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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)
Type
Material
Screw Type
Length L (after insertion) (D = Thread Dia. M)
Application
Notch
Thread Dia. (After inserted), Unified(inch)
Shape
Sales Unit

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

      Thread Inserts

        Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

          Ultrasert UD2 / UD4 (Brass Cadmium-Free)

            Recoil-Free (mm) SUS304

              Nitronic 60 Insert

                Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                  Recoil-Free (UNF) SUS304

                    Coil Thread R

                      Insert SUS316

                        Sprue

                          E-Certs

                            Dodge Insert Flange Type (Brass Cadmium-Less)

                              Stainless Steel Sprue (Unify) (UNC)

                                Thread Insert (Box)

                                  Sprue (Unified) (UNC)

                                    Recoil Packet (Milli)

                                      Recoil Packet (UNF)

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

                                          Lock Recoil (mm) SUS304

                                            Insert Phosphor Bronze

                                              Insert, Inconel X-750

                                                Stainless Steel E-Sert Fine (Hemlock-Made)

                                                  Stainless Steel E-Sert (Unify) (UNF)

                                                    Male Screw Repair Coil Thread -R

                                                      Sprue (Fine, P=1.25)

                                                        Sprue (Unify) (UNF)

                                                          Lock Sprue

                                                            E-Sert Unified (UNC)

                                                              Recoil Free (UNC) SUS304

                                                                Recoil Packet for Spark Plugs

                                                                  Stainless Steel Sprue (Unify) (UNF)

                                                                    Lock E-Sert

                                                                      Lock E-Sert (Fine Mesh)

                                                                        Lock Type Sprew

                                                                          E-Sert Fine

                                                                            E-Sert Unified (UNF)

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

                                                                                Recoil Packet (UNC)

                                                                                  Recoil-Free, Special Size

                                                                                    Recoil-Free (Specified mm) SUS304

                                                                                      Recoil Packet (METRIC)

                                                                                        Stainless Steel Sprue (Other, Fine)

                                                                                          Stainless Steel Recoil

                                                                                            Stainless Steel E-Sert Hemlock-Made

                                                                                            Brand

                                                                                            TOKAI METAL INDUSTRY

                                                                                            MISUMI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            ACCURATE

                                                                                            RECOIL

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            SUNCO

                                                                                            MISUMI

                                                                                            NIPPON SPREW

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            KS SANGYO

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            TSUGAMI

                                                                                            TSUGAMI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            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】

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

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

                                                                                            Nitronic 60 Insert

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

                                                                                            Recoil-Free (UNF) SUS304

                                                                                            Coil Thread R

                                                                                            Insert SUS316

                                                                                            Sprue【1-100 Pieces Per Package】

                                                                                            E-Certs

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

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

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

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

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

                                                                                            Recoil Packet (UNF)【10 Pieces Per Package】

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

                                                                                            Lock Recoil (mm) SUS304

                                                                                            Insert Phosphor Bronze

                                                                                            Insert, Inconel X-750

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

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

                                                                                            Male Screw Repair Coil Thread -R【20 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)

                                                                                            Recoil Free (UNC) SUS304

                                                                                            Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                            Stainless Steel Sprue (Unify) (UNF)

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

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

                                                                                            Lock Type Sprew【1-500 Pieces Per Package】

                                                                                            E-Sert Fine

                                                                                            E-Sert Unified (UNF)

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

                                                                                            Recoil Packet (UNC)【10 Pieces Per Package】

                                                                                            Recoil-Free, Special Size

                                                                                            Recoil-Free (Specified mm) SUS304

                                                                                            Recoil Packet (METRIC)【10 Pieces Per Package】

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

                                                                                            Stainless Steel Recoil【1-100 Pieces Per Package】

                                                                                            Stainless Steel E-Sert Hemlock-Made【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 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 Same day 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 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 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
                                                                                            Screw Dia. M (after insertion)(mm)1.6 ~ 83 ~ 162 ~ 82 ~ 102 ~ 423 ~ 122.6 ~ 8-3 ~ 63 ~ 162 ~ 302 ~ 242.6 ~ 8-3 ~ 8-2 ~ 20-1.4 ~ 63 ~ 203 ~ 243 ~ 126 ~ 39-3 ~ 610 ~ 20-5 ~ 10--14-2.5 ~ 308 ~ 332.5 ~ 2410 ~ 16-3 ~ 8-3 ~ 88 ~ 2428 ~ 242 ~ 162 ~ 36
                                                                                            TypeStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
                                                                                            MaterialBrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Nitrox 60BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS316)Stainless Steel (SUS303/304) / Phosphor BronzeStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)Phosphor BronzeInconel 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)BrassStainless 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) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) 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 / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1.5D / 2D / 2.5D1D / 1.5D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 3D1D / 1.5D / 3D1D1D / 1.5D / 2D-1D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D-1.5D / 2D1.5D0.5D / 0.8D1D / 1.5D / 2D1D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D / 2.5D / 3D
                                                                                            ApplicationResin GeneralLight MetalResin GeneralResin GeneralLight MetalLight MetalResin GeneralLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralResin General-Light MetalLight MetalLight MetalLight MetalResin GeneralLight MetalLight MetalLight Metal / Cast Iron--Light Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal-----Light Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalLight MetalLight Metal----
                                                                                            NotchNot ProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedNot ProvidedProvided-ProvidedProvidedProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvided-ProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedProvidedProvidedProvided-ProvidedProvidedProvided
                                                                                            Thread Dia. (After inserted), Unified(inch)-------1"-12 ~ #10-32-----#2-56-1/2-13 ~ #10-24-5/16-24 ~ 7/16-20-----1/2-20 ~ #10-32--1/2-20 ~ #10-32--1/2-13 ~ #10-24-3/8-24------1/4-20 ~ 7/16-14------
                                                                                            ShapeStandard-StandardStandard--Standard-----StandardStandard----Standard---StandardStandardStandard------Standard-----Standard----StandardStandardStandard
                                                                                            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.) / 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.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.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.) / 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.)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.

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