sprue (Unified) (UNC)

                                              E-Sert Fine

                                                Brass Ultrasert IV (Flanged) / HFU

                                                  FLO-TECH (FTC Type)

                                                    Stainless Steel Recoil

                                                      Stainless Steel E-Sert Hemlock-Made

                                                        Stainless Steel E-Sert (Unify) (UNC)

                                                          Stainless Steel E-Sert (Unify) (UNF)

                                                            Lock Type Sprew

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

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

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

                                                                    Aluminum Insert Nut (Screw-In Type / Coated With Loosening Prevention Agent) IRL-BW/-KW

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

                                                                        Brass Dutch Insert (Standard) / HSD

                                                                          Brass Dutch Insert (Flanged) / HFD

                                                                            Nylon Nut Insert / NNI

                                                                            Brand

                                                                            TOKAI METAL INDUSTRY

                                                                            JAPAN DRIVEIT

                                                                            TOKAI METAL INDUSTRY

                                                                            RECOIL

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            TOKAI METAL INDUSTRY

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            TSUGAMI

                                                                            TOKAI METAL INDUSTRY

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            NIPPON SPREW

                                                                            TOKAI METAL INDUSTRY

                                                                            RECOIL

                                                                            JAPAN DRIVEIT

                                                                            SUNCO

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            NIPPON SPREW

                                                                            TSUGAMI

                                                                            HIROSUGI-KEIKI

                                                                            JAPAN DRIVEIT

                                                                            SUNCO

                                                                            SUNCO

                                                                            SUNCO

                                                                            SUNCO

                                                                            SUNCO

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            HIROSUGI-KEIKI

                                                                            Product Series

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

                                                                            Techlock (SL)

                                                                            Dodge Bit Insert Flange Type (Brass Cadmium-Free)

                                                                            Recoil-Free (mm) SUS304

                                                                            Brass Bit Insert (Flange Type) / HFB

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

                                                                            DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【1-8,000 Pieces Per Package】

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

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

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

                                                                            E-Certs【1-100 Pieces Per Package】

                                                                            Dodge Insert Flange Type (Brass Cadmium-Less)

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

                                                                            Stainless Steel/Insert Nut Threaded Type / IRU

                                                                            Sprue【1-100 Pieces Per Package】

                                                                            Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                                                            Tangless Insert (SUS304)

                                                                            Screwsert (Type SCT)

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

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

                                                                            Brass Ultrasert II/HUD II

                                                                            Sprue (Unified) (UNC)【1-10 Pieces Per Package】

                                                                            E-Sert Fine

                                                                            Brass Ultrasert IV (Flanged) / HFU

                                                                            FLO-TECH (FTC Type)【1-1,000 Pieces Per Package】

                                                                            Stainless Steel Recoil【100 Pieces Per Package】

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

                                                                            Stainless Steel E-Sert (Unify) (UNC)【100 Pieces Per Package】

                                                                            Stainless Steel E-Sert (Unify) (UNF)

                                                                            Lock Type Sprew【100 Pieces Per Package】

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

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

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

                                                                            Aluminum Insert Nut (Screw-In Type / Coated With Loosening Prevention Agent) IRL-BW/-KW

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

                                                                            Brass Dutch Insert (Standard) / HSD

                                                                            Brass Dutch Insert (Flanged) / HFD

                                                                            Nylon Nut Insert / NNI

                                                                            Days to Ship 4 Day(s) or more 4 Day(s) or more Same day 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 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 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 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 7 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 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 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more
                                                                            Screw Dia. M (after insertion)(mm)1.6 ~ 423 ~ 42 ~ 162 ~ 43 ~ 51.6 ~ 41.6 ~ 43 ~ 53 ~ 52.5 ~ 2031.6 ~ 42 ~ 52 ~ 162.6 ~ 62.5 ~ 1068 ~ 142 ~ 52.6 ~ 4-104 ~ 62.5 ~ 63 ~ 102 ~ 7--5 ~ 63 ~ 53 ~ 52 ~ 53 ~ 53 ~ 52.6 ~ 52.6 ~ 45 ~ 8
                                                                            Environmentally friendly--------------------------------------
                                                                            TypeStandardPress FitStandardStandardPress FitSelf-TappingStandardPress FitSelf-TappingSelf-TappingStandardStandardPress FitSelf-TappingStandardStandardTanglessSelf-TappingStandardSelf-TappingPress FitStandardStandardPress FitPress FitStandardStandardStandardStandardStandardSelf-TappingSelf-TappingSelf-TappingSelf-TappingSelf-TappingPress FitPress FitPress Fit
                                                                            Characteristics/Applications--------------------------------------
                                                                            MaterialBrassBrassBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)AluminumAluminumBrassBrassBrassNylon
                                                                            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) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread
                                                                            Length L (after insertion) (D = Thread Dia. M)2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D2.5D
                                                                            ApplicationResin General-Resin GeneralLight MetalLight MetalCast IronResin GeneralLight MetalLight MetalCast IronLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalCast IronLight MetalResin GeneralLight MetalResin General-Light MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal------Light MetalCast IronLight MetalLight MetalLight MetalLight MetalLight MetalResin General
                                                                            NotchNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedProvidedNot ProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided
                                                                            Thread Dia. (After inserted), Unified(inch)---------------------1/4-20 ~ #4-40-----#6-32 ~ 7/8-9#10-32---------
                                                                            ShapeStandardStandardStandard-StandardSlottedStandardStandardSlottedSlotted-StandardStandardStandard-Standard-StandardStandardStandardStandard--StandardStandardStandardStandardSlottedStandard-StandardStandardStandardStandardSlottedStandardStandardStandard
                                                                            Sales UnitLow Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Box, Pkg.-Box, Pkg.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.
                                                                            Cleaning Method--------------------------------------

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