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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

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

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

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

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

            Stainless Steel/Insert Nut Threaded Type / IRU

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

                Brass Dutch Insert (Standard) / HSD

                  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

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

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

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

                            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

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

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

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

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

                            Stainless Steel/Insert Nut Threaded Type / IRU

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

                            Brass Dutch Insert (Standard) / HSD

                            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

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

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

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

                            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)332 ~ 33333 ~ 4333332 ~ 3
                            Environmentally friendly-------------
                            TypeSelf-TappingSelf-TappingPress FitSelf-TappingSelf-TappingSelf-TappingPress FitSelf-TappingSelf-TappingSelf-TappingSelf-TappingSelf-TappingPress Fit
                            Characteristics/Applications-------------
                            MaterialStainless Steel (SUS303/304)BrassBrassBrassStainless Steel (SUS303/304)Stainless Steel (SUS303/304)BrassBrassStainless Steel (SUS303/304)AluminumAluminumBrassBrass
                            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
                            ApplicationCast IronLight MetalLight MetalLight MetalCast IronCast IronLight MetalLight MetalCast IronLight MetalLight MetalLight MetalLight Metal
                            NotchNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided
                            Thread Dia. (After inserted), Unified(inch)-------------
                            ShapeSlottedStandardStandardSlottedStandardSlottedStandardStandardStandardStandardStandardSlottedStandard
                            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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