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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

Days to Ship
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  • Same day
  • 3 Day(s) or Less
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 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 31/03/2025

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

  • On Sale Till 31/03/2025

Thread Inserts

    Ultrasert UD2 / UD4 (Brass Cadmium-Free)

      Techlock (SL)

        Nitronic 60 Insert

          Recoil-Free (mm) SUS304

          • On Sale Till 31/03/2025

          Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

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

              Insert SUS316

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

                  Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                  • On Sale Till 31/03/2025

                  Heat-Lok (HL Type)

                    Brass Bit Insert (Flange Type) / HFB

                      Stainless Steel/Insert Nut Threaded Type / IRU

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

                        • On Sale Till 31/03/2025

                        Thread Insert (Box)

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

                            TEC Sonic (TEC Type)

                              Dodge Insert Flange Type (Brass Cadmium-Less)

                                Stainless Steel E-Sert Fine (Hemlock-Made)

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

                                    Tangless Insert Unified Coarse

                                    • On Sale Till 31/03/2025

                                    Thread Inserts/Tangless

                                      E-Certs

                                        Insert Phosphor Bronze

                                          Sparrow (Type SP)

                                            Coil Thread R

                                              Sprue (Unified) (UNC)

                                                Lock Recoil (mm) SUS304

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

                                                  • On Sale Till 31/03/2025

                                                  Tangless Insert Metric Coarse

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

                                                      Brass Dutch Insert (Standard) / HSD

                                                        Brass Dutch Insert (Flanged) / HFD

                                                          Brass Ultrasert IV (Flanged) / HFU

                                                            Sprue

                                                              Recoil-Free (Specified mm) SUS304

                                                                Tangless Insert (SUS304)

                                                                  Mini TEC (MT Type)

                                                                    Tangless insert metric coarsephosphor bronze

                                                                      Stainless Steel Tangless Insert

                                                                        Lock E-Sert (Fine Mesh)

                                                                          Brass Ultrasert II/HUD II

                                                                            Thread Insert (Box)

                                                                              Recoil Packet (Milli)

                                                                              Brand

                                                                              TOKAI METAL INDUSTRY

                                                                              MISUMI

                                                                              TOKAI METAL INDUSTRY

                                                                              JAPAN DRIVEIT

                                                                              RECOIL

                                                                              RECOIL

                                                                              TOKAI METAL INDUSTRY

                                                                              HIROSUGI-KEIKI

                                                                              RECOIL

                                                                              TOKAI METAL INDUSTRY

                                                                              TOKAI METAL INDUSTRY

                                                                              JAPAN DRIVEIT

                                                                              HIROSUGI-KEIKI

                                                                              HIROSUGI-KEIKI

                                                                              HIROSUGI-KEIKI

                                                                              MISUMI

                                                                              HIROSUGI-KEIKI

                                                                              JAPAN DRIVEIT

                                                                              TOKAI METAL INDUSTRY

                                                                              SUNCO

                                                                              HIROSUGI-KEIKI

                                                                              ACCURATE

                                                                              MISUMI

                                                                              TSUGAMI

                                                                              RECOIL

                                                                              JAPAN DRIVEIT

                                                                              ACCURATE

                                                                              NIPPON SPREW

                                                                              RECOIL

                                                                              HIROSUGI-KEIKI

                                                                              ACCURATE

                                                                              HIROSUGI-KEIKI

                                                                              HIROSUGI-KEIKI

                                                                              HIROSUGI-KEIKI

                                                                              HIROSUGI-KEIKI

                                                                              NIPPON SPREW

                                                                              RECOIL

                                                                              RECOIL

                                                                              JAPAN DRIVEIT

                                                                              ACCURATE

                                                                              SUNCO

                                                                              SUNCO

                                                                              HIROSUGI-KEIKI

                                                                              MISUMI

                                                                              RECOIL

                                                                              Product Series

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

                                                                              Thread Inserts

                                                                              Ultrasert UD2 / UD4 (Brass Cadmium-Free)【1-5,000 Pieces Per Package】

                                                                              Techlock (SL)

                                                                              Nitronic 60 Insert

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

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

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

                                                                              Insert SUS316

                                                                              DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【1-10,000 Pieces Per Package】

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

                                                                              Heat-Lok (HL Type)【1-500 Pieces Per Package】

                                                                              Brass Bit Insert (Flange Type) / HFB

                                                                              Stainless Steel/Insert Nut Threaded Type / IRU

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

                                                                              Thread Insert (Box)【100 Pieces Per Package】

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

                                                                              TEC Sonic (TEC Type)

                                                                              Dodge Insert Flange Type (Brass Cadmium-Less)【1-600 Pieces Per Package】

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

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

                                                                              Tangless Insert Unified Coarse

                                                                              Thread Inserts/Tangless

                                                                              E-Certs

                                                                              Insert Phosphor Bronze

                                                                              Sparrow (Type SP)

                                                                              Coil Thread R

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

                                                                              Lock Recoil (mm) SUS304

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

                                                                              Tangless Insert Metric Coarse【1-50 Pieces Per Package】

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

                                                                              Brass Dutch Insert (Standard) / HSD

                                                                              Brass Dutch Insert (Flanged) / HFD

                                                                              Brass Ultrasert IV (Flanged) / HFU

                                                                              Sprue【1-100 Pieces Per Package】

                                                                              Recoil-Free (Specified mm) SUS304

                                                                              Tangless Insert (SUS304)

                                                                              Mini TEC (MT Type)【5,000 Pieces Per Package】

                                                                              Tangless insert metric coarsephosphor bronze

                                                                              Stainless Steel Tangless Insert

                                                                              Lock E-Sert (Fine Mesh)【100 Pieces Per Package】

                                                                              Brass Ultrasert II/HUD II

                                                                              Thread Insert (Box)【100 Pieces Per Package】

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

                                                                              CAD
                                                                              • 2D / 3D
                                                                              • 2D / 3D
                                                                              • 2D / 3D
                                                                              • 2D / 3D
                                                                              • 2D / 3D
                                                                              Days to Ship Same day or more Same day or more Same day or more Same day or more 4 Day(s) or more 4 Day(s) or more Same day 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 4 Day(s) or more 11 Day(s) or more 11 Day(s) or more Same day 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 8 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 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 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more 17 Day(s) 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 4 Day(s) or more
                                                                              Screw Dia. M (after insertion)(mm)1.7 ~ 63 ~ 162 ~ 62 ~ 63 ~ 122 ~ 422 ~ 52.6 ~ 63 ~ 161.4 ~ 63 ~ 83 ~ 62.6 ~ 52 ~ 61.4 ~ 53 ~ 82.6 ~ 62 ~ 62.6 ~ 86 ~ 241.4 ~ 5-2.5 ~ 102 ~ 243 ~ 202 ~ 43 ~ 6-3 ~ 202.6 ~ 62 ~ 202.6 ~ 62.6 ~ 53 ~ 53 ~ 52 ~ 308 ~ 242.5 ~ 121.63 ~ 62 ~ 20165 ~ 62.5 ~ 83 ~ 16
                                                                              TypeStandardStandardStandardPress FitStandardStandardStandardSelf-TappingStandardStandardStandardPress FitPress FitSelf-TappingPress FitStandardSelf-TappingPress FitStandardStandardPress FitTanglessTanglessStandardStandardPress FitStandardStandardStandardSelf-TappingTanglessSelf-TappingPress FitPress FitPress FitStandardStandardTanglessPress FitTanglessTanglessStandardPress FitTanglessStandard
                                                                              MaterialBrassStainless Steel (SUS303/304)BrassBrassNitrox 60Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS316)BrassBrassBrassBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Phosphor BronzeBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassBrassStainless Steel (SUS303/304) / Phosphor BronzeStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassPhosphor BronzeStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless 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) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) Thread
                                                                              Length L (after insertion) (D = Thread Dia. M)2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D
                                                                              ApplicationResin GeneralLight MetalResin General-Light MetalLight MetalResin GeneralCast IronLight MetalResin GeneralResin GeneralResin GeneralLight MetalCast IronLight MetalLight MetalCast Iron-Resin General-Light MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalResin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalCast IronLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight Metal-Light Metal / Cast Iron / Resin General--Light MetalLight MetalLight Metal
                                                                              NotchNot ProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot Provided-Not ProvidedProvidedProvidedNot Provided-ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot Provided-ProvidedProvidedNot ProvidedNot ProvidedProvided
                                                                              Thread Dia. (After inserted), Unified(inch)---------------------1/4 ~ 10-----1/2-13 ~ #10-24-----------------
                                                                              ShapeStandard-StandardStandard--StandardSlotted-StandardStandardStandardStandardStandardStandard-StandardStandardStandardStandardStandard----Standard---Slotted-SlottedStandardStandardStandard---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.)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.-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.) / 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.)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.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.Box, Pkg.

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