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Insert(Thread Dia. (After inserted), Unified:#4-40)

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
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Brand
Product Series
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

    Sprue (Unified) (UNC)

      Sprue Tongue Creasing Tool

        Screw Insertion Tool INP UNC

          Recoil Free (UNC) SUS304

            Stainless Steel E-Sert (Unify) (UNC)

              E-Sert Bending and Extracting Tool for M Threads

                E-Sert Spiral Tap

                Brand

                NIPPON SPREW

                SUNCO

                SUNCO

                RECOIL

                SUNCO

                SUNCO

                SUNCO

                Product Series

                Sprue (Unified) (UNC)【1-10 Pieces Per Package】

                Sprue Tongue Creasing Tool

                Screw Insertion Tool INP UNC

                Recoil Free (UNC) SUS304

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

                E-Sert Bending and Extracting Tool for M Threads

                E-Sert Spiral Tap

                Days to Ship 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 4 Day(s) or more 4 Day(s) or more 7 Day(s) or more 7 Day(s) or more
                Screw Dia. M (after insertion)(mm)-------
                TypeStandardToolToolStandardStandardToolTool
                MaterialStainless Steel (SUS303/304)--Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)--
                Screw TypeUnified (Coarse) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadBSW (Coarse) ThreadUnified (Coarse) Thread
                Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D / 2.5D / 3D--1.5D / 2D1D / 1.5D / 2D--
                ApplicationLight Metal--Light Metal---
                NotchProvided--ProvidedProvided--
                Thread Dia. (After inserted), Unified(inch)#4-40#4-40#4-40#4-40#4-40#4-40#4-40
                Shape----Slotted--
                Sales UnitLow 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.)

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