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Insert(Length L (after insertion) (D = Thread Dia. M):2D)

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
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  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
Brand
Product Series
CAD
Days to Ship
Screw Dia. M (after insertion)(mm)
Environmentally friendly
Type
Characteristics/Applications
Material
Screw Type
Length L (after insertion) (D = Thread Dia. M)
Application
Notch
Thread Dia. (After inserted), Unified(inch)
Shape
Sales Unit
Cleaning Method
  • On Sale Till 31/03/2025

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

  • On Sale Till 31/03/2025

Thread Inserts

    Techlock (SL)

      Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

        Recoil-Free (mm) SUS304

          Ultrasert UD2 / UD4 (Brass Cadmium-Free)

            Brass Bit Insert (Flange Type) / HFB

              Insert SUS316

                Nitronic 60 Insert

                • On Sale Till 31/03/2025

                Thread Inserts/Tangless

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

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

                      Lock Recoil (mm) SUS304

                        Sparrow (Type SP)

                        • On Sale Till 31/03/2025

                        Thread Insert (Box)

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

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

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

                                E-Certs

                                  Dodge Insert Flange Type (Brass Cadmium-Less)

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

                                      Brass Mini Bit Inserts / HMIB-Z

                                        Coil Thread R

                                          Tangless Insert Unified Fine

                                            TEC Sonic (TEC Type)

                                              B-LOK N42 Type

                                              • On Sale Till 31/03/2025

                                              Heat-Lok (HL Type)

                                                Tangless insert metric coarsetaping packaging

                                                  Stainless Steel/Insert Nut Threaded Type / IRU

                                                    Sprue

                                                      Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                                        Recoil Packet (Milli)

                                                          Insert Phosphor Bronze

                                                            Tangless Insert (SUS304)

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

                                                                          Brass Ultrasert II/HUD II

                                                                          • On Sale Till 31/03/2025

                                                                          Tangless Insert Metric Coarse

                                                                            Sprue (Unified) (UNC)

                                                                              E-Sert Fine

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

                                                                                Brand

                                                                                TOKAI METAL INDUSTRY

                                                                                MISUMI

                                                                                JAPAN DRIVEIT

                                                                                TOKAI METAL INDUSTRY

                                                                                RECOIL

                                                                                TOKAI METAL INDUSTRY

                                                                                HIROSUGI-KEIKI

                                                                                RECOIL

                                                                                RECOIL

                                                                                MISUMI

                                                                                HIROSUGI-KEIKI

                                                                                TOKAI METAL INDUSTRY

                                                                                RECOIL

                                                                                JAPAN DRIVEIT

                                                                                MISUMI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                TSUGAMI

                                                                                TOKAI METAL INDUSTRY

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                ACCURATE

                                                                                ACCURATE

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                ACCURATE

                                                                                HIROSUGI-KEIKI

                                                                                NIPPON SPREW

                                                                                TOKAI METAL INDUSTRY

                                                                                RECOIL

                                                                                RECOIL

                                                                                RECOIL

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                SUNCO

                                                                                KS SANGYO

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                ACCURATE

                                                                                NIPPON SPREW

                                                                                TSUGAMI

                                                                                TOKAI METAL INDUSTRY

                                                                                Product Series

                                                                                Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)【1-7,000 Pieces Per Package】

                                                                                Thread Inserts

                                                                                Techlock (SL)

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

                                                                                Recoil-Free (mm) SUS304【1-3 Pieces Per Package】

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

                                                                                Brass Bit Insert (Flange Type) / HFB

                                                                                Insert SUS316

                                                                                Nitronic 60 Insert

                                                                                Thread Inserts/Tangless

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

                                                                                DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【1-10,000 Pieces Per Package】

                                                                                Lock Recoil (mm) SUS304

                                                                                Sparrow (Type SP)

                                                                                Thread Insert (Box)【100 Pieces Per Package】

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

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

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

                                                                                E-Certs

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

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

                                                                                Brass Mini Bit Inserts / HMIB-Z

                                                                                Coil Thread R

                                                                                Tangless Insert Unified Fine

                                                                                TEC Sonic (TEC Type)

                                                                                B-LOK N42 Type

                                                                                Heat-Lok (HL Type)【1-500 Pieces Per Package】

                                                                                Tangless insert metric coarsetaping packaging

                                                                                Stainless Steel/Insert Nut Threaded Type / IRU

                                                                                Sprue【1-100 Pieces Per Package】

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

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

                                                                                Insert Phosphor Bronze

                                                                                Tangless Insert (SUS304)

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

                                                                                Brass Ultrasert II/HUD II

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

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

                                                                                E-Sert Fine

                                                                                Ultrasert 4 FUIV, Flange Type (Brass, Cadmium-Free)【1-1,000 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 Same day 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 Same day 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 11 Day(s) or more 4 Day(s) or more 4 Day(s) or more 11 Day(s) or more 4 Day(s) or more 8 Day(s) or more 6 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 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 7 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 4 Day(s) or more
                                                                                Screw Dia. M (after insertion)(mm)1.7 ~ 63 ~ 162 ~ 62 ~ 52 ~ 422 ~ 62.6 ~ 53 ~ 163 ~ 122.5 ~ 102.6 ~ 61.4 ~ 63 ~ 242 ~ 43 ~ 81.4 ~ 52.6 ~ 62.6 ~ 62 ~ 242.6 ~ 81.4 ~ 51.4 ~ 1.63 ~ 6-2 ~ 64 ~ 63 ~ 62.5 ~ 52 ~ 62 ~ 303 ~ 83 ~ 163 ~ 202.5 ~ 122 ~ 63 ~ 43 ~ 86 ~ 242 ~ 122 ~ 65 ~ 62 ~ 20-103 ~ 6
                                                                                Environmentally friendly---------------------------------------------
                                                                                TypeStandardStandardPress FitStandardStandardStandardPress FitStandardStandardTanglessSelf-TappingStandardStandardPress FitStandardPress FitSelf-TappingSelf-TappingStandardStandardPress FitPress FitStandardTanglessPress FitPress FitPress FitTanglessSelf-TappingStandardStandardStandardStandardTanglessPress FitPress FitSelf-TappingStandardTanglessSelf-TappingPress FitTanglessStandardStandardStandard
                                                                                Characteristics/Applications---------------------------------------------
                                                                                MaterialBrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS316)Nitrox 60Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeBrassStainless Steel (SUS303/304)Phosphor BronzeStainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Brass
                                                                                Screw TypeMetric (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) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) 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 (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) Thread
                                                                                Length L (after insertion) (D = Thread Dia. M)2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D2D
                                                                                ApplicationResin GeneralLight Metal-Resin GeneralLight MetalResin GeneralLight MetalLight MetalLight MetalLight MetalCast IronResin GeneralLight MetalResin GeneralLight MetalLight MetalLight MetalCast IronLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin General--Resin GeneralLight Metal / Cast Iron / Resin GeneralCast IronLight MetalResin GeneralLight MetalLight MetalLight Metal--Resin General-Light Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight Metal / Cast Iron / Resin GeneralResin General
                                                                                NotchNot ProvidedProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot Provided--Not ProvidedNot ProvidedNot Provided-Not ProvidedProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedNot Provided
                                                                                Thread Dia. (After inserted), Unified(inch)-----------------------1/4 ~ 10------------------1/2-13 ~ #10-24--
                                                                                ShapeStandard-StandardStandard-StandardStandard---SlottedStandard-Standard-StandardSlottedSlotted-StandardStandardStandard--StandardStandardStandard-Standard-Standard---StandardStandardStandardStandardStandardStandardStandard---Standard
                                                                                Sales UnitLow 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.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.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.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / 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.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.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)-
                                                                                Cleaning Method---------------------------------------------

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