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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
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  • 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)
Type
Material
Screw Type
Length L (after insertion) (D = Thread Dia. M)
Application
Notch
Thread Dia. (After inserted), Unified(inch)
Shape
Sales Unit

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

      Ultrasert UD2 / UD4 (Brass Cadmium-Free)

        Techlock (SL)

          Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

            Stainless Steel/Insert Nut Threaded Type / IRU

              C-Lock (HCL Type)

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

                  C Lock (CL Type)

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

                      Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                        Heat-Lok (HL Type)

                          Brass Sonic Lock (SL Type)

                            Brass Bit Insert (Flange Type) / HFB

                              Dodge Insert Flange Type (Brass Cadmium-Less)

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

                                  TEC Sonic (TEC Type)

                                    Sparrow (Type SP)

                                      Ensat Extra Coarse External Thread Type, Model 309

                                        Brass Dutch Insert (Flanged) / HFD

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

                                            Brass Ultrasert IV/HUD IV

                                              Brass Ultrasert IV (Flanged) / HFU

                                                Screw Reinforcement Tangless Insert

                                                  Male Screw Repair Coil Thread -R

                                                    Brass Dutch Insert (Standard) / HSD

                                                      Brass Ultrasert II/HUD II

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

                                                          Brass Ensat Thread Plastic Deformation Type, Model 305

                                                            Mini TEC (MT Type)

                                                              Flat Head Sonic Lock (Type SHK)

                                                                B-LOK N42 Type

                                                                  Press-Lok (PLK Type)

                                                                    FLO-TECH (FTC Type)

                                                                      Brass Flat Head Sonic Lock (SHK Type)

                                                                        Stainless Steel E-Sert Fine (Hemlock-Made)

                                                                          Stainless Steel E-Sert (Unify) (UNF)

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

                                                                              Brass Mini Bit Inserts / HMIB-Z

                                                                                C TEC (CT Type)

                                                                                  Sparrow Insert With Flat Head (HSR Type)

                                                                                    Fin-Lok (FL Type)

                                                                                      Screwsert (Type SCT)

                                                                                        Stainless Steel Tangless Insert

                                                                                          Stainless Steel Sprue (Other, Fine)

                                                                                            Stainless Steel Sprue (Unify) (UNC)

                                                                                            Brand

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            JAPAN DRIVEIT

                                                                                            TOKAI METAL INDUSTRY

                                                                                            HIROSUGI-KEIKI

                                                                                            BOHSEI

                                                                                            HIROSUGI-KEIKI

                                                                                            BOHSEI

                                                                                            HIROSUGI-KEIKI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            JAPAN DRIVEIT

                                                                                            SUNCO

                                                                                            HIROSUGI-KEIKI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            KKV

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            KS SANGYO

                                                                                            KS SANGYO

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            KKV

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            BOHSEI

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            Product Series

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

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

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

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

                                                                                            Stainless Steel/Insert Nut Threaded Type / IRU

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

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

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

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

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

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

                                                                                            Brass Sonic Lock (SL Type)

                                                                                            Brass Bit Insert (Flange Type) / HFB

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

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

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

                                                                                            Sparrow (Type SP)

                                                                                            Ensat Extra Coarse External Thread Type, Model 309

                                                                                            Brass Dutch Insert (Flanged) / HFD

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

                                                                                            Brass Ultrasert IV/HUD IV

                                                                                            Brass Ultrasert IV (Flanged) / HFU

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

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

                                                                                            Brass Dutch Insert (Standard) / HSD

                                                                                            Brass Ultrasert II/HUD II

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

                                                                                            Brass Ensat Thread Plastic Deformation Type, Model 305

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

                                                                                            Flat Head Sonic Lock (Type SHK)

                                                                                            B-LOK N42 Type

                                                                                            Press-Lok (PLK Type)

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

                                                                                            Brass Flat Head Sonic Lock (SHK Type)

                                                                                            Stainless Steel E-Sert Fine (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/IRB-C

                                                                                            Brass Mini Bit Inserts / HMIB-Z

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

                                                                                            Sparrow Insert With Flat Head (HSR Type)

                                                                                            Fin-Lok (FL Type)

                                                                                            Screwsert (Type SCT)

                                                                                            Stainless Steel Tangless Insert

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

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

                                                                                            Days to Ship Same day or more Same day or more Same day 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 4 Day(s) 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 Same day or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 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 17 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 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
                                                                                            Screw Dia. M (after insertion)(mm)1.6 ~ 82 ~ 102 ~ 102 ~ 82 ~ 83 ~ 61.4 ~ 52 ~ 62.6 ~ 82.6 ~ 83 ~ 62.5 ~ 42 ~ 52.6 ~ 81.4 ~ 62 ~ 82 ~ 63 ~ 162.6 ~ 51.4 ~ 52 ~ 103 ~ 82 ~ 123 ~ 62.6 ~ 52.6 ~ 83 ~ 83 ~ 61.62 ~ 83 ~ 63 ~ 52.5 ~ 636 ~ 39-2 ~ 81.4 ~ 1.733 ~ 83 ~ 43 ~ 82 ~ 208 ~ 24-
                                                                                            TypeStandardStandardPress FitStandardSelf-TappingPress FitPress FitPress FitSelf-TappingStandardPress FitPress FitPress FitStandardStandardPress FitPress FitSelf-TappingPress FitPress FitPress FitPress FitTanglessStandardPress FitPress FitStandardSelf-TappingPress FitPress FitPress FitPress FitPress FitPress FitStandardStandardSelf-TappingPress FitPress FitPress FitPress FitSelf-TappingTanglessStandardStandard
                                                                                            MaterialBrassBrassBrassBrassStainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)BrassBrassBrassBrassBrassBrassBrassBrassStainless Steel (SUS303/304) / BrassBrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassBrassBrassBrassBrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassBrassBrassBrassStainless 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) 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) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) Thread
                                                                                            Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D-1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D1.5D / 2D1D / 1.5D / 2D-2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D1.5D / 2D / 2.5D1D / 1.5D / 2D1D / 1.5D / 2D1.5D / 2D / 2.5D / 3D / 3.5D1.5D / 2D / 2.5D1.5D / 2D-2D1.5D / 2D1.5D / 2D2D2.5D-1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1.5D / 2D-1.5D / 2D1.5D / 2D2D / 2.5D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D
                                                                                            ApplicationResin GeneralResin General-Resin GeneralCast IronResin GeneralLight MetalResin GeneralCast IronResin GeneralResin General-Light MetalResin GeneralResin General-Resin General-Light MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalResin General---------Light MetalLight MetalResin General--Resin General---
                                                                                            NotchNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided-Not Provided-Not ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided-Not ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot Provided-Not ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot Provided-Not ProvidedNot ProvidedNot ProvidedProvidedProvidedProvided
                                                                                            Thread Dia. (After inserted), Unified(inch)-----------------------------------1/2-20 ~ #10-32--------#2-56
                                                                                            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.Box, Pkg.-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.-Low Quantity (Available beginning with 1 pc.)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.)Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.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.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.---Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.

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