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Insert(Length L (after insertion) (D = Thread Dia. M):1D)

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

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

      Thread Inserts

        Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

          Recoil-Free (mm) SUS304

            Ultrasert UD2 / UD4 (Brass Cadmium-Free)

              Nitronic 60 Insert

                Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                  Techlock (SL)

                    Brass Bit Insert (Flange Type) / HFB

                      Thread Inserts/Tangless

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

                          Insert SUS316

                            Recoil-Free (UNF) SUS304

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

                                Coil Thread R

                                  Tangless Insert Metric Coarse

                                    Tangless Insert (SUS304)

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

                                        Thread Insert (Box)

                                          E-Certs

                                            Recoil Packet (Milli)

                                              Sprue

                                                Tangless insert metric coarsephosphor bronze

                                                  Stainless Steel Sprue (Unify) (UNC)

                                                    Sprue (Unified) (UNC)

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

                                                        Stainless Steel/Insert Nut Threaded Type / IRU

                                                          Brass Ultrasert IV/HUD IV

                                                            Tangless Insert Unified Coarse

                                                              Insert Phosphor Bronze

                                                                Insert, Inconel X-750

                                                                  Stainless Steel E-Sert Fine (Hemlock-Made)

                                                                    Stainless Steel E-Sert (Unify) (UNF)

                                                                      Male Screw Repair Coil Thread -R

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

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

                                                                            Sprue (Fine, P=1.25)

                                                                              Sprue (Unify) (UNF)

                                                                                Lock Sprue

                                                                                  E-Sert Fine

                                                                                    E-Sert Unified (UNC)

                                                                                      Recoil Free (UNC) SUS304

                                                                                        Lock Recoil (mm) SUS304

                                                                                          Sparrow (Type SP)

                                                                                            Tangless insert metric coarselocking

                                                                                            Brand

                                                                                            TOKAI METAL INDUSTRY

                                                                                            MISUMI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            TOKAI METAL INDUSTRY

                                                                                            JAPAN DRIVEIT

                                                                                            HIROSUGI-KEIKI

                                                                                            MISUMI

                                                                                            HIROSUGI-KEIKI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            HIROSUGI-KEIKI

                                                                                            ACCURATE

                                                                                            ACCURATE

                                                                                            RECOIL

                                                                                            HIROSUGI-KEIKI

                                                                                            MISUMI

                                                                                            TSUGAMI

                                                                                            RECOIL

                                                                                            NIPPON SPREW

                                                                                            ACCURATE

                                                                                            SUNCO

                                                                                            NIPPON SPREW

                                                                                            TOKAI METAL INDUSTRY

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            ACCURATE

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            KS SANGYO

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            TSUGAMI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            JAPAN DRIVEIT

                                                                                            ACCURATE

                                                                                            Product Series

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

                                                                                            Thread Inserts

                                                                                            Dodge Bit Insert Flange Type (Brass Cadmium-Free)【1-3,000 Pieces Per Package】

                                                                                            Recoil-Free (mm) SUS304【1-3 Pieces Per Package】

                                                                                            Ultrasert UD2 / UD4 (Brass Cadmium-Free)【1-800 Pieces Per Package】

                                                                                            Nitronic 60 Insert

                                                                                            Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                                                                            Techlock (SL)

                                                                                            Brass Bit Insert (Flange Type) / HFB

                                                                                            Thread Inserts/Tangless

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

                                                                                            Insert SUS316

                                                                                            Recoil-Free (UNF) SUS304

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

                                                                                            Coil Thread R

                                                                                            Tangless Insert Metric Coarse

                                                                                            Tangless Insert (SUS304)

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

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

                                                                                            E-Certs

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

                                                                                            Sprue【1-100 Pieces Per Package】

                                                                                            Tangless insert metric coarsephosphor bronze

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

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

                                                                                            DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【1-15,000 Pieces Per Package】

                                                                                            Stainless Steel/Insert Nut Threaded Type / IRU

                                                                                            Brass Ultrasert IV/HUD IV

                                                                                            Tangless Insert Unified Coarse

                                                                                            Insert Phosphor Bronze

                                                                                            Insert, Inconel X-750

                                                                                            Stainless Steel E-Sert Fine (Hemlock-Made)【1-100 Pieces Per Package】

                                                                                            Stainless Steel E-Sert (Unify) (UNF)【1-100 Pieces Per Package】

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

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

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

                                                                                            Sprue (Fine, P=1.25)

                                                                                            Sprue (Unify) (UNF)【1-100 Pieces Per Package】

                                                                                            Lock Sprue

                                                                                            E-Sert Fine

                                                                                            E-Sert Unified (UNC)

                                                                                            Recoil Free (UNC) SUS304

                                                                                            Lock Recoil (mm) SUS304

                                                                                            Sparrow (Type SP)

                                                                                            Tangless insert metric coarselocking

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship Same day or more Same day or more Same day 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 11 Day(s) or more 4 Day(s) or more 11 Day(s) or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more 8 Day(s) or more Same day or more 4 Day(s) or more 11 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 8 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 8 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 5 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 4 Day(s) or more 7 Day(s) or more
                                                                                            Screw Dia. M (after insertion)(mm)2 ~ 63 ~ 163 ~ 82 ~ 422.6 ~ 103 ~ 1253 ~ 103 ~ 42.5 ~ 102.6 ~ 83 ~ 16-2 ~ 53 ~ 62 ~ 242.5 ~ 122.6 ~ 83 ~ 82 ~ 243 ~ 162 ~ 303 ~ 6--1.7 ~ 62 ~ 83 ~ 10-3 ~ 243 ~ 126 ~ 30-3 ~ 62.6 ~ 82.6 ~ 810 ~ 20-1010 ~ 16--3 ~ 2042.5 ~ 12
                                                                                            TypeStandardStandardStandardStandardStandardStandardStandardPress FitPress FitTanglessSelf-TappingStandardStandardPress FitStandardTanglessTanglessSelf-TappingStandardStandardStandardStandardTanglessStandardStandardStandardSelf-TappingPress FitTanglessStandardStandardStandardStandardStandardSelf-TappingSelf-TappingStandardStandardStandardStandardStandardStandardStandardPress FitTangless
                                                                                            MaterialBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassNitrox 60BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS316)Stainless Steel (SUS303/304)BrassStainless 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) / Phosphor BronzePhosphor BronzeStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Phosphor BronzeInconel X-750Stainless Steel (SUS303/304)Stainless 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)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)
                                                                                            Screw TypeMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread
                                                                                            Length L (after insertion) (D = Thread Dia. M)1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D
                                                                                            ApplicationResin GeneralLight MetalResin GeneralLight MetalResin GeneralLight MetalResin General-Light MetalLight MetalCast IronLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalCast IronLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin General-Light MetalResin GeneralCast IronLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight Metal / Cast Iron--Light Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalResin GeneralLight Metal / Cast Iron / Resin General
                                                                                            NotchNot ProvidedProvidedNot ProvidedProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot Provided-Not ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvided-ProvidedProvidedNot ProvidedNot ProvidedNot Provided-ProvidedProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedNot Provided-
                                                                                            Thread Dia. (After inserted), Unified(inch)------------1/4-28 ~ #10-32----------#2-561/2-13 ~ #10-24---1/4 ~ 10---1/2-20 ~ #8-36----1/4-28 ~ #10-32---1/2-13 ~ #10-24---
                                                                                            ShapeStandard-Standard-Standard-StandardStandardStandard-Slotted--Standard---Slotted-----Standard-StandardStandardStandard---StandardStandardStandardSlottedSlotted-------Standard-
                                                                                            Sales UnitLow Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / 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.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.--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.) / 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.-Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)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.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)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.)Low Quantity (Available beginning with 1 pc.)-

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