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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
  • 1 Day(s) or Less
  • 2 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)

          Recoil-Free (mm) SUS304

            Ultrasert UD2 / UD4 (Brass Cadmium-Free)

              Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

                Thread Insert (Box)

                  Insert SUS316

                    Recoil-Free (UNF) SUS304

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

                        Dodge Bit Insert Standard SD (Brass Cadmium-Less)

                          Dodge Insert Flange Type (Brass Cadmium-Less)

                            Recoil Packet (UNC)

                              Lock Recoil (mm) SUS304

                                Insert, Inconel X-750

                                  Male Screw Repair Coil Thread -R

                                    E-Certs

                                      Recoil-Free (Specified mm) SUS304

                                        Stainless Steel Recoil

                                          Sprue

                                            Sprue (Unify) (UNF)

                                              E-Sert Fine

                                                Recoil Packet (Milli)

                                                  Recoil Free (UNC) SUS304

                                                    Insert Phosphor Bronze

                                                      Recoil Packet for Spark Plugs

                                                        Recoil Packet (METRIC)

                                                          Stainless Steel E-Sert Fine (Hemlock-Made)

                                                            Coil Thread R

                                                              Sprue (Fine, P=1.25)

                                                                Sprue (Unified) (UNC)

                                                                  Lock Sprue

                                                                    E-Sert Unified (UNC)

                                                                      E-Sert Unified (UNF)

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

                                                                          Recoil Packet (UNF)

                                                                            Recoil-Free, Special Size

                                                                              Stainless Steel Sprue (Other, Fine)

                                                                                Stainless Steel Sprue (Unify) (UNC)

                                                                                  Stainless Steel Sprue (Unify) (UNF)

                                                                                    Stainless Steel E-Sert Hemlock-Made

                                                                                      Stainless Steel E-Sert (Unify) (UNC)

                                                                                        Stainless Steel E-Sert (Unify) (UNF)

                                                                                          E-Sert (Other Fine)

                                                                                            Lock E-Sert

                                                                                            Brand

                                                                                            MISUMI

                                                                                            RECOIL

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            MISUMI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            KS SANGYO

                                                                                            TSUGAMI

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            ACCURATE

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            TSUGAMI

                                                                                            TOKAI METAL INDUSTRY

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            SUNCO

                                                                                            Product Series

                                                                                            Thread Inserts

                                                                                            Nitronic 60 Insert

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

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

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

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

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

                                                                                            Insert SUS316

                                                                                            Recoil-Free (UNF) SUS304

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

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

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

                                                                                            Recoil Packet (UNC)【10 Pieces Per Package】

                                                                                            Lock Recoil (mm) SUS304

                                                                                            Insert, Inconel X-750

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

                                                                                            E-Certs

                                                                                            Recoil-Free (Specified mm) SUS304

                                                                                            Stainless Steel Recoil【1-100 Pieces Per Package】

                                                                                            Sprue【1-100 Pieces Per Package】

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

                                                                                            E-Sert Fine

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

                                                                                            Recoil Free (UNC) SUS304

                                                                                            Insert Phosphor Bronze

                                                                                            Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                            Recoil Packet (METRIC)【10 Pieces Per Package】

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

                                                                                            Coil Thread R

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

                                                                                            Sprue (Unified) (UNC)【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 Packet (UNF)【10 Pieces Per Package】

                                                                                            Recoil-Free, Special Size

                                                                                            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 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】

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

                                                                                            Lock E-Sert【1-100 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 4 Day(s) or more 1 Day(s) or more 1 Day(s) or more 2 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 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 2 Day(s) or more 4 Day(s) or more 5 Day(s) or more 4 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 7 Day(s) or more 5 Day(s) or more 8 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 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
                                                                                            Screw Dia. M (after insertion)(mm)3 ~ 163 ~ 121.6 ~ 82 ~ 422 ~ 102 ~ 83 ~ 83 ~ 16-1.4 ~ 62.6 ~ 82.6 ~ 8-3 ~ 203 ~ 123 ~ 62 ~ 248 ~ 242 ~ 162 ~ 30-10 ~ 162 ~ 20-3 ~ 241426 ~ 393 ~ 610 ~ 20-4 ~ 10--3 ~ 8-3 ~ 88 ~ 24--2 ~ 42--10 ~ 332.5 ~ 30
                                                                                            Environmentally friendly---------------------------------------------
                                                                                            TypeStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandardStandard
                                                                                            Characteristics/Applications---------------------------------------------
                                                                                            MaterialStainless Steel (SUS303/304)Nitrox 60BrassStainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS316)Stainless Steel (SUS303/304)BrassBrassBrassStainless 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) / Phosphor BronzeStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless 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)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)
                                                                                            Screw TypeMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Fine) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (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 / 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 / 3D / 0.7D1D / 1.5D / 2D / 2.5D / 3D1.5D / 2D / 2.5D1.5D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.5D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D-1D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 3D1D-1.5D / 2D1.5D0.5D / 0.8D1D / 1.5D / 2D1D / 1.5D1D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D1D / 1.5D / 2D1D / 1.5D / 2D
                                                                                            ApplicationLight MetalLight MetalResin GeneralLight MetalResin GeneralResin GeneralLight MetalLight MetalLight MetalResin GeneralResin GeneralResin GeneralLight MetalLight MetalLight Metal / Cast IronLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight Metal-Light MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal---Light Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralResin GeneralLight MetalLight Metal--------
                                                                                            NotchProvidedProvidedNot ProvidedProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvided--Provided-ProvidedProvidedProvidedProvidedProvidedNot ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvided
                                                                                            Thread Dia. (After inserted), Unified(inch)--------1"-12 ~ #10-32---1/4-20 ~ 7/16-14-------1/2-20 ~ #10-32--1/2-13 ~ #10-24------1/2-13 ~ #10-24----5/16-24 ~ 7/16-20--#2-563/8-24-1"-8 ~ #10-241/2-20 ~ #10-32--
                                                                                            Shape--Standard-StandardStandard---StandardStandardStandard---Standard--Standard--------Standard------Standard--StandardStandardStandardStandardSlottedStandard--
                                                                                            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.) / 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.)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.)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.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.)-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.)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.
                                                                                            Cleaning Method---------------------------------------------

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