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Insert(Length L (after insertion) (D = Thread Dia. M):1.5D)

These products are used for reinforcing female threads. These can be used with damaged female threads or soft materials to enable screws/bolts to be tightened.
In general, coil inserts that have been machined into a coil shape are very common, but we also have a wide lineup that includes "self-tapping inserts", "inserts for resin", "insert nuts", "locking inserts", etc., enabling use to suit various environments or materials.
MISUMI enables spec searches and ordering quantities from just 1 piece. Tools are also sold in addition to the inserts themselves.
[Materials]
Iron, stainless steel, brass, phosphor bronze, Inconel, nitronics
[Size]
M1.4 to M39 are available as well as imperial sizes
[Search Keywords]
Heli-Sert, E-Sert, Sprue, Female Thread

Search by specifying the lower class category

Days to Ship
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  • Same day
  • 3 Day(s) or Less
  • 4 Day(s) or Less
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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

    Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

      Recoil-Free (mm) SUS304

        Techlock (SL)

          Brass Bit Insert (Flange Type) / HFB

            Ultrasert UD2 / UD4 (Brass Cadmium-Free)

              Insert SUS316

              • On Sale Till 31/03/2025

              Thread Inserts/Tangless

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

                  Nitronic 60 Insert

                  • On Sale Till 31/03/2025

                  Thread Insert (Box)

                    E-Certs

                      Lock Recoil (mm) SUS304

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

                          Sparrow (Type SP)

                          • On Sale Till 31/03/2025

                          Tangless Insert Metric Coarse

                            Dodge Insert Flange Type (Brass Cadmium-Less)

                              Male Screw Repair Coil Thread -R

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

                                  Brass Mini Bit Inserts / HMIB-Z

                                    Coil Thread R

                                      Sprue (Unified) (UNC)

                                        Stainless Steel E-Sert Fine (Hemlock-Made)

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

                                            Tangless Insert Unified Fine

                                              Sprue

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

                                                  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

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

                                                            Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                                              Recoil Packet (UNC)

                                                                Insert Phosphor Bronze

                                                                  Tangless Insert (SUS304)

                                                                    Screw Reinforcement Tangless Insert

                                                                      Brass Ultrasert IV/HUD IV

                                                                        Sprue (Unify) (UNF)

                                                                          Recoil Packet (Milli)

                                                                            Recoil-Free (Specified mm) SUS304

                                                                              Insert, Inconel X-750

                                                                                Flat Head Sonic Lock (Type SHK)

                                                                                Brand

                                                                                TOKAI METAL INDUSTRY

                                                                                MISUMI

                                                                                TOKAI METAL INDUSTRY

                                                                                RECOIL

                                                                                JAPAN DRIVEIT

                                                                                HIROSUGI-KEIKI

                                                                                TOKAI METAL INDUSTRY

                                                                                RECOIL

                                                                                MISUMI

                                                                                HIROSUGI-KEIKI

                                                                                RECOIL

                                                                                MISUMI

                                                                                TSUGAMI

                                                                                RECOIL

                                                                                HIROSUGI-KEIKI

                                                                                JAPAN DRIVEIT

                                                                                ACCURATE

                                                                                TOKAI METAL INDUSTRY

                                                                                KS SANGYO

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                ACCURATE

                                                                                NIPPON SPREW

                                                                                SUNCO

                                                                                HIROSUGI-KEIKI

                                                                                ACCURATE

                                                                                NIPPON SPREW

                                                                                TOKAI METAL INDUSTRY

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                JAPAN DRIVEIT

                                                                                ACCURATE

                                                                                HIROSUGI-KEIKI

                                                                                HIROSUGI-KEIKI

                                                                                TOKAI METAL INDUSTRY

                                                                                RECOIL

                                                                                RECOIL

                                                                                RECOIL

                                                                                KS SANGYO

                                                                                HIROSUGI-KEIKI

                                                                                NIPPON SPREW

                                                                                RECOIL

                                                                                RECOIL

                                                                                RECOIL

                                                                                JAPAN DRIVEIT

                                                                                Product Series

                                                                                Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)【1-3,000 Pieces Per Package】

                                                                                Thread Inserts

                                                                                Dodge Bit Insert Flange Type (Brass Cadmium-Free)

                                                                                Recoil-Free (mm) SUS304

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

                                                                                Brass Bit Insert (Flange Type) / HFB

                                                                                Ultrasert UD2 / UD4 (Brass Cadmium-Free)【1-600 Pieces Per Package】

                                                                                Insert SUS316

                                                                                Thread Inserts/Tangless

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

                                                                                Nitronic 60 Insert

                                                                                Thread Insert (Box)【100 Pieces Per Package】

                                                                                E-Certs

                                                                                Lock Recoil (mm) SUS304

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

                                                                                Sparrow (Type SP)

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

                                                                                Dodge Insert Flange Type (Brass Cadmium-Less)

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

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

                                                                                Brass Mini Bit Inserts / HMIB-Z

                                                                                Coil Thread R

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

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

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

                                                                                Tangless Insert Unified Fine

                                                                                Sprue【1-100 Pieces Per Package】

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

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

                                                                                B-LOK N42 Type

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

                                                                                Tangless insert metric coarsetaping packaging

                                                                                Stainless Steel/Insert Nut Threaded Type / IRU

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

                                                                                Dodge Bit Insert Standard SD (Brass Cadmium-Less)

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

                                                                                Insert Phosphor Bronze

                                                                                Tangless Insert (SUS304)

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

                                                                                Brass Ultrasert IV/HUD IV

                                                                                Sprue (Unify) (UNF)【10-100 Pieces Per Package】

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

                                                                                Recoil-Free (Specified mm) SUS304

                                                                                Insert, Inconel X-750

                                                                                Flat Head Sonic Lock (Type SHK)

                                                                                CAD
                                                                                • 2D / 3D
                                                                                • 2D / 3D
                                                                                • 2D / 3D
                                                                                • 2D / 3D
                                                                                Days to Ship Same day or more Same day or more Same day or more 3 Day(s) or more 3 Day(s) or more 4 Day(s) or more Same day or more 3 Day(s) or more 3 Day(s) or more 11 Day(s) or more 3 Day(s) or more Same day or more Same day or more 3 Day(s) or more 4 Day(s) or more 3 Day(s) or more 4 Day(s) or more 4 Day(s) or more 5 Day(s) or more 11 Day(s) or more 4 Day(s) or more 8 Day(s) or more 3 Day(s) or more 3 Day(s) or more 11 Day(s) or more 6 Day(s) or more 3 Day(s) or more 3 Day(s) or more 14 Day(s) or more 3 Day(s) or more 3 Day(s) or more 8 Day(s) or more 11 Day(s) or more 11 Day(s) or more 4 Day(s) or more 3 Day(s) or more 3 Day(s) or more 3 Day(s) or more 7 Day(s) or more 11 Day(s) or more 3 Day(s) or more 3 Day(s) or more 7 Day(s) or more 3 Day(s) or more 3 Day(s) or more
                                                                                Screw Dia. M (after insertion)(mm)2 ~ 83 ~ 162 ~ 62 ~ 422 ~ 82 ~ 53 ~ 83 ~ 162.5 ~ 102.6 ~ 83 ~ 123 ~ 82 ~ 243 ~ 201.7 ~ 55 ~ 62 ~ 204 ~ 63 ~ 62.6 ~ 81.73 ~ 6-6 ~ 391.4 ~ 5-2 ~ 301.4 ~ 68332.5 ~ 52 ~ 82.6 ~ 82.6 ~ 5-3 ~ 242.5 ~ 122 ~ 123 ~ 8-2 ~ 208 ~ 203 ~ 128
                                                                                Environmentally friendly---------------------------------------------
                                                                                TypeStandardStandardStandardStandardPress FitPress FitStandardStandardTanglessSelf-TappingStandardStandardStandardStandardPress FitPress FitTanglessStandardStandardSelf-TappingPress FitStandardStandardStandardPress FitTanglessStandardStandardPress FitPress FitPress FitTanglessSelf-TappingSelf-TappingStandardStandardStandardTanglessTanglessPress FitStandardStandardStandardStandardPress Fit
                                                                                Characteristics/Applications---------------------------------------------
                                                                                MaterialBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS316)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Nitrox 60Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeBrassBrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Phosphor BronzeStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Inconel X-750Brass
                                                                                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) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadUnified (Fine) 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) ThreadUnified (Fine) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread
                                                                                Length L (after insertion) (D = Thread Dia. M)1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D1.5D
                                                                                ApplicationResin GeneralLight MetalResin GeneralLight Metal-Light MetalResin GeneralLight MetalLight MetalCast IronLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalResin GeneralLight Metal / Cast Iron / Resin GeneralResin GeneralLight Metal / Cast Iron / Resin GeneralCast IronLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal-Light MetalLight Metal / Cast Iron / Resin GeneralLight MetalResin General--Resin GeneralLight Metal / Cast Iron / Resin GeneralCast IronLight MetalResin GeneralLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron-
                                                                                NotchNot ProvidedProvidedNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot Provided-ProvidedProvidedNot Provided-ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided-Not ProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedProvidedNot ProvidedProvidedProvidedProvidedProvidedNot Provided
                                                                                Thread Dia. (After inserted), Unified(inch)----------------------1/2-13 ~ #10-24--1/4 ~ 10---------1/2-13 ~ #12-24----3/8-24 ~ 5/16----
                                                                                ShapeStandard-Standard-StandardStandardStandard--Slotted----StandardStandard-StandardStandardSlottedStandard--StandardStandard--StandardStandardStandardStandard-StandardSlottedStandard---StandardStandard----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.)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.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)-Low Quantity (Available beginning with 1 pc.)Box, Pkg.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.) / 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.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.)
                                                                                Cleaning Method---------------------------------------------

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