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Insert(Material:Stainless Steel (SUS303/304))

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
  • 2 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

    Thread Inserts

      Self-Tapping Inserts - Slotted

        Keylocking Inserts (KIC)

          Ensat Expanded Slot Type, Model 302

            Recoil-Free (mm) SUS304

              Thread Inserts/Tangless

                Ensat 3 Holes Short Type, Model 307

                  Sprue

                    Tangless Insert Unified Coarse

                      Tangless Insert Metric Coarse

                        E-Certs

                          Ensat Chip Free Short Type, Model 337

                            Tangless Insert (SUS304)

                              Trade series recoil kit (UNC)

                                Ensat, Type 308, 3-Hole / Long Size

                                  Stainless Steel/Insert Nut Threaded Type / IRU

                                    Ensat Chip Free Long Type, Model 338

                                      Recoil-Free (Specified mm) SUS304

                                        Ensat Extra Coarse External Thread Type, Model 309

                                          Stainless Steel E-Sert (Unify) (UNC)

                                            Stainless Steel Insert Nut, Screw-in (Slotted)/IRU-S

                                              Thread Insert (Box)

                                                [Clean & Pack]Self-Tapping Inserts - Slotted

                                                  E-Sert Fine

                                                    Recoil Packet (Milli)

                                                      Recoil Packet for Spark Plugs

                                                        Thread Insert (Box)

                                                          Self Floating Fastener

                                                            Trade Series Recoil Kit (Milli)

                                                              Recoil Free (UNC) SUS304

                                                                Recoil-Free (UNF) SUS304

                                                                  Lock Recoil (mm) SUS304

                                                                    Recoil Kit with Pilot Tap

                                                                      Tangless insert metric coarselocking

                                                                        Tangless insert unified coarse locking

                                                                          Tangless Insert Unified Fine

                                                                            Sel Locking Fastener SLN (Non-Lock)

                                                                              Sel Locking Fastener SL (Lock)

                                                                                Sprue (Fine, P=1.25)

                                                                                  Sprue (Unified) (UNC)

                                                                                    E-Sert Unified (UNC)

                                                                                      ILISERT (Unified/UNC)

                                                                                        Recoil Packet (UNF)

                                                                                          Recoil-Free, Special Size

                                                                                            Recoil Kit for Spark Plugs

                                                                                            Brand

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            IMAO CORPORATION

                                                                                            KKV

                                                                                            RECOIL

                                                                                            MISUMI

                                                                                            KKV

                                                                                            NIPPON SPREW

                                                                                            ACCURATE

                                                                                            ACCURATE

                                                                                            TSUGAMI

                                                                                            KKV

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            KKV

                                                                                            HIROSUGI-KEIKI

                                                                                            KKV

                                                                                            RECOIL

                                                                                            KKV

                                                                                            SUNCO

                                                                                            HIROSUGI-KEIKI

                                                                                            MISUMI

                                                                                            MISUMI

                                                                                            TSUGAMI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            MISUMI

                                                                                            SEL JAPAN

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            ACCURATE

                                                                                            ACCURATE

                                                                                            ACCURATE

                                                                                            SEL JAPAN

                                                                                            SEL JAPAN

                                                                                            NIPPON SPREW

                                                                                            NIPPON SPREW

                                                                                            TSUGAMI

                                                                                            HIROSUGI SEIKI

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            RECOIL

                                                                                            Product Series

                                                                                            Thread Inserts

                                                                                            Self-Tapping Inserts - Slotted

                                                                                            Keylocking Inserts (KIC)

                                                                                            Ensat Expanded Slot Type, Model 302

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

                                                                                            Thread Inserts/Tangless

                                                                                            Ensat 3 Holes Short Type, Model 307

                                                                                            Sprue【1-100 Pieces Per Package】

                                                                                            Tangless Insert Unified Coarse

                                                                                            Tangless Insert Metric Coarse【1-50 Pieces Per Package】

                                                                                            E-Certs【1-100 Pieces Per Package】

                                                                                            Ensat Chip Free Short Type, Model 337

                                                                                            Tangless Insert (SUS304)

                                                                                            Trade series recoil kit (UNC)

                                                                                            Ensat, Type 308, 3-Hole / Long Size

                                                                                            Stainless Steel/Insert Nut Threaded Type / IRU

                                                                                            Ensat Chip Free Long Type, Model 338

                                                                                            Recoil-Free (Specified mm) SUS304

                                                                                            Ensat Extra Coarse External Thread Type, Model 309

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

                                                                                            Stainless Steel Insert Nut, Screw-in (Slotted)/IRU-S

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

                                                                                            [Clean & Pack]Self-Tapping Inserts - Slotted

                                                                                            E-Sert Fine

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

                                                                                            Recoil Packet for Spark Plugs【10 Pieces Per Package】

                                                                                            Thread Insert (Box)【100 Pieces Per Package】

                                                                                            Self Floating Fastener【1-1,000 Pieces Per Package】

                                                                                            Trade Series Recoil Kit (Milli)

                                                                                            Recoil Free (UNC) SUS304

                                                                                            Recoil-Free (UNF) SUS304

                                                                                            Lock Recoil (mm) SUS304

                                                                                            Recoil Kit with Pilot Tap

                                                                                            Tangless insert metric coarselocking

                                                                                            Tangless insert unified coarse locking

                                                                                            Tangless Insert Unified Fine

                                                                                            Sel Locking Fastener SLN (Non-Lock)【1-1,000 Pieces Per Package】

                                                                                            Sel Locking Fastener SL (Lock)【1,000 Pieces Per Package】

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

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

                                                                                            E-Sert Unified (UNC)

                                                                                            ILISERT (Unified/UNC)【100 Pieces Per Package】

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

                                                                                            Recoil-Free, Special Size

                                                                                            Recoil Kit for Spark Plugs

                                                                                            CAD
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            • 2D / 3D
                                                                                            Days to Ship 1 Day(s) or more 1 Day(s) or more 7 Day(s) or more 2 Day(s) or more 4 Day(s) or more 2 Day(s) or more 5 Day(s) or more 4 Day(s) or more 4 Day(s) or more 2 Day(s) or more 2 Day(s) or more 5 Day(s) or more 4 Day(s) or more 9 Day(s) or more 5 Day(s) or more 11 Day(s) or more 5 Day(s) or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 11 Day(s) or more 2 Day(s) or more 6 Day(s) or more 5 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 5 Day(s) or more 2 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 8 Day(s) or more 6 Day(s) or more 5 Day(s) or more 9 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
                                                                                            Screw Dia. M (after insertion)(mm)3 ~ 163 ~ 124 ~ 242.5 ~ 202 ~ 422.5 ~ 103 ~ 162 ~ 30-2 ~ 242 ~ 243 ~ 122.5 ~ 12-3 ~ 122 ~ 83 ~ 128 ~ 243 ~ 5-2.6 ~ 83 ~ 83 ~ 1210 ~ 162 ~ 20142.5 ~ 83 ~ 42 ~ 20--3 ~ 246 ~ 142.5 ~ 12--3 ~ 4410 ~ 20----3 ~ 810 ~ 18
                                                                                            Environmentally friendly----------------------RoHS Compliant (10 Substances)----------------------
                                                                                            TypeStandardSelf-TappingKey LockSelf-TappingStandardTanglessSelf-TappingStandardTanglessTanglessStandardSelf-TappingTanglessToolSelf-TappingSelf-TappingSelf-TappingStandardSelf-TappingStandardSelf-TappingStandardSelf-TappingStandardStandardStandardTanglessSwagedToolStandardStandardStandardToolTanglessTanglessTanglessSwagedSwagedStandardStandardStandardTanglessStandardStandardTool
                                                                                            Characteristics/Applications----------------------Clean Washed----------------------
                                                                                            MaterialStainless 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)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)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) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Metric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) Thread / Metric (Fine) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread-Unified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) Thread-Metric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) Thread-
                                                                                            Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 3D-1D-1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D / 0.5D-1D / 1.5D / 2D / 2.5D / 3D--1D / 1.5D / 2D / 2.5D / 3D / 0.7D / 0.8D / 3.5D-1D / 1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D1D / 1.5D / 2D-1D / 1.5D / 2D / 2.5D / 3D1D / 1.5D / 2D-1D / 1.5D / 2D--1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D-1D / 1.5D / 2D1D / 1.5D / 2D1D / 1.5D / 2D--1D / 1.5D / 2D1D / 1.5D / 2D / 2.5D / 3D1D-1.5D0.5D / 0.8D-
                                                                                            ApplicationLight MetalLight MetalLight Metal / Cast Iron / Resin General / Wood-Light MetalLight Metal-Light MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin General-Light Metal--Cast Iron-Light Metal--Cast IronLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal-Light MetalLight Metal-Light MetalLight MetalLight Metal-Light Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight MetalLight MetalLight Metal-
                                                                                            NotchProvidedNot ProvidedNot Provided-ProvidedNot Provided-Provided-Not ProvidedProvided-Not Provided / Provided--Not Provided-Provided-ProvidedNot ProvidedProvidedNot ProvidedProvidedProvided-Not ProvidedNot Provided-ProvidedProvidedProvided----Not ProvidedNot ProvidedProvidedProvidedProvidedNot ProvidedProvidedProvided-
                                                                                            Thread Dia. (After inserted), Unified(inch)--------1/4 ~ 10----------1"-8 ~ #10-24---------1"-8 ~ #12-241"-12 ~ #10-32---1/4 ~ 101/4 ~ 10---1/2-13 ~ #10-24-1/4-201/2-20 ~ #10-32--
                                                                                            Shape-Slotted-Slotted--3-Hole Type----Tip Free Type--3-Hole TypeStandardTip Free Type-StandardSlottedSlotted-Slotted----------------------
                                                                                            Sales UnitLow 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.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.)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.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Box, Pkg.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.)Low Quantity (Available beginning with 1 pc.)---Low Quantity (Available beginning with 1 pc.) / Box, Pkg.-Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.Low Quantity (Available beginning with 1 pc.)-Box, Pkg.Low Quantity (Available beginning with 1 pc.)Low Quantity (Available beginning with 1 pc.)
                                                                                            Cleaning Method----------------------Degreasing / Precision Cleaning / Electrolytic Polishing + Precision Cleaning----------------------

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