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

Thread Inserts

  • On Sale Till 31/03/2025

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

    Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

      Ultrasert UD2 / UD4 (Brass Cadmium-Free)

        Recoil-Free (mm) SUS304

          Nitronic 60 Insert

            E-Certs

              Insert SUS316

              • On Sale Till 31/03/2025

              Thread Insert (Box)

                Sprue

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

                    Dodge Insert Flange Type (Brass Cadmium-Less)

                      Recoil Packet (Milli)

                        Recoil Packet (UNC)

                          Lock Recoil (mm) SUS304

                            Stainless Steel E-Sert Fine (Hemlock-Made)

                              Recoil Packet (UNF)

                                Coil Thread R

                                  Stainless Steel E-Sert (Unify) (UNF)

                                    Sprue (Unified) (UNC)

                                      E-Sert Fine

                                        Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                          Recoil-Free (Specified mm) SUS304

                                            Recoil Free (UNC) SUS304

                                              Insert, Inconel X-750

                                                Lock Type Sprew

                                                  Sprue (Fine, P=1.25)

                                                    Sprue (Unify) (UNF)

                                                      Lock Sprue

                                                        E-Sert Unified (UNC)

                                                          E-Sert Unified (UNF)

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

                                                              Recoil-Free, Special Size

                                                                Recoil-Free (UNF) SUS304

                                                                  Insert Phosphor Bronze

                                                                    Recoil Packet for Spark Plugs

                                                                      Recoil Packet (METRIC)

                                                                        Stainless Steel Sprue (Other, Fine)

                                                                          Stainless Steel Sprue (Unify) (UNC)

                                                                            Stainless Steel Sprue (Unify) (UNF)

                                                                              Stainless Steel Recoil

                                                                                Stainless Steel E-Sert Hemlock-Made

                                                                                  Stainless Steel E-Sert (Unify) (UNC)

                                                                                    Male Screw Repair Coil Thread -R

                                                                                      E-Sert (Other Fine)

                                                                                      Brand

                                                                                      MISUMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      TOKAI METAL INDUSTRY

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      TSUGAMI

                                                                                      RECOIL

                                                                                      MISUMI

                                                                                      NIPPON SPREW

                                                                                      TOKAI METAL INDUSTRY

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      RECOIL

                                                                                      ACCURATE

                                                                                      SUNCO

                                                                                      NIPPON SPREW

                                                                                      TSUGAMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      NIPPON SPREW

                                                                                      NIPPON SPREW

                                                                                      NIPPON SPREW

                                                                                      TSUGAMI

                                                                                      TSUGAMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      KS SANGYO

                                                                                      SUNCO

                                                                                      Product Series

                                                                                      Thread Inserts

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

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

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

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

                                                                                      Nitronic 60 Insert

                                                                                      E-Certs【1-100 Pieces Per Package】

                                                                                      Insert SUS316

                                                                                      Thread Insert (Box)【100 Pieces Per Package】

                                                                                      Sprue【1-100 Pieces Per Package】

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

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

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

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

                                                                                      Lock Recoil (mm) SUS304

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

                                                                                      Recoil Packet (UNF)【10 Pieces Per Package】

                                                                                      Coil Thread R

                                                                                      Stainless Steel E-Sert (Unify) (UNF)【1-100 Pieces Per Package】

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

                                                                                      E-Sert Fine

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

                                                                                      Recoil-Free (Specified mm) SUS304

                                                                                      Recoil Free (UNC) SUS304

                                                                                      Insert, Inconel X-750

                                                                                      Lock Type Sprew【1-500 Pieces Per Package】

                                                                                      Sprue (Fine, P=1.25)【1-100 Pieces Per Package】

                                                                                      Sprue (Unify) (UNF)【1-100 Pieces Per Package】

                                                                                      Lock Sprue【1-100 Pieces Per Package】

                                                                                      E-Sert Unified (UNC)

                                                                                      E-Sert Unified (UNF)

                                                                                      Ultrasert 4 FUIV, Flange Type (Brass, Cadmium-Free)【1-1,000 Pieces Per Package】

                                                                                      Recoil-Free, Special Size

                                                                                      Recoil-Free (UNF) SUS304

                                                                                      Insert Phosphor Bronze

                                                                                      Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                      Recoil Packet (METRIC)【10 Pieces Per Package】

                                                                                      Stainless Steel Sprue (Other, Fine)【1-100 Pieces Per Package】

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

                                                                                      Stainless Steel Sprue (Unify) (UNF)

                                                                                      Stainless Steel Recoil【1-100 Pieces Per Package】

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

                                                                                      Stainless Steel E-Sert (Unify) (UNC)【1-100 Pieces Per Package】

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

                                                                                      E-Sert (Other Fine)【1-100 Pieces Per Package】

                                                                                      CAD
                                                                                      • 2D / 3D
                                                                                      • 2D / 3D
                                                                                      Days to Ship Same day or more Same day or more Same day or more Same day or more 4 Day(s) or more 4 Day(s) or more Same day or more 4 Day(s) or more Same day or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 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 8 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more
                                                                                      Screw Dia. M (after insertion)(mm)3 ~ 161.6 ~ 82 ~ 82 ~ 102 ~ 423 ~ 122 ~ 243 ~ 163 ~ 82 ~ 301.4 ~ 62.6 ~ 82 ~ 20-3 ~ 246 ~ 39-3 ~ 6--10 ~ 162.6 ~ 88 ~ 24-3 ~ 122.5 ~ 2410 ~ 20-4 ~ 10--3 ~ 83 ~ 8-3 ~ 241428 ~ 24--2 ~ 162 ~ 36-3 ~ 610 ~ 33
                                                                                      Environmentally friendly---------------------------------------------
                                                                                      TypeStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
                                                                                      Characteristics/Applications---------------------------------------------
                                                                                      MaterialStainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Nitrox 60Stainless Steel (SUS303/304)Stainless Steel (SUS316)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeBrassBrassStainless 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)Stainless Steel (SUS303/304)BrassStainless 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)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless 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)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)
                                                                                      Screw TypeMetric (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) Thread / Metric (Fine) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) Thread
                                                                                      Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.7D1.5D / 2D / 2.5D1D / 1.5D / 2D1.5D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D1.5D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 3D1D / 1.5D / 2D / 3D1D-1.5D / 2D0.5D / 0.8D1D / 1.5D / 2D1D / 1.5D / 2D-1D / 2D1D / 1.5D / 2D1D / 1.5D1D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D
                                                                                      ApplicationLight MetalResin GeneralResin GeneralResin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight MetalResin GeneralResin GeneralLight MetalLight MetalLight Metal-Light MetalLight Metal / Cast Iron / Resin General-Light MetalLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalLight MetalLight Metal / Cast Iron-Light MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalLight MetalLight Metal--------Light Metal / Cast Iron / Resin General-
                                                                                      NotchProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvided-ProvidedProvidedProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedProvidedProvidedProvided--ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvided
                                                                                      Thread Dia. (After inserted), Unified(inch)-------------1/2-13 ~ #12-24--1/2-20 ~ #10-32-1/2-20 ~ #10-321/2-13 ~ #10-24---1"-8 ~ #10-24---1/2-20 ~ #10-32-----1"-12 ~ #10-32----#2-563/8-24--1"-8 ~ #10-24--
                                                                                      Shape-StandardStandardStandard------StandardStandard---Standard--Standard--Standard---------Standard-----StandardStandardStandardStandardStandardSlottedStandard-
                                                                                      Sales UnitLow 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.) / 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.) / 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.)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.) / 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.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.)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.) / Box, Pkg.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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