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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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  • 1 Day(s) or Less
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  • 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

    Thread Inserts

      Nitronic 60 Insert

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

          Thread Inserts, Economy series

            E-Certs

              Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

                Recoil-Free (mm) SUS304

                  Ultrasert UD2 / UD4 (Brass Cadmium-Free)

                    Insert SUS316

                      Coil Thread R

                        Thread Insert (Box), Economy series

                          Recoil Packet (UNC)

                            E-Sert Fine

                              E-Sert (Other Fine)

                                Thread Insert (Box)

                                  Sprue

                                    E-Sert Unified (UNC)

                                      Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                                        Recoil-Free (Specified mm) SUS304

                                          Recoil Free (UNC) SUS304

                                            Recoil Packet for Spark Plugs

                                              Recoil Packet (METRIC)

                                                Stainless Steel E-Sert Hemlock-Made

                                                  Sprue (Fine, P=1.25)

                                                    Sprue (Unified) (UNC)

                                                      Sprue (Unify) (UNF)

                                                        Lock Sprue

                                                          E-Sert Unified (UNF)

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

                                                              Dodge Insert Flange Type (Brass Cadmium-Less)

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

                                                                  Recoil Packet (Milli)

                                                                    Recoil Packet (UNF)

                                                                      Recoil-Free, Special Size

                                                                        Lock Recoil (mm) SUS304

                                                                          Insert Phosphor Bronze

                                                                            Insert, Inconel X-750

                                                                              Stainless Steel Sprue (Other, Fine)

                                                                                Stainless Steel Sprue (Unify) (UNC)

                                                                                  Stainless Steel Sprue (Unify) (UNF)

                                                                                    Stainless Steel Recoil

                                                                                      Stainless Steel E-Sert Fine (Hemlock-Made)

                                                                                        Stainless Steel E-Sert (Unify) (UNC)

                                                                                          Stainless Steel E-Sert (Unify) (UNF)

                                                                                            Male Screw Repair Coil Thread -R

                                                                                            Brand

                                                                                            MISUMI

                                                                                            RECOIL

                                                                                            TOKAI

                                                                                            MISUMI

                                                                                            MiSUMi Economy

                                                                                            TSUGAMI

                                                                                            TOKAI

                                                                                            RECOIL

                                                                                            TOKAI

                                                                                            RECOIL

                                                                                            ACCURATE

                                                                                            MISUMI

                                                                                            MiSUMi Economy

                                                                                            RECOIL

                                                                                            TSUGAMI

                                                                                            SUNCO

                                                                                            MISUMI

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            TOKAI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            TOKAI

                                                                                            TOKAI

                                                                                            TOKAI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            KSSC

                                                                                            Product Series

                                                                                            Thread Inserts

                                                                                            Nitronic 60 Insert

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

                                                                                            Thread Inserts, Economy series

                                                                                            E-Certs【1-100 Pieces Per Package】

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

                                                                                            Recoil-Free (mm) SUS304

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

                                                                                            Insert SUS316

                                                                                            Coil Thread R

                                                                                            Thread Insert (Box), Economy series【100 Pieces Per Package】

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

                                                                                            E-Sert Fine

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

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

                                                                                            Sprue【1-100 Pieces Per Package】

                                                                                            E-Sert Unified (UNC)

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

                                                                                            Recoil-Free (Specified mm) SUS304

                                                                                            Recoil Free (UNC) SUS304

                                                                                            Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                            Recoil Packet (METRIC)【10 Pieces Per Package】

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

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

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

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

                                                                                            Lock Sprue【1-100 Pieces Per Package】

                                                                                            E-Sert Unified (UNF)

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

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

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

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

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

                                                                                            Recoil-Free, Special Size

                                                                                            Lock Recoil (mm) SUS304

                                                                                            Insert Phosphor Bronze

                                                                                            Insert, Inconel X-750

                                                                                            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 Fine (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】

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

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship 1 Day(s) or more 4 Day(s) or more 1 Day(s) or more 6 Day(s) 2 Day(s) or more 1 Day(s) or more 4 Day(s) or more 1 Day(s) or more 4 Day(s) or more 8 Day(s) or more 6 Day(s) 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 2 Day(s) or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 7 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 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 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 4 Day(s) or more
                                                                                            Screw Dia. M (after insertion)(mm)3 ~ 163 ~ 121.6 ~ 83 ~ 162 ~ 242 ~ 83 ~ 162 ~ 103 ~ 163 ~ 63 ~ 8-10 ~ 1610 ~ 333 ~ 82 ~ 30-2.6 ~ 812-1422 ~ 3610 ~ 20--4 ~ 10-3 ~ 82.6 ~ 81.4 ~ 62 ~ 20-3 ~ 86 ~ 83 ~ 243 ~ 128 ~ 24--2 ~ 166 ~ 39--3 ~ 6
                                                                                            Environmentally friendlyRoHS Compliant (10 Substances)--RoHS Compliant (10 Substances)------RoHS Compliant (10 Substances)---RoHS Compliant (10 Substances)------------------------------
                                                                                            TypeStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
                                                                                            Characteristics/ApplicationsNot Applicable--Not Applicable------Not Applicable---Not Applicable------------------------------
                                                                                            MaterialStainless Steel (SUS303/304)Nitrox 60BrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassStainless Steel (SUS316)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) / 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)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless 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)
                                                                                            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) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) Thread
                                                                                            Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D / 2.5D / 3D1.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1.5D-1D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 3D1D / 1.5D / 2D / 3D-1.5D / 2D1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D / 0.7D1D / 1.5D / 2D1.5D0.5D / 0.8D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D1D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D
                                                                                            ApplicationLight Metal / Cast Iron / Resin GeneralLight MetalResin GeneralLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalResin GeneralLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal / Cast Iron / Resin General-Light MetalLight MetalLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalLight Metal---Light MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralResin GeneralResin GeneralResin GeneralLight MetalLight MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron-------Light Metal / Cast Iron / Resin General
                                                                                            NotchProvidedProvidedNot ProvidedProvidedProvidedNot ProvidedProvidedNot ProvidedProvided-ProvidedProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedProvidedProvided--ProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvided
                                                                                            Thread Dia. (After inserted), Unified(inch)-----------1/2-13 ~ #12-24-------5/16-18----1/2-13 ~ #10-241/2-20 ~ #10-32------1/2-20 ~ #10-32-----#2-563/8-24--1"-8 ~ #10-241/2-20 ~ #10-32-
                                                                                            Shape--Standard--Standard-Standard---------Standard----Standard-----StandardStandardStandard------StandardStandardStandardStandardStandardSlottedStandardStandard
                                                                                            Sales UnitLow 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.)-Box, Pkg.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.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.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.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / 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.) / Box, Pkg.Box, Pkg.
                                                                                            Cleaning Method---------------------------------------------

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