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Insert(Length L (after insertion) (D = Thread Dia. M):1D)

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

Search by specifying the lower class category

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

      Techlock (SL)

        Recoil-Free (mm) SUS304

          Ultrasert UD2 / UD4 (Brass Cadmium-Free)

            Brass Bit Insert (Flange Type) / HFB

              Insert SUS316

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

                  Lock Recoil (mm) SUS304

                    Nitronic 60 Insert

                    • On Sale Till 31/03/2025

                    Thread Inserts/Tangless

                      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

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

                              E-Certs

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

                                  Tangless Insert Unified Fine

                                  • On Sale Till 31/03/2025

                                  Thread Insert (Box)

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

                                      Coil Thread R

                                        Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                          Recoil-Free (Specified mm) SUS304

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

                                              Stainless Steel/Insert Nut Threaded Type / IRU

                                                Sprue

                                                  Recoil Packet (Milli)

                                                    Insert Phosphor Bronze

                                                      Tangless Insert (SUS304)

                                                        Tangless insert metric coarsephosphor bronze

                                                          Tangless insert metric coarsetaping packaging

                                                            Screw Reinforcement Tangless Insert

                                                            • On Sale Till 31/03/2025

                                                            Tangless Insert Metric Coarse

                                                              Sprue (Fine, P=1.25)

                                                                Sprue (Unified) (UNC)

                                                                  E-Sert Fine

                                                                    E-Sert Unified (UNC)

                                                                      Recoil Free (UNC) SUS304

                                                                        Insert, Inconel X-750

                                                                          Tangless insert metric coarselocking

                                                                            Stainless Steel Sprue (Unify) (UNC)

                                                                              Male Screw Repair Coil Thread -R

                                                                                Lock E-Sert

                                                                                  Tangless Insert Unified Coarse

                                                                                  Brand

                                                                                  TOKAI METAL INDUSTRY

                                                                                  MISUMI

                                                                                  TOKAI METAL INDUSTRY

                                                                                  JAPAN DRIVEIT

                                                                                  RECOIL

                                                                                  TOKAI METAL INDUSTRY

                                                                                  HIROSUGI-KEIKI

                                                                                  RECOIL

                                                                                  HIROSUGI-KEIKI

                                                                                  RECOIL

                                                                                  RECOIL

                                                                                  MISUMI

                                                                                  TOKAI METAL INDUSTRY

                                                                                  JAPAN DRIVEIT

                                                                                  HIROSUGI-KEIKI

                                                                                  HIROSUGI-KEIKI

                                                                                  TSUGAMI

                                                                                  HIROSUGI-KEIKI

                                                                                  ACCURATE

                                                                                  MISUMI

                                                                                  HIROSUGI-KEIKI

                                                                                  ACCURATE

                                                                                  TOKAI METAL INDUSTRY

                                                                                  RECOIL

                                                                                  HIROSUGI-KEIKI

                                                                                  HIROSUGI-KEIKI

                                                                                  NIPPON SPREW

                                                                                  RECOIL

                                                                                  RECOIL

                                                                                  RECOIL

                                                                                  ACCURATE

                                                                                  ACCURATE

                                                                                  KS SANGYO

                                                                                  ACCURATE

                                                                                  NIPPON SPREW

                                                                                  NIPPON SPREW

                                                                                  TSUGAMI

                                                                                  TSUGAMI

                                                                                  RECOIL

                                                                                  RECOIL

                                                                                  ACCURATE

                                                                                  SUNCO

                                                                                  KS SANGYO

                                                                                  SUNCO

                                                                                  ACCURATE

                                                                                  Product Series

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

                                                                                  Thread Inserts

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

                                                                                  Techlock (SL)

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

                                                                                  Ultrasert UD2 / UD4 (Brass Cadmium-Free)【1-800 Pieces Per Package】

                                                                                  Brass Bit Insert (Flange Type) / HFB

                                                                                  Insert SUS316

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

                                                                                  Lock Recoil (mm) SUS304

                                                                                  Nitronic 60 Insert

                                                                                  Thread Inserts/Tangless

                                                                                  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

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

                                                                                  E-Certs

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

                                                                                  Tangless Insert Unified Fine

                                                                                  Thread Insert (Box)【100 Pieces Per Package】

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

                                                                                  Coil Thread R

                                                                                  Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                                                                  Recoil-Free (Specified mm) SUS304

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

                                                                                  Stainless Steel/Insert Nut Threaded Type / IRU

                                                                                  Sprue【1-100 Pieces Per Package】

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

                                                                                  Insert Phosphor Bronze

                                                                                  Tangless Insert (SUS304)

                                                                                  Tangless insert metric coarsephosphor bronze

                                                                                  Tangless insert metric coarsetaping packaging

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

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

                                                                                  Sprue (Fine, P=1.25)

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

                                                                                  E-Sert Fine

                                                                                  E-Sert Unified (UNC)

                                                                                  Recoil Free (UNC) SUS304

                                                                                  Insert, Inconel X-750

                                                                                  Tangless insert metric coarselocking

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

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

                                                                                  Lock E-Sert【1-100 Pieces Per Package】

                                                                                  Tangless Insert Unified Coarse

                                                                                  CAD
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  • 2D / 3D
                                                                                  Days to Ship Same day or more Same day or more Same day 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 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 5 Day(s) or more 11 Day(s) or more 11 Day(s) or more 4 Day(s) or more 11 Day(s) or more 6 Day(s) or more Same day or more 4 Day(s) or more 8 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 4 Day(s) or more 4 Day(s) or more 8 Day(s) or more 4 Day(s) or more 5 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 11 Day(s) or more 5 Day(s) or more 4 Day(s) or more 8 Day(s) or more
                                                                                  Screw Dia. M (after insertion)(mm)2 ~ 63 ~ 163 ~ 83 ~ 102 ~ 422.6 ~ 103 ~ 43 ~ 162.6 ~ 83 ~ 243 ~ 122.5 ~ 101.7 ~ 642.6 ~ 82.6 ~ 82 ~ 242 ~ 5-3 ~ 82 ~ 53 ~ 658 ~ 242 ~ 82 ~ 82 ~ 303 ~ 163 ~ 242.5 ~ 123 ~ 62.5 ~ 52 ~ 122 ~ 2410 ~ 20-10 ~ 16--3 ~ 122.5 ~ 12-3 ~ 63 ~ 16-
                                                                                  Environmentally friendly---------------------------------------------
                                                                                  TypeStandardStandardStandardPress FitStandardStandardPress FitStandardSelf-TappingStandardStandardTanglessStandardPress FitSelf-TappingSelf-TappingStandardPress FitTanglessStandardPress FitStandardStandardStandardSelf-TappingSelf-TappingStandardStandardStandardTanglessTanglessTanglessTanglessTanglessStandardStandardStandardStandardStandardStandardTanglessStandardStandardStandardTangless
                                                                                  Characteristics/Applications---------------------------------------------
                                                                                  MaterialBrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS316)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Nitrox 60Stainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeStainless Steel (SUS303/304)Phosphor BronzeStainless Steel (SUS303/304)Phosphor BronzeStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Inconel X-750Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)
                                                                                  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) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) Thread
                                                                                  Length L (after insertion) (D = Thread Dia. M)1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D
                                                                                  ApplicationResin GeneralLight MetalResin General-Light MetalResin GeneralLight MetalLight MetalCast IronLight MetalLight MetalLight MetalResin GeneralResin GeneralLight MetalCast IronLight Metal / Cast Iron / Resin GeneralLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalLight MetalCast IronLight MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalLight Metal / Cast IronLight Metal / Cast Iron / Resin General-Light Metal / Cast Iron / Resin General-Light Metal / Cast Iron / Resin General
                                                                                  NotchNot ProvidedProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedProvidedNot ProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedNot Provided-ProvidedNot Provided-Not ProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedNot Provided--ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvided-ProvidedProvidedProvided-
                                                                                  Thread Dia. (After inserted), Unified(inch)------------------1/4 ~ 10----------------1/2-13 ~ #10-24--1"-8 ~ #10-24--#2-56--1/4 ~ 10
                                                                                  ShapeStandard-StandardStandard-StandardStandard-Slotted---StandardStandardSlottedSlotted-Standard--Standard-Standard-StandardStandard------Standard--------StandardStandard--
                                                                                  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.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.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.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.)Box, Pkg.-Box, Pkg.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.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.)--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.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.-
                                                                                  Cleaning Method---------------------------------------------

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