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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
  • All
  • Same day
  • 3 Day(s) or Less
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 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

    Self-Tapping Inserts - Slotted

      Ultrasert UD2 / UD4 (Brass Cadmium-Free)

        Techlock (SL)

        • On Sale Till 31/03/2025

        Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

          Nitronic 60 Insert

            Recoil-Free (mm) SUS304

            • On Sale Till 31/03/2025

            Ensat Expanded Slot Type, Model 302

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

                Tool for Ensat, for Manual Processing, 610 Type

                  Insert SUS316

                  • On Sale Till 31/03/2025

                  Thread Inserts/Tangless

                    [Clean & Pack]Self-Tapping Inserts - Slotted

                      E-Certs

                        Brass Sonic Lock (SL Type)

                          Stainless Steel/Insert Nut Threaded Type / IRU

                            C Lock (CL Type)

                              Tangless Inserts Installation/Removal Tools

                                Trade Series Recoil Kit (Milli)

                                  Recoil-Free (Specified mm) SUS304

                                    Ensat 3 Holes Short Type, Model 307

                                    • On Sale Till 31/03/2025

                                    Taps for Thread Inserts

                                      Thread Insert Removal Tool

                                      • On Sale Till 31/03/2025

                                      Tangless Insert Metric Coarse

                                        Sprue

                                          Lock Recoil (mm) SUS304

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

                                              Self-Tapping Inserts - Hand Tools for Self-Tapping Inserts

                                              • On Sale Till 31/03/2025

                                              Heat-Lok (HL Type)

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

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

                                                    Coil Thread R

                                                      Recoil Tap

                                                        Ensat, Type 308, 3-Hole / Long Size

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

                                                          • On Sale Till 31/03/2025

                                                          Thread Insert Tang Breaking Tool

                                                            Thread Insert (Box)

                                                              E-SERT P Type Insertion Tool

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

                                                                  Ensat Chip Free Short Type, Model 337

                                                                    Tool for Ensat, for Machine Processing, 620 Type

                                                                      B-LOK N42 Type

                                                                        Tangless insert metric coarselocking

                                                                          Brass Ultrasert IV/HUD IV

                                                                          Brand

                                                                          TOKAI METAL INDUSTRY

                                                                          MISUMI

                                                                          MISUMI

                                                                          TOKAI METAL INDUSTRY

                                                                          JAPAN DRIVEIT

                                                                          TOKAI METAL INDUSTRY

                                                                          RECOIL

                                                                          RECOIL

                                                                          KKV

                                                                          HIROSUGI-KEIKI

                                                                          KKV

                                                                          RECOIL

                                                                          MISUMI

                                                                          MISUMI

                                                                          TSUGAMI

                                                                          SUNCO

                                                                          HIROSUGI-KEIKI

                                                                          BOHSEI

                                                                          MISUMI

                                                                          RECOIL

                                                                          RECOIL

                                                                          KKV

                                                                          MISUMI

                                                                          MISUMI

                                                                          ACCURATE

                                                                          NIPPON SPREW

                                                                          RECOIL

                                                                          HIROSUGI-KEIKI

                                                                          MISUMI

                                                                          JAPAN DRIVEIT

                                                                          HIROSUGI-KEIKI

                                                                          HIROSUGI-KEIKI

                                                                          ACCURATE

                                                                          RECOIL

                                                                          KKV

                                                                          HIROSUGI-KEIKI

                                                                          MISUMI

                                                                          MISUMI

                                                                          TSUGAMI

                                                                          TOKAI METAL INDUSTRY

                                                                          KKV

                                                                          KKV

                                                                          JAPAN DRIVEIT

                                                                          ACCURATE

                                                                          HIROSUGI-KEIKI

                                                                          Product Series

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

                                                                          Thread Inserts

                                                                          Self-Tapping Inserts - Slotted

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

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

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

                                                                          Nitronic 60 Insert

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

                                                                          Ensat Expanded Slot Type, Model 302

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

                                                                          Tool for Ensat, for Manual Processing, 610 Type

                                                                          Insert SUS316

                                                                          Thread Inserts/Tangless

                                                                          [Clean & Pack]Self-Tapping Inserts - Slotted

                                                                          E-Certs

                                                                          Brass Sonic Lock (SL Type)

                                                                          Stainless Steel/Insert Nut Threaded Type / IRU

                                                                          C Lock (CL Type)【100 Pieces Per Package】

                                                                          Tangless Inserts Installation/Removal Tools

                                                                          Trade Series Recoil Kit (Milli)

                                                                          Recoil-Free (Specified mm) SUS304

                                                                          Ensat 3 Holes Short Type, Model 307

                                                                          Taps for Thread Inserts

                                                                          Thread Insert Removal Tool

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

                                                                          Sprue【1-100 Pieces Per Package】

                                                                          Lock Recoil (mm) SUS304

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

                                                                          Self-Tapping Inserts - Hand Tools for Self-Tapping Inserts

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

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

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

                                                                          Coil Thread R

                                                                          Recoil Tap

                                                                          Ensat, Type 308, 3-Hole / Long Size

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

                                                                          Thread Insert Tang Breaking Tool

                                                                          Thread Insert (Box)【100 Pieces Per Package】

                                                                          E-SERT P Type Insertion Tool

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

                                                                          Ensat Chip Free Short Type, Model 337

                                                                          Tool for Ensat, for Machine Processing, 620 Type

                                                                          B-LOK N42 Type

                                                                          Tangless insert metric coarselocking

                                                                          Brass Ultrasert IV/HUD IV

                                                                          CAD
                                                                          • 2D / 3D
                                                                          • 2D / 3D
                                                                          • 2D / 3D
                                                                          • 2D / 3D
                                                                          • 2D / 3D
                                                                          • 2D / 3D
                                                                          • 2D / 3D
                                                                          • 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 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 Same day or more 4 Day(s) or more Same day or more 8 Day(s) or more Same day or more 4 Day(s) or more 11 Day(s) or more 4 Day(s) or more Same day or more Same day or more 4 Day(s) or more 4 Day(s) or more Same day or more Same day or more Same day or more 4 Day(s) or more 4 Day(s) or more 11 Day(s) or more Same day or more Same day or more 11 Day(s) or more 11 Day(s) or more 8 Day(s) or more 7 Day(s) or more 4 Day(s) 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 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 3 Day(s) or more 11 Day(s) or more
                                                                          Screw Dia. M (after insertion)(mm)1.6 ~ 83 ~ 163 ~ 122 ~ 102 ~ 102 ~ 83 ~ 122 ~ 422.5 ~ 302.6 ~ 82.5 ~ 163 ~ 162.5 ~ 103 ~ 122 ~ 242.5 ~ 42 ~ 82 ~ 6-2 ~ 208 ~ 243 ~ 16--2 ~ 242 ~ 303 ~ 202 ~ 8-3 ~ 62.6 ~ 82.6 ~ 83 ~ 63 ~ 103 ~ 161.4 ~ 5-2.5 ~ 83 ~ 121.4 ~ 63 ~ 122.5 ~ 303 ~ 62.5 ~ 122 ~ 10
                                                                          Environmentally friendly-------------RoHS Compliant (10 Substances)-------------------------------
                                                                          TypeStandardStandardSelf-TappingStandardPress FitStandardStandardStandardSelf-TappingSelf-TappingToolStandardTanglessSelf-TappingStandardPress FitSelf-TappingPress FitToolToolStandardSelf-TappingToolToolTanglessStandardStandardSelf-TappingToolPress FitSelf-TappingSelf-TappingStandardToolSelf-TappingPress FitToolTanglessToolStandardSelf-TappingToolPress FitTanglessPress Fit
                                                                          Characteristics/Applications-------------Clean Washed-------------------------------
                                                                          MaterialBrassStainless Steel (SUS303/304)Steel / Stainless Steel (SUS303/304)BrassBrassBrassNitrox 60Stainless Steel (SUS303/304)Steel / Stainless Steel (SUS303/304) / Stainless Steel (SUS430F) / BrassStainless Steel (SUS303/304)SteelStainless Steel (SUS316)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Brass-Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Steel / Stainless Steel (SUS303/304) / Stainless Steel (SUS430F)--Stainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeStainless Steel (SUS303/304)Brass-BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)-Steel / Stainless Steel (SUS303/304) / Stainless Steel (SUS430F)Brass-Stainless Steel (SUS303/304)SteelBrassSteel / Stainless Steel (SUS303/304) / Stainless Steel (SUS430F)-BrassStainless 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) Thread--Metric (Fine) ThreadMetric (Coarse) Thread--Metric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (Coarse) ThreadMetric (Coarse) Thread-Metric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread
                                                                          Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 3D-1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D-1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D-1D / 1.5D / 2D1D / 1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D / 0.5D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D---1D / 1.5D / 2D---1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D-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--1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D-1D / 1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D / 0.7D--1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D
                                                                          ApplicationResin GeneralLight MetalLight MetalResin General-Resin GeneralLight MetalLight Metal-Cast Iron-Light MetalLight MetalLight MetalLight Metal / Cast Iron / Resin General-Cast IronResin General--Light Metal---Light Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal-Resin GeneralLight MetalCast IronLight Metal / Cast Iron / Resin General--Light Metal-Light Metal-Resin General---Light Metal / Cast Iron / Resin GeneralLight Metal
                                                                          NotchNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvided-Not ProvidedNot ProvidedProvidedNot ProvidedNot ProvidedProvidedNot ProvidedNot Provided---Provided---Not ProvidedProvidedProvidedNot Provided-Not ProvidedNot ProvidedNot Provided---Not Provided-Not Provided-Not Provided--Not Provided-Not Provided
                                                                          Thread Dia. (After inserted), Unified(inch)---------------------------------------------
                                                                          ShapeStandard-SlottedStandardStandardStandard--SlottedSlotted---Slotted-StandardStandardStandard---3-Hole Type-----Standard-StandardSlottedSlotted--3-Hole TypeStandard---StandardTip Free Type-Standard-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.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.)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.)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.)-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.Low Quantity (Available beginning with 1 pc.)---Box, Pkg.
                                                                          Cleaning Method-------------Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning-------------------------------

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