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Insert(Sales Unit:Box, Pkg.)

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)

    Ultrasert UD2 / UD4 (Brass Cadmium-Free)

      Techlock (SL)

      • On Sale Till 31/03/2025

      Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

        Recoil-Free (mm) SUS304

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

            Brass Bit Insert (Flange Type) / HFB

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

                C Lock (CL Type)

                • On Sale Till 31/03/2025

                Thread Insert (Box)

                  Dodge Bit Insert Standard SD (Brass Cadmium-Less)

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

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

                        Stainless Steel/Insert Nut Threaded Type / IRU

                          Dodge Insert Flange Type (Brass Cadmium-Less)

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

                              Sprue (Unified) (UNC)

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

                                  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

                                          E-SERT Removal Tool

                                            Screw Reinforcement Tangless Insert

                                              Lock E-Sert (Fine Mesh)

                                                Brass Ultrasert II/HUD II

                                                  Insert Nut, Screw-in Type, Insertion Jig, Dedicated for Without Slot / IR-00

                                                    Sel Locking Fastener SLN (Non-Lock)

                                                      Sprue

                                                        E-SERT Tongue Break-Off Tool

                                                          Recoil Packet (Milli)

                                                            Recoil Packet (UNC)

                                                              Recoil Packet for Spark Plugs

                                                                Stainless Steel E-Sert Fine (Hemlock-Made)

                                                                  Stainless Steel E-Sert (Unify) (UNF)

                                                                    Lock Recoil

                                                                      Brass Mini Bit Inserts / HMIB-Z

                                                                        Brass Ultrasert IV/HUD IV

                                                                          Thread Insert (Box)

                                                                            Self Floating Fastener

                                                                              Sprue (Fine, P=1.25)

                                                                                Sprue (Unify) (UNF)

                                                                                  Lock Sprue

                                                                                    E-Sert Fine

                                                                                      Recoil Packet (UNF)

                                                                                      Brand

                                                                                      TOKAI METAL INDUSTRY

                                                                                      TOKAI METAL INDUSTRY

                                                                                      JAPAN DRIVEIT

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      BOHSEI

                                                                                      MISUMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      HIROSUGI-KEIKI

                                                                                      NIPPON SPREW

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      TSUGAMI

                                                                                      KS SANGYO

                                                                                      SUNCO

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      SEL JAPAN

                                                                                      NIPPON SPREW

                                                                                      TSUGAMI

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      HIROSUGI-KEIKI

                                                                                      HIROSUGI-KEIKI

                                                                                      MISUMI

                                                                                      SEL JAPAN

                                                                                      NIPPON SPREW

                                                                                      NIPPON SPREW

                                                                                      NIPPON SPREW

                                                                                      TSUGAMI

                                                                                      RECOIL

                                                                                      Product Series

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

                                                                                      Ultrasert UD2 / UD4 (Brass Cadmium-Free)【600-5,000 Pieces Per Package】

                                                                                      Techlock (SL)【5,000 Pieces Per Package】

                                                                                      Dodge Bit Insert Flange Type (Brass Cadmium-Free)【3,000-5,000 Pieces Per Package】

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

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

                                                                                      Brass Bit Insert (Flange Type) / HFB

                                                                                      DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【400-15,000 Pieces Per Package】

                                                                                      C Lock (CL Type)【100 Pieces Per Package】

                                                                                      Thread Insert (Box)【100 Pieces Per Package】

                                                                                      Dodge Bit Insert Standard SD (Brass Cadmium-Less)【500-2,000 Pieces Per Package】

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

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

                                                                                      Stainless Steel/Insert Nut Threaded Type / IRU

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

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

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

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

                                                                                      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

                                                                                      E-SERT Removal Tool

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

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

                                                                                      Brass Ultrasert II/HUD II

                                                                                      Insert Nut, Screw-in Type, Insertion Jig, Dedicated for Without Slot / IR-00

                                                                                      Sel Locking Fastener SLN (Non-Lock)【1,000 Pieces Per Package】

                                                                                      Sprue【1-100 Pieces Per Package】

                                                                                      E-SERT Tongue Break-Off Tool

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

                                                                                      Recoil Packet (UNC)【10 Pieces Per Package】

                                                                                      Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                      Stainless Steel E-Sert Fine (Hemlock-Made)【20-100 Pieces Per Package】

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

                                                                                      Lock Recoil【500 Pieces Per Package】

                                                                                      Brass Mini Bit Inserts / HMIB-Z

                                                                                      Brass Ultrasert IV/HUD IV

                                                                                      Thread Insert (Box)【100 Pieces Per Package】

                                                                                      Self Floating Fastener【1,000 Pieces Per Package】

                                                                                      Sprue (Fine, P=1.25)【50-100 Pieces Per Package】

                                                                                      Sprue (Unify) (UNF)【10-100 Pieces Per Package】

                                                                                      Lock Sprue【100 Pieces Per Package】

                                                                                      E-Sert Fine

                                                                                      Recoil Packet (UNF)【10 Pieces Per Package】

                                                                                      CAD
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      Days to Ship 4 Day(s) or more 4 Day(s) or more 14 Day(s) or more 4 Day(s) or more 7 Day(s) 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 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 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 4 Day(s) or more 5 Day(s) or more 4 Day(s) or more 11 Day(s) or more 11 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 11 Day(s) or more 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
                                                                                      Screw Dia. M (after insertion)(mm)1.7 ~ 42.6 ~ 103.52 ~ 427 ~ 422.6 ~ 82 ~ 51.4 ~ 62 ~ 63 ~ 83 ~ 52.6 ~ 81.4 ~ 52 ~ 881.4 ~ 5-2.6 ~ 82.6 ~ 82.6 ~ 52.6 ~ 53 ~ 8-2 ~ 128 ~ 332.6 ~ 8-32.5 ~ 303 ~ 202 ~ 20-146 ~ 39-81.4 ~ 1.72 ~ 102.5 ~ 83 ~ 418 ~ 20-816-
                                                                                      TypeStandardStandardPress FitStandardStandardSelf-TappingPress FitStandardPress FitStandardStandardSelf-TappingPress FitSelf-TappingStandardPress FitStandardSelf-TappingSelf-TappingPress FitPress FitPress FitToolTanglessStandardPress FitToolSwagedStandardToolStandardStandardStandardStandardStandardStandardPress FitPress FitTanglessSwagedStandardStandardStandardStandardStandard
                                                                                      MaterialBrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassBrassSteelStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Brass-Stainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeSteelStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Steel / Stainless Steel (SUS303/304)Stainless 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) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) Thread-Metric (Coarse) ThreadMetric (Coarse) Thread-Metric (Coarse) Thread / Metric (Fine) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) Thread
                                                                                      Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1.5D1D / 2D1D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.7D-1D / 1.5D / 2D2D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1.5D / 2D / 2.5D / 3D / 3.5D2D / 2.5D1.5D / 2D / 2.5D-1D / 1.5D / 2D1D / 1.5D / 2D1.5D / 2D / 2.5D--1D / 1.5D / 2D / 2.5D / 3D-1D / 1.5D / 2D1.5D-1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D2D1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D-1.5D / 2D1D / 1.5D / 2D / 3D3D1D1.5D
                                                                                      ApplicationResin GeneralResin General-Resin GeneralLight MetalCast IronLight MetalResin GeneralResin GeneralLight MetalResin GeneralCast IronLight MetalCast IronResin GeneralLight MetalLight MetalCast IronLight MetalLight MetalLight MetalLight Metal-Light Metal / Cast Iron / Resin General-Light Metal-Light MetalLight Metal-Light MetalLight Metal----Light MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal
                                                                                      NotchNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot Provided-ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided-ProvidedProvidedNot Provided-Not ProvidedProvided-ProvidedProvided-ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvided
                                                                                      Thread Dia. (After inserted), Unified(inch)----------------1/2-13 ~ #10-24--------------1/4-20 ~ 7/16-14--1/2-20 ~ #10-32------1/2-20 ~ 9/16-18--5/16-24 ~ 7/16-20
                                                                                      ShapeStandardStandardStandardStandard-SlottedStandardStandardStandard-StandardStandardStandardStandardStandardStandard-SlottedSlottedStandardStandardStandard-Standard-Standard-------StandardStandard-StandardStandard-------
                                                                                      Sales UnitBox, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.

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