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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)

      • On Sale Till 31/03/2025

      Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

        Techlock (SL)

        • On Sale Till 31/03/2025

        Ensat Expanded Slot Type, Model 302

          Nitronic 60 Insert

            Recoil-Free (mm) SUS304

              Insert SUS316

                Tool for Ensat, for Manual Processing, 610 Type

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

                    E-Certs

                      C Lock (CL Type)

                        Brass Sonic Lock (SL Type)

                        • On Sale Till 31/03/2025

                        Thread Inserts/Tangless

                          Stainless Steel/Insert Nut Threaded Type / IRU

                          • On Sale Till 31/03/2025

                          Taps for Thread Inserts

                            [Clean & Pack]Self-Tapping Inserts - Slotted

                              Tangless Inserts Installation/Removal Tools

                                Trade Series Recoil Kit (Milli)

                                  Thread Insert Removal Tool

                                  • On Sale Till 31/03/2025

                                  Tangless Insert Metric Coarse

                                    Recoil-Free (Specified mm) SUS304

                                      Ensat 3 Holes Short Type, Model 307

                                        Sprue

                                          Lock Recoil (mm) SUS304

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

                                            • On Sale Till 31/03/2025

                                            Heat-Lok (HL Type)

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

                                                Coil Thread R

                                                  Recoil Tap

                                                    Ensat, Type 308, 3-Hole / Long Size

                                                      Sprue Insertion Tool INP M Thread

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

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

                                                            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

                                                                  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 (Flanged) / HFU

                                                                          Brand

                                                                          TOKAI METAL INDUSTRY

                                                                          MISUMI

                                                                          MISUMI

                                                                          TOKAI METAL INDUSTRY

                                                                          TOKAI METAL INDUSTRY

                                                                          JAPAN DRIVEIT

                                                                          KKV

                                                                          RECOIL

                                                                          RECOIL

                                                                          RECOIL

                                                                          KKV

                                                                          HIROSUGI-KEIKI

                                                                          TSUGAMI

                                                                          BOHSEI

                                                                          SUNCO

                                                                          MISUMI

                                                                          HIROSUGI-KEIKI

                                                                          MISUMI

                                                                          MISUMI

                                                                          MISUMI

                                                                          RECOIL

                                                                          MISUMI

                                                                          ACCURATE

                                                                          RECOIL

                                                                          KKV

                                                                          NIPPON SPREW

                                                                          RECOIL

                                                                          HIROSUGI-KEIKI

                                                                          JAPAN DRIVEIT

                                                                          MISUMI

                                                                          ACCURATE

                                                                          RECOIL

                                                                          KKV

                                                                          SUNCO

                                                                          HIROSUGI-KEIKI

                                                                          HIROSUGI-KEIKI

                                                                          HIROSUGI-KEIKI

                                                                          MISUMI

                                                                          MISUMI

                                                                          TSUGAMI

                                                                          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】

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

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

                                                                          Ensat Expanded Slot Type, Model 302

                                                                          Nitronic 60 Insert

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

                                                                          Insert SUS316

                                                                          Tool for Ensat, for Manual Processing, 610 Type

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

                                                                          E-Certs

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

                                                                          Brass Sonic Lock (SL Type)

                                                                          Thread Inserts/Tangless

                                                                          Stainless Steel/Insert Nut Threaded Type / IRU

                                                                          Taps for Thread Inserts

                                                                          [Clean & Pack]Self-Tapping Inserts - Slotted

                                                                          Tangless Inserts Installation/Removal Tools

                                                                          Trade Series Recoil Kit (Milli)

                                                                          Thread Insert Removal Tool

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

                                                                          Recoil-Free (Specified mm) SUS304

                                                                          Ensat 3 Holes Short Type, Model 307

                                                                          Sprue【1-100 Pieces Per Package】

                                                                          Lock Recoil (mm) SUS304

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

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

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

                                                                          Coil Thread R

                                                                          Recoil Tap

                                                                          Ensat, Type 308, 3-Hole / Long Size

                                                                          Sprue Insertion Tool INP M Thread

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

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

                                                                          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

                                                                          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 (Flanged) / HFU

                                                                          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 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 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 8 Day(s) 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 4 Day(s) or more 4 Day(s) or more 11 Day(s) or more Same day or more Same day or more 8 Day(s) or more 7 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 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 3 Day(s) or more 11 Day(s) or more
                                                                          Screw Dia. M (after insertion)(mm)1.6 ~ 83 ~ 163 ~ 122 ~ 102 ~ 82 ~ 102.5 ~ 303 ~ 122 ~ 423 ~ 162.5 ~ 162.6 ~ 82 ~ 242 ~ 62.5 ~ 42.5 ~ 102 ~ 8-3 ~ 12-2 ~ 20-2 ~ 248 ~ 243 ~ 162 ~ 303 ~ 202 ~ 83 ~ 6-3 ~ 63 ~ 103 ~ 162.2 ~ 202.6 ~ 82.6 ~ 81.4 ~ 5-2.5 ~ 83 ~ 123 ~ 122.5 ~ 303 ~ 62.5 ~ 123 ~ 8
                                                                          Environmentally friendly------------------RoHS Compliant (10 Substances)--------------------------
                                                                          TypeStandardStandardSelf-TappingStandardStandardPress FitSelf-TappingStandardStandardStandardToolSelf-TappingStandardPress FitPress FitTanglessSelf-TappingToolSelf-TappingToolToolToolTanglessStandardSelf-TappingStandardStandardSelf-TappingPress FitToolStandardToolSelf-TappingToolSelf-TappingSelf-TappingPress FitToolTanglessToolSelf-TappingToolPress FitTanglessPress Fit
                                                                          Characteristics/Applications------------------Clean Washed--------------------------
                                                                          MaterialBrassStainless Steel (SUS303/304)Steel / Stainless Steel (SUS303/304)BrassBrassBrassSteel / Stainless Steel (SUS303/304) / Stainless Steel (SUS430F) / BrassNitrox 60Stainless Steel (SUS303/304)Stainless Steel (SUS316)SteelStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)-Stainless Steel (SUS303/304)-Stainless Steel (SUS303/304)-Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Steel / Stainless Steel (SUS303/304) / Stainless Steel (SUS430F)Stainless Steel (SUS303/304) / Phosphor BronzeStainless Steel (SUS303/304)BrassBrass-Stainless Steel (SUS303/304)-Steel / Stainless Steel (SUS303/304) / Stainless Steel (SUS430F)-BrassStainless Steel (SUS303/304)Brass-Stainless Steel (SUS303/304)SteelSteel / 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) Thread-Metric (Coarse) Thread---Metric (Coarse) Thread / Metric (Fine) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (Coarse) Thread-Metric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (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 / 2.5D / 3D1D / 1.5D / 2D / 2.5D-1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.5D--1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D-----1D / 1.5D / 2D1D / 1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D1.5D / 2D-1D / 1.5D / 2D---1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D / 4D-1D / 1.5D / 2D---1.5D / 2D1D / 1.5D / 2D1.5D / 2D / 2.5D
                                                                          ApplicationResin GeneralLight MetalLight MetalResin GeneralResin General--Light MetalLight MetalLight Metal-Cast IronLight Metal / Cast Iron / Resin GeneralResin General-Light MetalCast Iron-Light Metal---Light Metal / Cast Iron / Resin GeneralLight Metal-Light MetalLight MetalLight MetalResin General-Light Metal / Cast Iron / Resin General---Light MetalCast IronLight Metal-Light Metal----Light Metal / Cast Iron / Resin GeneralLight Metal
                                                                          NotchNot ProvidedProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided-ProvidedProvidedProvidedNot ProvidedNot ProvidedProvided-Not ProvidedNot ProvidedNot Provided-Not Provided---Not ProvidedProvided-ProvidedProvidedNot ProvidedNot Provided-----Not ProvidedNot ProvidedNot Provided-Not Provided---Not Provided-Not Provided
                                                                          Thread Dia. (After inserted), Unified(inch)---------------------------------------------
                                                                          ShapeStandard-SlottedStandardStandardStandardSlotted----Slotted-StandardStandard-Standard-Slotted-----3-Hole Type--StandardStandard---3-Hole Type-SlottedSlottedStandard---Tip 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.)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.)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.)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.)Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)---Box, Pkg.
                                                                          Cleaning Method------------------Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning--------------------------

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