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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
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  • 11 Day(s) or Less
Brand
Product Series
CAD
Days to Ship
Type
Application
Material
Screw Type
Screw Dia. M (after insertion)(mm)
Thread Dia. (After inserted), Unified(inch)
Length L (after insertion) (D = Thread Dia. M)
Notch
Shape
Sales Unit

    Ultrasert UD2 / UD4 (Brass Cadmium-Free)

      Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

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

          Thread Inserts

            Helicoil 1084

              Brass Bit Insert (Flanged) / HFB

                Dodge Bit Insert Standard SD (Brass Cadmium-Less)

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

                    Stainless Steel/Insert Nut Threaded Type (Slotted) / IRU-S

                      Insert Nitronics 60

                        Thread Insert (Box)

                          Recoil-Free (mm) SUS304

                            Thread Inserts/Tangless

                              Insert SUS316

                                Male Screw Repair Coil Thread -R

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

                                    Techlock (SL)

                                      Sparrow (Type SP)

                                        Tongueless Insert Metric Coarse

                                          Recoil Packet (mm)

                                            Lock Recoil (Millimeter) SUS304

                                              Stainless Steel/Insert Nut Threaded Type / IRU

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

                                                  Brass Bit Insert (Standard, Both Faces) / HSB-Z

                                                    Sprue

                                                      E-Certs

                                                        Stainless Steel E-Sert Fine (Hemlock-Made)

                                                          Lock E-Sert

                                                            Brass/Insert Nuts, Screw-In Type / IRB-C

                                                              Sprue (Unified) (UNC)

                                                                Dodge Bit Inserts (Standard) SB (Z) Type (Double Side Finishing) Brass (Cadmium-Free)

                                                                  Recoil-Free (mm) SUS304

                                                                    Insert, Inconel X-750

                                                                      Tongueless Insert

                                                                        Tangless insert metric coarselocking

                                                                          Stainless Steel Recoil

                                                                            Lock Type Sprew (Fine)

                                                                              Lock Recoil

                                                                                Aluminum Insert Nut Threaded Type (Locking Application) / IRL-KW

                                                                                  Brass/Insert Nut, Screw-In Type (Loosening Prevention Coating) / IRB-CW

                                                                                    Tangless Insert Unified Fine

                                                                                      Coil Thread R

                                                                                        Thread Insert (Box)

                                                                                          Sprue (Fine, P=1.25)

                                                                                            Sprue (Fine P = 1.0)

                                                                                            Brand

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            MISUMI

                                                                                            NIPPON POP RIVETS AND FASTENERS

                                                                                            HIROSUGI-KEIKI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            RECOIL

                                                                                            MISUMI

                                                                                            RECOIL

                                                                                            MISUMI

                                                                                            RECOIL

                                                                                            KS SANGYO

                                                                                            HIROSUGI-KEIKI

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            ACCURATE

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            HIROSUGI-KEIKI

                                                                                            NIPPON SPREW

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            ACCURATE

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            ACCURATE

                                                                                            ACCURATE

                                                                                            MISUMI

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            Product Series

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

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

                                                                                            Dodge Bit Insert, Standard, SB (Brass, Cadmium-Free)【1-10,000 Pieces Per Package】

                                                                                            Thread Inserts

                                                                                            Helicoil 1084【1-100 Pieces Per Package】

                                                                                            Brass Bit Insert (Flanged) / HFB

                                                                                            Dodge Bit Insert Standard SD (Brass Cadmium-Less)

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

                                                                                            Stainless Steel/Insert Nut Threaded Type (Slotted) / IRU-S

                                                                                            Insert Nitronics 60

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

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

                                                                                            Thread Inserts/Tangless

                                                                                            Insert SUS316

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

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

                                                                                            Techlock (SL)

                                                                                            Sparrow (Type SP)

                                                                                            Tongueless Insert Metric Coarse

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

                                                                                            Lock Recoil (Millimeter) SUS304

                                                                                            Stainless Steel/Insert Nut Threaded Type / IRU

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

                                                                                            Brass Bit Insert (Standard, Both Faces) / HSB-Z

                                                                                            Sprue

                                                                                            E-Certs

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

                                                                                            Lock E-Sert【1-100 Pieces Per Package】

                                                                                            Brass/Insert Nuts, Screw-In Type / IRB-C

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

                                                                                            Dodge Bit Inserts (Standard) SB (Z) Type (Double Side Finishing) Brass (Cadmium-Free)【1-15,000 Pieces Per Package】

                                                                                            Recoil-Free (mm) SUS304

                                                                                            Insert, Inconel X-750

                                                                                            Tongueless Insert

                                                                                            Tangless insert metric coarselocking

                                                                                            Stainless Steel Recoil【1-100 Pieces Per Package】

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

                                                                                            Lock Recoil【25-100 Pieces Per Package】

                                                                                            Aluminum Insert Nut Threaded Type (Locking Application) / IRL-KW

                                                                                            Brass/Insert Nut, Screw-In Type (Loosening Prevention Coating) / IRB-CW

                                                                                            Tangless Insert Unified Fine

                                                                                            Coil Thread R

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

                                                                                            Sprue (Fine, P=1.25)【1-10 Pieces Per Package】

                                                                                            Sprue (Fine P = 1.0)

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship Same day or more Same day or more 3 Day(s) or more Same day or more 4 Day(s) or more 8 Day(s) or more 3 Day(s) or more 8 Day(s) or more 8 Day(s) or more 4 Day(s) or more Same day or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more 8 Day(s) or more 3 Day(s) or more 4 Day(s) or more Same day or more 3 Day(s) or more 3 Day(s) or more 8 Day(s) or more 10 Day(s) or more 8 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more 10 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more 3 Day(s) or more 7 Day(s) or more 4 Day(s) or more 14 Day(s) or more 14 Day(s) or more 11 Day(s) or more 11 Day(s) or more 8 Day(s) or more 7 Day(s) or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more
                                                                                            TypeStandardStandardStandardStandardStandardPress FitStandardSelf-TappingSelf-TappingStandardStandardStandardTanglessStandardStandardSelf-TappingPress FitPress FitTanglessStandardStandardSelf-TappingSelf-TappingPress FitStandardStandardStandardStandardSelf-TappingStandardStandardStandardStandardTanglessTanglessStandardStandardStandardSelf-TappingSelf-TappingTanglessStandardTanglessStandardStandard
                                                                                            ApplicationResin GeneralResin GeneralResin GeneralLight MetalLight MetalLight MetalResin GeneralLight MetalCast IronLight MetalLight MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralCast Iron-Resin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalCast IronCast IronLight MetalLight MetalLight Metal / Cast Iron / Resin General--Light MetalLight MetalResin GeneralLight MetalLight Metal / Cast IronLight MetalLight Metal / Cast Iron / Resin General---Light MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal
                                                                                            MaterialBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Nitrox 60Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS316)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)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Inconel X-750Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)AluminumBrassStainless 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) Thread / Metric (Fine) 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) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Fine) Thread
                                                                                            Screw Dia. M (after insertion)(mm)2.6 ~ 103 ~ 81.7 ~ 63 ~ 164 ~ 123 ~ 452.6 ~ 82.6 ~ 83 ~ 123 ~ 82 ~ 422.5 ~ 103 ~ 163 ~ 62.6 ~ 83 ~ 1042 ~ 243 ~ 162.5 ~ 242 ~ 82.6 ~ 82 ~ 52 ~ 202 ~ 246 ~ 392.5 ~ 362 ~ 8-1.7 ~ 68 ~ 243 ~ 122.5 ~ 122.5 ~ 122 ~ 2410 ~ 222.5 ~ 242.6 ~ 82.6 ~ 8-3 ~ 62.5 ~ 810 ~ 2210
                                                                                            Thread Dia. (After inserted), Unified(inch)-----------------------------1/2-13 ~ #12-24----------1/4 ~ 10----
                                                                                            Length L (after insertion) (D = Thread Dia. M)1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D
                                                                                            NotchNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedNot ProvidedProvidedNot ProvidedProvidedProvidedNot Provided-ProvidedProvidedProvidedNot ProvidedNot Provided--Not ProvidedProvidedProvided
                                                                                            ShapeStandardStandardStandard-SlottedStandardStandardSlottedSlotted-----StandardSlottedStandardStandard---StandardStandardStandard--Standard-Standard-Standard----Standard--StandardStandard-----
                                                                                            Sales UnitLow 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.)-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.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.)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.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.)-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.--Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)

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