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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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  • 1 Day(s) or Less
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  • 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

    Self-Tapping Inserts - Slotted

      Keylocking Inserts (KIC)

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

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

            Tangless Insert Metric Coarse

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

                Thread Inserts/Tangless

                  Ultrasert UD2 / UD4 (Brass Cadmium-Free)

                    [Clean & Pack]Self-Tapping Inserts - Slotted

                      Thread Insert (Box)

                        Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

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

                            Brass Ultrasert IV/HUD IV

                              Tangless Insert (SUS304)

                                Stainless Steel/Insert Nut Threaded Type / IRU

                                  Brass Bit Insert (Flange Type) / HFB

                                    Ensat Expanded Slot Type, Model 302, Inch Type

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

                                        Heat-Lok (HL Type)

                                          Dodge Insert Flange Type (Brass Cadmium-Less)

                                            Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                              Mini TEC (MT Type)

                                                Techlock (SL)

                                                  Press-Lok (PLK Type)

                                                    Brass Sonic Lock (SL Type)

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

                                                        Tool for Ensat, for Manual Processing, 610 Type

                                                          Sparrow (Type SP)

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

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

                                                                Aluminum Insert Nut (Screw-In Type) IRL-B/IRL-K

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

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

                                                                      Brass Dutch Insert (Standard) / HSD

                                                                        Brass Mini Bit Inserts / HMIB-Z

                                                                          Self Floating Fastener

                                                                            Sel Locking Fastener SLN (Non-Lock)

                                                                              Sel Locking Fastener SL (Lock)

                                                                                ILISERT (Unified/UNC)

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

                                                                                    TEC Sonic (TEC Type)

                                                                                      Flat Head Sonic Lock (Type SHK)

                                                                                        Sparrow Insert With Flat Head (HSR Type)

                                                                                          B-LOK N42 Type

                                                                                            Fin-Lok (FL Type)

                                                                                            Brand

                                                                                            MISUMI

                                                                                            IMAO CORPORATION

                                                                                            TOKAI METAL INDUSTRY

                                                                                            HIROSUGI-KEIKI

                                                                                            ACCURATE

                                                                                            HIROSUGI-KEIKI

                                                                                            MISUMI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            RECOIL

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            KKV

                                                                                            TOKAI METAL INDUSTRY

                                                                                            JAPAN DRIVEIT

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            SUNCO

                                                                                            HIROSUGI-KEIKI

                                                                                            KKV

                                                                                            JAPAN DRIVEIT

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            HIROSUGI-KEIKI

                                                                                            SEL JAPAN

                                                                                            SEL JAPAN

                                                                                            SEL JAPAN

                                                                                            HIROSUGI SEIKI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            JAPAN DRIVEIT

                                                                                            Product Series

                                                                                            Self-Tapping Inserts - Slotted

                                                                                            Keylocking Inserts (KIC)

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

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

                                                                                            Tangless Insert Metric Coarse【1-50 Pieces Per Package】

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

                                                                                            Thread Inserts/Tangless

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

                                                                                            [Clean & Pack]Self-Tapping Inserts - Slotted

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

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

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

                                                                                            Brass Ultrasert IV/HUD IV

                                                                                            Tangless Insert (SUS304)

                                                                                            Stainless Steel/Insert Nut Threaded Type / IRU

                                                                                            Brass Bit Insert (Flange Type) / HFB

                                                                                            Ensat Expanded Slot Type, Model 302, Inch Type

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

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

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

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

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

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

                                                                                            Press-Lok (PLK Type)

                                                                                            Brass Sonic Lock (SL Type)

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

                                                                                            Tool for Ensat, for Manual Processing, 610 Type

                                                                                            Sparrow (Type SP)

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

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

                                                                                            Aluminum Insert Nut (Screw-In Type) IRL-B/IRL-K

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

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

                                                                                            Brass Dutch Insert (Standard) / HSD

                                                                                            Brass Mini Bit Inserts / HMIB-Z

                                                                                            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】

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

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

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

                                                                                            Flat Head Sonic Lock (Type SHK)

                                                                                            Sparrow Insert With Flat Head (HSR Type)

                                                                                            B-LOK N42 Type

                                                                                            Fin-Lok (FL Type)

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship 1 Day(s) or more 5 Day(s) or more 1 Day(s) or more 11 Day(s) or more 2 Day(s) or more 11 Day(s) or more 2 Day(s) or more 1 Day(s) or more 6 Day(s) or more 4 Day(s) or more 1 Day(s) or more 4 Day(s) or more 11 Day(s) or more 4 Day(s) or more 11 Day(s) or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 2 Day(s) or more 5 Day(s) or more 5 Day(s) or more 19 Day(s) or more 1 Day(s) or more 5 Day(s) or more 5 Day(s) or more 11 Day(s) or more 2 Day(s) or more 5 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 11 Day(s) or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 9 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 5 Day(s) or more 5 Day(s) or more
                                                                                            Screw Dia. M (after insertion)(mm)3 ~ 124 ~ 241.6 ~ 81.4 ~ 52 ~ 242.6 ~ 82.5 ~ 102 ~ 103 ~ 122.5 ~ 82 ~ 81.4 ~ 52 ~ 102.5 ~ 122 ~ 82 ~ 5-1.4 ~ 63 ~ 62.6 ~ 82.6 ~ 81.62 ~ 103 ~ 52.5 ~ 42 ~ 82.5 ~ 162 ~ 62.6 ~ 82.6 ~ 82 ~ 82.6 ~ 82.6 ~ 82.6 ~ 51.4 ~ 1.73 ~ 43 ~ 44-3 ~ 82 ~ 82 ~ 83 ~ 83 ~ 63 ~ 4
                                                                                            Environmentally friendly--------RoHS Compliant (10 Substances)------------------------------------
                                                                                            TypeSelf-TappingKey LockStandardPress FitTanglessSelf-TappingTanglessStandardSelf-TappingTanglessStandardPress FitPress FitTanglessSelf-TappingPress FitSelf-TappingStandardPress FitStandardStandardPress FitPress FitPress FitPress FitSelf-TappingToolPress FitSelf-TappingSelf-TappingSelf-TappingSelf-TappingSelf-TappingPress FitPress FitSwagedSwagedSwagedTanglessStandardPress FitPress FitPress FitPress FitPress Fit
                                                                                            Characteristics/Applications--------Clean Washed------------------------------------
                                                                                            MaterialSteel / Stainless Steel (SUS303/304)Steel / Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassSteelBrassBrassBrassBrassBrassBrassBrassBrassBrassSteelBrassBrassStainless Steel (SUS303/304)AluminumBrassBrassBrassBrassSteel / Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassBrassBrassBrass
                                                                                            Screw TypeMetric (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) ThreadMetric (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) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread
                                                                                            Length L (after insertion) (D = Thread Dia. M)-1D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D1D / 1.5D / 2D-1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D1.5D / 2D1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D2D1D / 1.5D / 2D / 2.5D2D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D-1D / 1.5D / 2D1D / 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 / 3D / 0.7D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1.5D / 2D / 2.5D / 3D / 3.5D1.5D / 2D----1.5D / 2D1.5D / 2D1.5D / 2D1.5D / 2D1.5D / 2D1.5D / 2D
                                                                                            ApplicationLight MetalLight Metal / Cast Iron / Resin General / WoodResin GeneralLight MetalLight Metal / Cast Iron / Resin GeneralCast IronLight MetalResin GeneralLight MetalLight MetalResin GeneralLight MetalLight MetalLight MetalCast IronLight Metal-Resin GeneralResin GeneralResin GeneralResin General----Light Metal-Resin GeneralLight MetalCast IronLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalLight MetalResin General-----
                                                                                            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)----------------3/8 ~ No. 10---------------------1/4-20------
                                                                                            ShapeSlotted-StandardStandard-Slotted-StandardSlotted-StandardStandardStandard-StandardStandardSlottedStandardStandardStandardStandardStandardStandardStandardStandardStandard-StandardStandardStandardStandardSlottedSlottedStandardStandard----StandardStandardStandardStandardStandardStandard
                                                                                            Sales UnitLow 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.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.) / 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.) / 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.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.)---
                                                                                            Cleaning Method--------Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning------------------------------------

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