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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

    Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

      Recoil-Free (mm) SUS304

        Ultrasert UD2 / UD4 (Brass Cadmium-Free)

          Insert SUS316

            Nitronic 60 Insert

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

                Lock Recoil (mm) SUS304

                • On Sale Till 31/03/2025

                Thread Insert (Box)

                  E-Certs

                    Dodge Insert Flange Type (Brass Cadmium-Less)

                      Coil Thread R

                        Sprue

                          Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                            Recoil Packet (Milli)

                              Insert Phosphor Bronze

                                Stainless Steel E-Sert Fine (Hemlock-Made)

                                  Sprue (Unified) (UNC)

                                    E-Sert Fine

                                      E-Sert Unified (UNC)

                                        E-Sert Unified (UNF)

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

                                            Recoil Packet (UNC)

                                              Recoil-Free, Special Size

                                                Recoil-Free (Specified mm) SUS304

                                                  Insert, Inconel X-750

                                                    Stainless Steel Sprue (Unify) (UNC)

                                                      Male Screw Repair Coil Thread -R

                                                        Lock E-Sert

                                                          Lock Type Sprew (Other, Fine)

                                                            Sprue (Fine, P=1.25)

                                                              Sprue (Unify) (UNF)

                                                                Lock Sprue

                                                                  Recoil Packet (UNF)

                                                                    Recoil Free (UNC) SUS304

                                                                      Recoil-Free (UNF) SUS304

                                                                        Recoil Packet for Spark Plugs

                                                                          Recoil Packet (METRIC)

                                                                            Stainless Steel Sprue (Other, Fine)

                                                                              Stainless Steel Sprue (Unify) (UNF)

                                                                                Stainless Steel Recoil

                                                                                  Stainless Steel E-Sert Hemlock-Made

                                                                                    Stainless Steel E-Sert (Unify) (UNC)

                                                                                      Stainless Steel E-Sert (Unify) (UNF)

                                                                                      Brand

                                                                                      TOKAI METAL INDUSTRY

                                                                                      MISUMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      MISUMI

                                                                                      TSUGAMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      ACCURATE

                                                                                      NIPPON SPREW

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      NIPPON SPREW

                                                                                      TSUGAMI

                                                                                      TSUGAMI

                                                                                      TSUGAMI

                                                                                      TOKAI METAL INDUSTRY

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      KS SANGYO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      NIPPON SPREW

                                                                                      NIPPON SPREW

                                                                                      NIPPON SPREW

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      RECOIL

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      SUNCO

                                                                                      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)【1-5,000 Pieces Per Package】

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

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

                                                                                      Insert SUS316

                                                                                      Nitronic 60 Insert

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

                                                                                      Lock Recoil (mm) SUS304

                                                                                      Thread Insert (Box)【100 Pieces Per Package】

                                                                                      E-Certs【1-100 Pieces Per Package】

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

                                                                                      Coil Thread R

                                                                                      Sprue【1-100 Pieces Per Package】

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

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

                                                                                      Insert Phosphor Bronze

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

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

                                                                                      E-Sert Fine

                                                                                      E-Sert Unified (UNC)

                                                                                      E-Sert Unified (UNF)

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

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

                                                                                      Recoil-Free, Special Size

                                                                                      Recoil-Free (Specified mm) SUS304

                                                                                      Insert, Inconel X-750

                                                                                      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】

                                                                                      Lock Type Sprew (Other, Fine)【10 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】

                                                                                      Recoil Packet (UNF)【10 Pieces Per Package】

                                                                                      Recoil Free (UNC) SUS304

                                                                                      Recoil-Free (UNF) SUS304

                                                                                      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) (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】

                                                                                      Stainless Steel E-Sert (Unify) (UNF)【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 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 Same day 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 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 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
                                                                                      Screw Dia. M (after insertion)(mm)1.6 ~ 83 ~ 162 ~ 82 ~ 422 ~ 103 ~ 163 ~ 121.4 ~ 63 ~ 243 ~ 82 ~ 242.6 ~ 83 ~ 62 ~ 302.6 ~ 82 ~ 203 ~ 246 ~ 39-10 ~ 16--3 ~ 8-3 ~ 88 ~ 243 ~ 12-3 ~ 62.5 ~ 301010 ~ 20-4 ~ 10---1428 ~ 24-2 ~ 162 ~ 36--
                                                                                      Environmentally friendly---------------------------------------------
                                                                                      TypeStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
                                                                                      Characteristics/Applications---------------------------------------------
                                                                                      MaterialBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassStainless Steel (SUS316)Nitrox 60BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304) / Phosphor BronzeBrassStainless Steel (SUS303/304)Phosphor BronzeStainless 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)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)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)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) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) Thread
                                                                                      Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 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 / 3D / 0.7D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1.5D / 2D / 2.5D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D-1.5D / 2D1.5D0.5D / 0.8D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D1D / 1.5D / 2D1D / 1.5D / 2D1.5D1D / 1.5D / 2D1D / 1.5D / 2D / 3D1D / 1.5D / 2D / 3D1.5D1D / 1.5D / 2D1D / 1.5D / 2D-1D / 2D1D / 1.5D / 2D1D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D
                                                                                      ApplicationResin GeneralLight MetalResin GeneralLight MetalResin GeneralLight MetalLight MetalResin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralResin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalResin GeneralLight MetalLight Metal-Light MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalLight MetalLight MetalLight Metal / Cast Iron-Light Metal / Cast Iron / Resin General--Light MetalLight MetalLight MetalLight MetalLight MetalLight Metal--------
                                                                                      NotchNot ProvidedProvidedNot ProvidedProvidedNot ProvidedProvidedProvidedNot ProvidedProvidedProvidedProvidedNot Provided-ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvided--ProvidedProvidedProvidedProvidedProvidedProvided
                                                                                      Thread Dia. (After inserted), Unified(inch)------------------1/2-13 ~ #10-24----1/2-13 ~ #12-24---#2-56----1/2-20 ~ #10-32-1/2-20 ~ #10-321"-8 ~ #10-241"-12 ~ #10-32---3/8-24--1"-8 ~ #10-241/2-20 ~ #10-32
                                                                                      ShapeStandard-Standard-Standard--Standard---Standard--Standard--Standard----Standard----StandardStandard----------StandardStandardStandardStandardSlottedStandard
                                                                                      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.) / 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.)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.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.)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.) / 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.)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.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.
                                                                                      Cleaning Method---------------------------------------------

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