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Insert

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
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
  • On Sale Till 31/03/2025

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

    Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

      Techlock (SL)

        Ultrasert UD2 / UD4 (Brass Cadmium-Free)

          Brass Bit Insert (Flange Type) / HFB

            C Lock (CL Type)

              C-Lock (HCL Type)

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

                  Brass Ensat Thread Plastic Deformation Type, Model 305

                    Sparrow (Type SP)

                      Dodge Insert Flange Type (Brass Cadmium-Less)

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

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

                            Brass Mini Bit Inserts / HMIB-Z

                              Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                B-LOK N42 Type

                                • On Sale Till 31/03/2025

                                Heat-Lok (HL Type)

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

                                    Stainless Steel/Insert Nut Threaded Type / IRU

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

                                        Flat Head Sonic Lock (Type SHK)

                                          Sparrow Insert With Flat Head (HSR Type)

                                            Screwsert (Type SCT)

                                              Stainless Steel E-Sert Fine (Hemlock-Made)

                                                Screw Reinforcement Tangless Insert

                                                  Brass Ultrasert II/HUD II

                                                    Mini TEC (MT Type)

                                                      TEC Sonic (TEC Type)

                                                        FLO-TECH (FTC Type)

                                                          Brass Sonic Lock (SL Type)

                                                            Brass Flat Head Sonic Lock (SHK Type)

                                                              Stainless Steel Sprue (Unify) (UNC)

                                                                Male Screw Repair Coil Thread -R

                                                                  Brass Ultrasert IV (Flanged) / HFU

                                                                    C TEC (CT Type)

                                                                      Ensat Extra Coarse External Thread Type, Model 309

                                                                        Press-Lok (PLK Type)

                                                                          Fin-Lok (FL Type)

                                                                            Stainless Steel Tangless Insert

                                                                              Stainless Steel Sprue (Other, Fine)

                                                                                Stainless Steel Sprue (Unify) (UNF)

                                                                                  Stainless Steel Recoil

                                                                                    Stainless Steel E-Sert Hemlock-Made

                                                                                      Stainless Steel E-Sert (Unify) (UNF)

                                                                                        Brass Insert Nut (Screw-In Type) IRB-W/-CW

                                                                                        Brand

                                                                                        TOKAI METAL INDUSTRY

                                                                                        TOKAI METAL INDUSTRY

                                                                                        JAPAN DRIVEIT

                                                                                        TOKAI METAL INDUSTRY

                                                                                        HIROSUGI-KEIKI

                                                                                        BOHSEI

                                                                                        BOHSEI

                                                                                        TOKAI METAL INDUSTRY

                                                                                        KKV

                                                                                        JAPAN DRIVEIT

                                                                                        TOKAI METAL INDUSTRY

                                                                                        HIROSUGI-KEIKI

                                                                                        HIROSUGI-KEIKI

                                                                                        HIROSUGI-KEIKI

                                                                                        TOKAI METAL INDUSTRY

                                                                                        JAPAN DRIVEIT

                                                                                        JAPAN DRIVEIT

                                                                                        HIROSUGI-KEIKI

                                                                                        HIROSUGI-KEIKI

                                                                                        TOKAI METAL INDUSTRY

                                                                                        JAPAN DRIVEIT

                                                                                        JAPAN DRIVEIT

                                                                                        JAPAN DRIVEIT

                                                                                        SUNCO

                                                                                        KS SANGYO

                                                                                        HIROSUGI-KEIKI

                                                                                        JAPAN DRIVEIT

                                                                                        JAPAN DRIVEIT

                                                                                        JAPAN DRIVEIT

                                                                                        SUNCO

                                                                                        SUNCO

                                                                                        SUNCO

                                                                                        KS SANGYO

                                                                                        HIROSUGI-KEIKI

                                                                                        BOHSEI

                                                                                        KKV

                                                                                        JAPAN DRIVEIT

                                                                                        JAPAN DRIVEIT

                                                                                        SUNCO

                                                                                        SUNCO

                                                                                        SUNCO

                                                                                        SUNCO

                                                                                        SUNCO

                                                                                        SUNCO

                                                                                        HIROSUGI-KEIKI

                                                                                        Product Series

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

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

                                                                                        Techlock (SL)【1-5,000 Pieces Per Package】

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

                                                                                        Brass Bit Insert (Flange Type) / HFB

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

                                                                                        C-Lock (HCL Type)【10-100 Pieces Per Package】

                                                                                        DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【1-15,000 Pieces Per Package】

                                                                                        Brass Ensat Thread Plastic Deformation Type, Model 305

                                                                                        Sparrow (Type SP)

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

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

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

                                                                                        Brass Mini Bit Inserts / HMIB-Z

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

                                                                                        B-LOK N42 Type

                                                                                        Heat-Lok (HL Type)【1-1,000 Pieces Per Package】

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

                                                                                        Stainless Steel/Insert Nut Threaded Type / IRU

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

                                                                                        Flat Head Sonic Lock (Type SHK)

                                                                                        Sparrow Insert With Flat Head (HSR Type)

                                                                                        Screwsert (Type SCT)

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

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

                                                                                        Brass Ultrasert II/HUD II

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

                                                                                        TEC Sonic (TEC Type)【1-500 Pieces Per Package】

                                                                                        FLO-TECH (FTC Type)【1-1,000 Pieces Per Package】

                                                                                        Brass Sonic Lock (SL Type)

                                                                                        Brass Flat Head Sonic Lock (SHK Type)

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

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

                                                                                        Brass Ultrasert IV (Flanged) / HFU

                                                                                        C TEC (CT Type)【100 Pieces Per Package】

                                                                                        Ensat Extra Coarse External Thread Type, Model 309

                                                                                        Press-Lok (PLK Type)

                                                                                        Fin-Lok (FL Type)

                                                                                        Stainless Steel Tangless Insert

                                                                                        Stainless Steel Sprue (Other, Fine)【1-100 Pieces Per Package】

                                                                                        Stainless Steel Sprue (Unify) (UNF)

                                                                                        Stainless Steel Recoil【1-100 Pieces Per Package】

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

                                                                                        Stainless Steel E-Sert (Unify) (UNF)【1-100 Pieces Per Package】

                                                                                        Brass Insert Nut (Screw-In Type) IRB-W/-CW

                                                                                        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 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 Same day 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 5 Day(s) or more 11 Day(s) or more 17 Day(s) or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more 7 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 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 11 Day(s) or more
                                                                                        Screw Dia. M (after insertion)(mm)1.6 ~ 82 ~ 82 ~ 102 ~ 102 ~ 52 ~ 63 ~ 61.4 ~ 63 ~ 62 ~ 62.6 ~ 81.4 ~ 51.4 ~ 51.4 ~ 1.72.6 ~ 83 ~ 63 ~ 62 ~ 82 ~ 83 ~ 82 ~ 83 ~ 83 ~ 86 ~ 392 ~ 122.6 ~ 81.62 ~ 82.5 ~ 62.5 ~ 43-3 ~ 63 ~ 833 ~ 163 ~ 53 ~ 42 ~ 208 ~ 24-2 ~ 162 ~ 36-2.6 ~ 8
                                                                                        Environmentally friendly---------------------------------------------
                                                                                        TypeStandardStandardPress FitStandardPress FitPress FitPress FitStandardSelf-TappingPress FitStandardPress FitPress FitPress FitStandardPress FitPress FitSelf-TappingSelf-TappingStandardPress FitPress FitSelf-TappingStandardTanglessPress FitPress FitPress FitPress FitPress FitPress FitStandardStandardPress FitPress FitSelf-TappingPress FitPress FitTanglessStandardStandardStandardStandardStandardSelf-Tapping
                                                                                        Characteristics/Applications---------------------------------------------
                                                                                        MaterialBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassBrassStainless Steel (SUS303/304)BrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304) / BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Brass
                                                                                        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) 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 (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) Thread
                                                                                        Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D--1D / 1.5D / 2D / 2.5D / 3D / 0.7D-1D / 1.5D / 2D1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1.5D / 2D1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1.5D / 2D1.5D / 2D1.5D / 2D2D / 2.5D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D1.5D / 2D / 2.5D2D1.5D / 2D2.5D--1D / 1.5D1D / 1.5D / 2D1.5D / 2D / 2.5D--2D1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D
                                                                                        ApplicationResin GeneralResin General-Resin GeneralLight MetalResin GeneralResin GeneralResin General-Resin GeneralResin GeneralLight MetalLight MetalLight MetalResin General-Resin GeneralLight MetalCast IronResin General--Resin General-Light Metal / Cast Iron / Resin GeneralLight Metal------Light Metal / Cast Iron / Resin GeneralLight MetalResin General---------Light Metal
                                                                                        NotchNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided--Not Provided-Not ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot Provided--Not ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedNot Provided
                                                                                        Thread Dia. (After inserted), Unified(inch)-------------------------------#2-56--------3/8-24--1/2-20 ~ #10-32-
                                                                                        ShapeStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
                                                                                        Sales UnitLow Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)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.--Box, Pkg.Box, Pkg.-Low Quantity (Available beginning with 1 pc.)-Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.---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.)--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.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.
                                                                                        Cleaning Method---------------------------------------------

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