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Insert(Length L (after insertion) (D = Thread Dia. M):3.5D)

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
  • 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
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Brand
Product Series
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

    Brass Bit Insert (Standard, Double-sided) HSB-Z

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

        Brass Bit Insert (Standard Model / Single-Sided Type) HSB

          Stainless Steel/Insert Nut Threaded Type / IRU

            Brass Dutch Insert (Standard) / HSD

              Brass Insert Nut (Screw-In Type) IRB/IRB-C

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

                  Stainless Steel/Aluminum Insert Nut Threaded Type (Loosening Prevention) / IRU-W

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

                      Brass Insert Nut (Screw-In Type / Slotted) IRB-S/IRB-SC

                        Brass Insert Nut (Screw-In Type / Slotted) IRB-SW/-SCW

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

                            Stainless Steel Insert Nut, Screw-in (Thread Locker / Slotted) / IRU-SW

                            Brand

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            HIROSUGI-KEIKI

                            Product Series

                            Brass Bit Insert (Standard, Double-sided) HSB-Z

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

                            Brass Bit Insert (Standard Model / Single-Sided Type) HSB

                            Stainless Steel/Insert Nut Threaded Type / IRU

                            Brass Dutch Insert (Standard) / HSD

                            Brass Insert Nut (Screw-In Type) IRB/IRB-C

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

                            Stainless Steel/Aluminum Insert Nut Threaded Type (Loosening Prevention) / IRU-W

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

                            Brass Insert Nut (Screw-In Type / Slotted) IRB-S/IRB-SC

                            Brass Insert Nut (Screw-In Type / Slotted) IRB-SW/-SCW

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

                            Stainless Steel Insert Nut, Screw-in (Thread Locker / Slotted) / IRU-SW

                            Days to Ship 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more 11 Day(s) or more
                            Screw Dia. M (after insertion)(mm)2 ~ 332 ~ 333 ~ 433333333
                            Environmentally friendly-------------
                            TypePress FitSelf-TappingPress FitSelf-TappingPress FitSelf-TappingSelf-TappingSelf-TappingSelf-TappingSelf-TappingSelf-TappingSelf-TappingSelf-Tapping
                            Characteristics/Applications-------------
                            MaterialBrassStainless Steel (SUS303/304)BrassStainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)AluminumBrassBrassAluminumStainless Steel (SUS303/304)
                            Screw TypeMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) ThreadMetric (Coarse) Thread
                            Length L (after insertion) (D = Thread Dia. M)3.5D3.5D3.5D3.5D3.5D3.5D3.5D3.5D3.5D3.5D3.5D3.5D3.5D
                            ApplicationLight MetalCast IronLight MetalCast IronLight MetalLight MetalLight MetalCast IronLight MetalLight MetalLight MetalLight MetalCast Iron
                            NotchNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided
                            Thread Dia. (After inserted), Unified(inch)-------------
                            ShapeStandardSlottedStandardStandardStandardStandardStandardStandardStandardSlottedSlottedStandardSlotted
                            Sales UnitBox, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.Box, Pkg.
                            Cleaning Method-------------

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