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Insert(Length L (after insertion) (D = Thread Dia. M):1D Page2)

These products are used for reinforcing female threads. These can be used with damaged female threads or soft materials to enable screws/bolts to be tightened.
In general, coil inserts that have been machined into a coil shape are very common, but we also have a wide lineup that includes "self-tapping inserts", "inserts for resin", "insert nuts", "locking inserts", etc., enabling use to suit various environments or materials.
MISUMI enables spec searches and ordering quantities from just 1 piece. Tools are also sold in addition to the inserts themselves.
[Materials]
Iron, stainless steel, brass, phosphor bronze, Inconel, nitronics
[Size]
M1.4 to M39 are available as well as imperial sizes
[Search Keywords]
Heli-Sert, E-Sert, Sprue, Female Thread

Search by specifying the lower class category

Days to Ship
  • All
  • Same day
  • 3 Day(s) or Less
  • 4 Day(s) or Less
  • 5 Day(s) or Less
  • 6 Day(s) or Less
  • 7 Day(s) or Less
  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
Brand
Product Series
CAD
Days to Ship
Screw Dia. M (after insertion)(mm)
Type
Material
Screw Type
Length L (after insertion) (D = Thread Dia. M)
Application
Notch
Thread Dia. (After inserted), Unified(inch)
Shape
Sales Unit

    Brass Ultrasert IV/HUD IV

      Sprue (Fine, P=1.25)

        Sprue (Unify) (UNF)

          Lock Sprue

            E-Sert Fine

              E-Sert Unified (UNC)

                Recoil Packet (METRIC)

                  Tangless insert unified coarse locking

                    Tangless insert unified fine locking

                      Stainless Steel Sprue (Other, Fine)

                        Stainless Steel Sprue (Unify) (UNC)

                          Stainless Steel Sprue (Unify) (UNF)

                            Stainless Steel Recoil

                              Stainless Steel E-Sert Hemlock-Made

                                Stainless Steel E-Sert (Unify) (UNC)

                                  Screw Reinforcement Tangless Insert

                                    Male Screw Repair Coil Thread -R

                                      E-Sert (Other Fine)

                                        Lock E-Sert

                                          Lock E-Sert (Other Meshes)

                                            Lock Type Sprew

                                              Brass Insert Nut (Screw-In Type) IRB-W/-CW

                                                Aluminum Insert Nut (Screw-In Type) IRL-B/IRL-K

                                                  Aluminum Insert Nut (Screw-In Type / Coated With Loosening Prevention Agent) IRL-BW/-KW

                                                    Tangless Insert Unified Fine

                                                    Brand

                                                    HIROSUGI-KEIKI

                                                    NIPPON SPREW

                                                    NIPPON SPREW

                                                    NIPPON SPREW

                                                    TSUGAMI

                                                    TSUGAMI

                                                    RECOIL

                                                    ACCURATE

                                                    ACCURATE

                                                    SUNCO

                                                    SUNCO

                                                    SUNCO

                                                    SUNCO

                                                    SUNCO

                                                    SUNCO

                                                    KS SANGYO

                                                    KS SANGYO

                                                    SUNCO

                                                    SUNCO

                                                    SUNCO

                                                    SUNCO

                                                    HIROSUGI-KEIKI

                                                    HIROSUGI-KEIKI

                                                    HIROSUGI-KEIKI

                                                    ACCURATE

                                                    Product Series

                                                    Brass Ultrasert IV/HUD IV

                                                    Sprue (Fine, P=1.25)

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

                                                    Lock Sprue

                                                    E-Sert Fine

                                                    E-Sert Unified (UNC)

                                                    Recoil Packet (METRIC)【10 Pieces Per Package】

                                                    Tangless insert unified coarse locking

                                                    Tangless insert unified fine locking

                                                    Stainless Steel Sprue (Other, Fine)

                                                    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 Hemlock-Made【1-100 Pieces Per Package】

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

                                                    Screw Reinforcement Tangless Insert【10-20 Pieces Per Package】

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

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

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

                                                    Lock E-Sert (Other Meshes)【100 Pieces Per Package】

                                                    Lock Type Sprew【1-100 Pieces Per Package】

                                                    Brass Insert Nut (Screw-In Type) IRB-W/-CW

                                                    Aluminum Insert Nut (Screw-In Type) IRL-B/IRL-K

                                                    Aluminum Insert Nut (Screw-In Type / Coated With Loosening Prevention Agent) IRL-BW/-KW

                                                    Tangless Insert Unified Fine

                                                    CAD
                                                    Days to Ship 11 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 8 Day(s) or more 8 Day(s) or more 4 Day(s) or more 11 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 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 6 Day(s) or more
                                                    Screw Dia. M (after insertion)(mm)3 ~ 1010 ~ 20-1010 ~ 16-2--24--2 ~ 167 ~ 30-2 ~ 123 ~ 610 ~ 303 ~ 16102.5 ~ 202.6 ~ 82 ~ 82.6 ~ 8-
                                                    TypePress FitStandardStandardStandardStandardStandardStandardTanglessTanglessStandardStandardStandardStandardStandardStandardTanglessStandardStandardStandardStandardStandardSelf-TappingSelf-TappingSelf-TappingTangless
                                                    MaterialBrassStainless 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)BrassAluminumAluminumStainless Steel (SUS303/304)
                                                    Screw TypeMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Fine) ThreadUnified (Coarse) ThreadUnified (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Fine) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadUnified (Fine) Thread
                                                    Length L (after insertion) (D = Thread Dia. M)1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D1D
                                                    ApplicationLight MetalLight MetalLight MetalLight MetalLight Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin General-Light Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin General------Light Metal / Cast Iron / Resin GeneralLight Metal / Cast Iron / Resin General----Light MetalLight MetalLight MetalLight Metal / Cast Iron / Resin General
                                                    NotchNot ProvidedProvidedProvidedProvidedProvidedProvided---ProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedProvidedNot ProvidedNot ProvidedNot Provided-
                                                    Thread Dia. (After inserted), Unified(inch)--1/4-28 ~ #10-32----1/4 ~ 101/4 ~ 10-#2-563/8-24--1"-8 ~ #10-24---------1/4 ~ 10
                                                    ShapeStandard--------StandardStandardStandardStandardStandardSlottedStandardStandard----StandardStandardStandard-
                                                    Sales UnitBox, 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.)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.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.Box, Pkg.Box, Pkg.Box, Pkg.-

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