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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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  • 1 Day(s) or Less
  • 2 Day(s) or Less
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  • 5 Day(s) or Less
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  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
Brand
Product Series
CAD
Days to Ship
Screw Dia. M (after insertion)(mm)
Environmentally friendly
Type
Characteristics/Applications
Material
Screw Type
Length L (after insertion) (D = Thread Dia. M)
Application
Notch
Thread Dia. (After inserted), Unified(inch)
Shape
Sales Unit
Cleaning Method

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

      Recoil-Free (mm) SUS304

        Sprue

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

            E-Certs

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

                Dodge Insert Flange Type (Brass Cadmium-Less)

                  Stainless Steel/Insert Nut Threaded Type / IRU

                    Brass Insert Nut (Screw-In Type) IRB/IRB-C

                      Stainless Steel E-Sert (Unify) (UNC)

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

                          Thread Insert (Box)

                            E-Sert Fine

                              Recoil Packet (Milli)

                                Recoil Packet for Spark Plugs

                                  Nylon Nut Insert / NNI

                                    Thread Insert (Box)

                                      Self Floating Fastener

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

                                          Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

                                            Techlock (SL)

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

                                                Sel Locking Fastener SLN (Non-Lock)

                                                  Sprue (Fine, P=1.25)

                                                    Sprue (Unified) (UNC)

                                                      Ultrasert UD2 / UD4 (Brass Cadmium-Free)

                                                        Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                                          Recoil Packet (UNF)

                                                            Stainless Steel Sprue (Other, Fine)

                                                              Stainless Steel Sprue (Unify) (UNC)

                                                                Stainless Steel E-Sert Hemlock-Made

                                                                  Screw Reinforcement Tangless Insert

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

                                                                      Brass Bit Insert (Flange Type) / HFB

                                                                        Brass Mini Bit Inserts / HMIB-Z

                                                                          Sprue (Unify) (UNF)

                                                                            Lock Sprue

                                                                              E-SERT Tongue Break-Off Tool

                                                                                E-SERT Removal Tool

                                                                                  C Lock (CL Type)

                                                                                    Recoil Packet (UNC)

                                                                                      Recoil Packet (METRIC)

                                                                                        Stainless Steel Recoil

                                                                                          Stainless Steel E-Sert Fine (Hemlock-Made)

                                                                                            Stainless Steel E-Sert (Unify) (UNF)

                                                                                            Brand

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            NIPPON SPREW

                                                                                            HIROSUGI-KEIKI

                                                                                            TSUGAMI

                                                                                            HIROSUGI-KEIKI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            SUNCO

                                                                                            HIROSUGI-KEIKI

                                                                                            MISUMI

                                                                                            TSUGAMI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            HIROSUGI-KEIKI

                                                                                            MISUMI

                                                                                            SEL JAPAN

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            JAPAN DRIVEIT

                                                                                            HIROSUGI-KEIKI

                                                                                            SEL JAPAN

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            KS SANGYO

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            TSUGAMI

                                                                                            BOHSEI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            Product Series

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

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

                                                                                            Sprue【1-100 Pieces Per Package】

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

                                                                                            E-Certs【100 Pieces Per Package】

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

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

                                                                                            Stainless Steel/Insert Nut Threaded Type / IRU

                                                                                            Brass Insert Nut (Screw-In Type) IRB/IRB-C

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

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

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

                                                                                            E-Sert Fine

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

                                                                                            Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                            Nylon Nut Insert / NNI

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

                                                                                            Self Floating Fastener【1,000 Pieces Per Package】

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

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

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

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

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

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

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

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

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

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

                                                                                            Stainless Steel Sprue (Other, Fine)【50-100 Pieces Per Package】

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

                                                                                            Stainless Steel E-Sert Hemlock-Made【50-100 Pieces Per Package】

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

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

                                                                                            Brass Bit Insert (Flange Type) / HFB

                                                                                            Brass Mini Bit Inserts / HMIB-Z

                                                                                            Sprue (Unify) (UNF)【50-100 Pieces Per Package】

                                                                                            Lock Sprue【100 Pieces Per Package】

                                                                                            E-SERT Tongue Break-Off Tool

                                                                                            E-SERT Removal Tool

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

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

                                                                                            Recoil Packet (METRIC)【10 Pieces Per Package】

                                                                                            Stainless Steel Recoil【100 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】

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship 5 Day(s) or more 7 Day(s) or more 4 Day(s) or more 11 Day(s) or more 6 Day(s) or more 4 Day(s) or more 5 Day(s) or more 11 Day(s) or more 11 Day(s) or more 5 Day(s) or more 11 Day(s) or more 2 Day(s) or more 5 Day(s) or more 4 Day(s) or more 4 Day(s) or more 11 Day(s) or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 15 Day(s) or more 11 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 11 Day(s) or more 4 Day(s) or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 4 Day(s) or more 7 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more
                                                                                            Screw Dia. M (after insertion)(mm)1.7 ~ 427 ~ 422.5 ~ 301.4 ~ 52.61.4 ~ 582 ~ 82 ~ 8-2.6 ~ 83 ~ 8162 ~ 20142.5 ~ 82.5 ~ 83 ~ 41.4 ~ 62 ~ 43.52.6 ~ 8318 ~ 20-2.6 ~ 103 ~ 5-8 ~ 24-2 ~ 422 ~ 122.6 ~ 82 ~ 51.4 ~ 1.7-83 ~ 20-2 ~ 6-22 ~ 166 ~ 39-
                                                                                            Environmentally friendly---------------------------------------------
                                                                                            TypeStandardStandardStandardPress FitStandardPress FitStandardSelf-TappingSelf-TappingStandardSelf-TappingStandardStandardStandardStandardPress FitTanglessSwagedStandardStandardPress FitSelf-TappingSwagedStandardStandardStandardStandardStandardStandardStandardStandardTanglessSelf-TappingPress FitPress FitStandardStandardToolToolPress FitStandardStandardStandardStandardStandard
                                                                                            Characteristics/Applications---------------------------------------------
                                                                                            MaterialBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeBrassStainless Steel (SUS303/304)BrassBrassStainless 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)NylonStainless Steel (SUS303/304)Steel / Stainless Steel (SUS303/304)BrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)SteelSteelBrassStainless 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) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) Thread--Metric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) Thread
                                                                                            Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D1D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D2.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D1D1D / 1.5D / 2D-2.5D / 3D1D / 1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D1D / 2D1.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D-1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D2D / 3D1.5D1.5D / 2D1D / 1.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D1.5D / 2D1D / 1.5D / 2D / 3D3D---1.5D1D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D
                                                                                            ApplicationResin GeneralLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalResin GeneralCast IronLight Metal-Cast IronLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal-Resin GeneralLight MetalLight MetalResin GeneralResin General-Light MetalLight MetalLight MetalLight MetalResin GeneralResin GeneralLight Metal---Light Metal / Cast Iron / Resin GeneralCast IronLight MetalLight MetalLight MetalLight Metal--Resin GeneralLight Metal----
                                                                                            NotchNot ProvidedProvidedProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedProvidedProvidedProvided-Not ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvided---Provided-ProvidedProvidedProvided
                                                                                            Thread Dia. (After inserted), Unified(inch)---------1"-8 ~ #10-24--------------1/2-13 ~ #10-24--1/2-20 ~ #10-32-#2-56-----1/2-20 ~ 9/16-18----1/2-13 ~ #12-24---1/2-20 ~ #10-32
                                                                                            ShapeStandard--Standard-StandardStandardStandardStandardSlottedSlotted----Standard--StandardStandardStandardSlotted---StandardStandard-StandardStandardStandardStandardStandardStandardStandard----Standard--StandardStandardStandard
                                                                                            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.
                                                                                            Cleaning Method---------------------------------------------

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