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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

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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)

    Self-Tapping Inserts - Slotted

      Ultrasert UD2 / UD4 (Brass Cadmium-Free)

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

          Techlock (SL)

          • On Sale Till 31/03/2025

          Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

          • On Sale Till 31/03/2025

          Tool for Ensat, for Manual Processing, 610 Type

            Stainless Steel/Insert Nut Threaded Type / IRU

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

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

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

                    Brass Bit Insert (Flange Type) / HFB

                      Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                        TEC Sonic (TEC Type)

                        • On Sale Till 31/03/2025

                        Heat-Lok (HL Type)

                          Brass Sonic Lock (SL Type)

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

                            • On Sale Till 31/03/2025

                            Thread Inserts/Tangless

                              Dodge Insert Flange Type (Brass Cadmium-Less)

                              • On Sale Till 31/03/2025

                              Tangless Insert Metric Coarse

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

                                  Sparrow (Type SP)

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

                                      Brass Dutch Insert (Standard) / HSD

                                        Brass Dutch Insert (Flanged) / HFD

                                          Brass Ultrasert IV/HUD IV

                                            Brass Ultrasert IV (Flanged) / HFU

                                              ILISERT (Unified/UNC)

                                                Tangless Insert (SUS304)

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

                                                    Brass Ultrasert II/HUD II

                                                      Ensat Expanded Slot Type, Model 302, Inch Type

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

                                                          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)

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

                                                                        Brass Mini Bit Inserts / HMIB-Z

                                                                          Thread Insert (Box)

                                                                            Self Floating Fastener

                                                                              Sel Locking Fastener SLN (Non-Lock)

                                                                                Sel Locking Fastener SL (Lock)

                                                                                Brand

                                                                                TOKAI METAL INDUSTRY

                                                                                MISUMI

                                                                                TOKAI METAL INDUSTRY

                                                                                HIROSUGI-KEIKI

                                                                                JAPAN DRIVEIT

                                                                                TOKAI METAL INDUSTRY

                                                                                KKV

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                TOKAI METAL INDUSTRY

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                SUNCO

                                                                                HIROSUGI-KEIKI

                                                                                MISUMI

                                                                                TOKAI METAL INDUSTRY

                                                                                ACCURATE

                                                                                TOKAI METAL INDUSTRY

                                                                                JAPAN DRIVEIT

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI SEIKI

                                                                                RECOIL

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                KKV

                                                                                TOKAI METAL INDUSTRY

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                SUNCO

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                MISUMI

                                                                                SEL JAPAN

                                                                                SEL JAPAN

                                                                                SEL JAPAN

                                                                                Product Series

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

                                                                                Self-Tapping Inserts - Slotted

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

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

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

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

                                                                                Tool for Ensat, for Manual Processing, 610 Type

                                                                                Stainless Steel/Insert Nut Threaded Type / IRU

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

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

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

                                                                                Brass Bit Insert (Flange Type) / HFB

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

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

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

                                                                                Brass Sonic Lock (SL Type)

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

                                                                                Thread Inserts/Tangless

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

                                                                                Tangless Insert Metric Coarse

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

                                                                                Sparrow (Type SP)

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

                                                                                Brass Dutch Insert (Standard) / HSD

                                                                                Brass Dutch Insert (Flanged) / HFD

                                                                                Brass Ultrasert IV/HUD IV

                                                                                Brass Ultrasert IV (Flanged) / HFU

                                                                                ILISERT (Unified/UNC)【100 Pieces Per Package】

                                                                                Tangless Insert (SUS304)

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

                                                                                Brass Ultrasert II/HUD II

                                                                                Ensat Expanded Slot Type, Model 302, Inch Type

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

                                                                                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)

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

                                                                                Brass Mini Bit Inserts / HMIB-Z

                                                                                Thread Insert (Box)【100 Pieces Per Package】

                                                                                Self Floating Fastener【1-1,000 Pieces Per Package】

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

                                                                                Sel Locking Fastener SL (Lock)【1,000 Pieces Per Package】

                                                                                CAD
                                                                                • 2D / 3D
                                                                                • 2D / 3D
                                                                                • 2D / 3D
                                                                                • 2D / 3D
                                                                                Days to Ship Same day or more Same day or more Same day or more 11 Day(s) or more Same day or more Same day or more Same day or more 11 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 Same day or more 4 Day(s) or more 11 Day(s) or more Same day or more 4 Day(s) or more Same day or more 4 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 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 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 7 Day(s) or more
                                                                                Screw Dia. M (after insertion)(mm)1.6 ~ 83 ~ 122 ~ 102.6 ~ 82 ~ 102 ~ 82.5 ~ 162 ~ 81.4 ~ 52.6 ~ 82.6 ~ 82 ~ 52.6 ~ 82 ~ 83 ~ 62.5 ~ 41.4 ~ 52.5 ~ 102.6 ~ 82 ~ 241.4 ~ 62 ~ 62.6 ~ 82.6 ~ 52.6 ~ 52 ~ 103 ~ 8-2.5 ~ 122.6 ~ 82.6 ~ 8-3 ~ 81.62 ~ 83 ~ 63 ~ 52.5 ~ 632 ~ 81.4 ~ 1.72.5 ~ 83 ~ 43 ~ 44
                                                                                TypeStandardSelf-TappingStandardSelf-TappingPress FitStandardToolSelf-TappingPress FitSelf-TappingSelf-TappingPress FitStandardPress FitPress FitPress FitPress FitTanglessStandardTanglessStandardPress FitSelf-TappingPress FitPress FitPress FitPress FitTanglessTanglessSelf-TappingPress FitSelf-TappingStandardPress FitPress FitPress FitPress FitPress FitPress FitSelf-TappingPress FitTanglessSwagedSwagedSwaged
                                                                                MaterialBrassSteel / Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassSteelStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassBrassBrassBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassBrassBrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassSteelBrassBrassBrassBrassBrassBrassBrassBrassBrassStainless Steel (SUS303/304)Steel / 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) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) Thread / BSW (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) Thread
                                                                                Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D-1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1.5D / 2D1.5D / 2D-1D / 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 / 2D / 2.5D / 3D / 0.7D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1.5D / 2D / 2.5D / 3D / 3.5D2D / 2.5D1D / 1.5D / 2D1.5D / 2D / 2.5D-1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1.5D / 2D / 2.5D-1.5D / 2D2D1.5D / 2D1.5D / 2D2D2.5D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1.5D / 2D1D / 1.5D / 2D---
                                                                                ApplicationResin GeneralLight MetalResin GeneralCast Iron-Resin General-Cast IronLight MetalCast IronCast IronLight MetalResin General-Resin General-Light MetalLight MetalResin GeneralLight Metal / Cast Iron / Resin GeneralResin GeneralResin GeneralLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight Metal-Resin General------Light MetalLight MetalLight MetalLight MetalLight MetalLight Metal
                                                                                NotchNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided
                                                                                Thread Dia. (After inserted), Unified(inch)---------------------------1/4-20---1/2 ~ No. 10-------------
                                                                                ShapeStandardSlottedStandardSlottedStandardStandard-StandardStandardStandardSlottedStandardStandardStandardStandardStandardStandard-Standard-StandardStandardSlottedStandardStandardStandardStandard--SlottedStandardSlottedStandardStandardStandardStandardStandardStandardStandardStandardStandard----
                                                                                Sales UnitLow Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.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.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.)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.Box, Pkg.Box, Pkg.Box, Pkg.-Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.)--Low Quantity (Available beginning with 1 pc.)---Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.-

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