Insert(Length L (after insertion) (D = Thread Dia. M):2D)

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

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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)

      Thread Inserts

        Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

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

            Helicoil 1084

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

                Brass Bit Insert (Flanged) / HFB

                  Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                    Insert Nitronics 60

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

                        Thread Inserts/Tangless

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

                            Thread Insert (Box)

                              Recoil-Free (mm) SUS304

                                Sparrow (Type SP)

                                  Male Screw Repair Coil Thread -R

                                    Stainless Steel/Insert Nut Threaded Type / IRU

                                      Techlock (SL)

                                        Screwsert (Type SCT)

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

                                            Recoil Packet (mm)

                                              Lock Recoil (Millimeter) SUS304

                                                Insert SUS316

                                                  TEC Sonic (TEC Type)

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

                                                      Sprue

                                                        Recoil-Free (UNC) SUS304

                                                          Flat Head Sonic Lock (Type SHK)

                                                            Tangless insert metric coarselocking

                                                              Stainless Steel E-Sert Fine (Hemlock-Made)

                                                                Screw Reinforcement Tangless Insert

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

                                                                    Tongueless Insert Metric Coarse

                                                                      Sprue (Unified) (UNC)

                                                                        Sprue (Unify) (UNF)

                                                                          Ultrasert 4 FUIV, Flange Type (Brass, Cadmium-Free)

                                                                            Recoil-Free (UNF) SUS304

                                                                              Insert, Inconel X-750

                                                                                Tongueless Insert

                                                                                  Sonic Lock (SL-4)

                                                                                    Tangless insert metric coarsetaping packaging

                                                                                      Lock E-Sert

                                                                                        Lock Type Sprew (Fine)

                                                                                          Lock Recoil

                                                                                            Aluminum Insert Nut Threaded Type / IRL-K

                                                                                            Brand

                                                                                            TOKAI METAL INDUSTRY

                                                                                            MISUMI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            NIPPON POP RIVETS AND FASTENERS

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            HIROSUGI-KEIKI

                                                                                            MISUMI

                                                                                            HIROSUGI-KEIKI

                                                                                            MISUMI

                                                                                            RECOIL

                                                                                            JAPAN DRIVEIT

                                                                                            KS SANGYO

                                                                                            HIROSUGI-KEIKI

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            JAPAN DRIVEIT

                                                                                            HIROSUGI-KEIKI

                                                                                            NIPPON SPREW

                                                                                            RECOIL

                                                                                            JAPAN DRIVEIT

                                                                                            ACCURATE

                                                                                            SUNCO

                                                                                            KS SANGYO

                                                                                            HIROSUGI-KEIKI

                                                                                            ACCURATE

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            JAPAN DRIVEIT

                                                                                            ACCURATE

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            HIROSUGI-KEIKI

                                                                                            Product Series

                                                                                            Ultrasert UD2 / UD4 (Brass Cadmium-Free)【1-2,000 Pieces Per Package】

                                                                                            Thread Inserts

                                                                                            Dodge Bit Insert Flange Type (Brass Cadmium-Free)【1-5,000 Pieces Per Package】

                                                                                            Dodge Bit Insert, Standard, SB (Brass, Cadmium-Free)【1-7,000 Pieces Per Package】

                                                                                            Helicoil 1084【100 Pieces Per Package】

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

                                                                                            Brass Bit Insert (Flanged) / HFB

                                                                                            Dodge Bit Insert Standard SD (Brass Cadmium-Less)【1-2,000 Pieces Per Package】

                                                                                            Insert Nitronics 60

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

                                                                                            Thread Inserts/Tangless

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

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

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

                                                                                            Sparrow (Type SP)【1-5,000 Pieces Per Package】

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

                                                                                            Stainless Steel/Insert Nut Threaded Type / IRU

                                                                                            Techlock (SL)

                                                                                            Screwsert (Type SCT)【1-200 Pieces Per Package】

                                                                                            Dodge Bit Inserts (Standard) SB (Z) Type (Double Side Finishing) Brass (Cadmium-Free)【1-10,000 Pieces Per Package】

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

                                                                                            Lock Recoil (Millimeter) SUS304

                                                                                            Insert SUS316

                                                                                            TEC Sonic (TEC Type)

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

                                                                                            Sprue【1-10 Pieces Per Package】

                                                                                            Recoil-Free (UNC) SUS304

                                                                                            Flat Head Sonic Lock (Type SHK)

                                                                                            Tangless insert metric coarselocking

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

                                                                                            Screw Reinforcement Tangless Insert【10-20 Pieces Per Package】

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

                                                                                            Tongueless Insert Metric Coarse

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

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

                                                                                            Ultrasert 4 FUIV, Flange Type (Brass, Cadmium-Free)【1-1,000 Pieces Per Package】

                                                                                            Recoil-Free (UNF) SUS304

                                                                                            Insert, Inconel X-750

                                                                                            Tongueless Insert

                                                                                            Sonic Lock (SL-4)【2,000 Pieces Per Package】

                                                                                            Tangless insert metric coarsetaping packaging

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

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

                                                                                            Lock Recoil【20-500 Pieces Per Package】

                                                                                            Aluminum Insert Nut Threaded Type / IRL-K

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship 3 Day(s) 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 3 Day(s) or more 4 Day(s) or more 8 Day(s) or more Same day or more 10 Day(s) or more Same day or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more 8 Day(s) or more Same day or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 8 Day(s) or more 3 Day(s) or more 3 Day(s) 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 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 14 Day(s) or more 3 Day(s) or more 3 Day(s) or more 14 Day(s) or more 14 Day(s) or more 10 Day(s) or more
                                                                                            TypeStandardStandardStandardStandardStandardSelf-TappingPress FitStandardStandardSelf-TappingTanglessSelf-TappingStandardStandardPress FitStandardSelf-TappingPress FitSelf-TappingStandardStandardStandardStandardPress FitSelf-TappingStandardStandardPress FitTanglessStandardTanglessSelf-TappingTanglessStandardStandardStandardStandardStandardTanglessPress FitTanglessStandardStandardStandardSelf-Tapping
                                                                                            ApplicationResin GeneralLight MetalResin GeneralResin GeneralLight MetalCast IronLight MetalResin GeneralLight MetalLight MetalLight MetalCast IronLight MetalLight MetalResin GeneralLight Metal / Cast Iron / Resin GeneralCast Iron-Resin GeneralResin GeneralLight MetalLight MetalLight Metal-Light MetalLight MetalLight Metal-Light Metal / Cast Iron / Resin General-Light Metal / Cast Iron / Resin GeneralCast IronLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalResin GeneralLight MetalLight Metal / Cast IronLight Metal-Light Metal / Cast Iron / Resin General---Light Metal
                                                                                            MaterialBrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassNitrox 60BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS316)BrassBrassStainless Steel (SUS303/304)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)BrassStainless Steel (SUS303/304)Inconel X-750Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Aluminum
                                                                                            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) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread
                                                                                            Screw Dia. M (after insertion)(mm)2 ~ 63 ~ 162 ~ 51.7 ~ 62.5 ~ 122.6 ~ 62.6 ~ 53 ~ 83 ~ 122.6 ~ 62.5 ~ 102.6 ~ 63 ~ 82 ~ 422 ~ 43 ~ 62 ~ 62 ~ 63 ~ 101.4 ~ 63 ~ 162.5 ~ 243 ~ 162 ~ 62 ~ 62 ~ 20-2 ~ 62.5 ~ 126 ~ 392 ~ 122.6 ~ 62 ~ 20--3 ~ 6-3 ~ 122.5 ~ 1232.5 ~ 52.5 ~ 3610 ~ 222.5 ~ 242 ~ 6
                                                                                            Thread Dia. (After inserted), Unified(inch)--------------------------1"-8 ~ #12-24------1/2-13 ~ #12-241/2-20 ~ #10-32-1"-12 ~ #12-28--------
                                                                                            Length L (after insertion) (D = Thread Dia. M)2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D
                                                                                            NotchNot ProvidedProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedNot Provided-ProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedProvidedProvidedNot ProvidedNot Provided-ProvidedProvidedProvidedNot Provided
                                                                                            ShapeStandard-StandardStandardSlottedSlottedStandardStandard-Slotted-Slotted--StandardStandardStandardStandardStandardStandard---StandardStandard--Standard-StandardStandardStandard---Standard---Standard----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.-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.)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.) / Box, Pkg.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.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.-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.

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