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Insert(Thread Dia. (After inserted), Unified:1/4-20)

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

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  • You can add up to 6 items per a category to the compare list.

    Recoil Free (UNC) SUS304

    Recoil Free (UNC) SUS304

    RECOIL

    The material is normal stainless steel 304 (18–8), but the material has been manufactured with other materials added for special applications.

    From: ₹ 115.00
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    ILISERT (Unified/UNC)

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

    HIROSUGI SEIKI

    Has no pitch jump unlike normal inserts, and will not deform even when the bolt is detached.

    From: ₹ 228.00
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Recoil Packet (UNC)

    Recoil Packet (UNC)【10 Pieces Per Package】

    RECOIL

    *Unfortunately, only lengths of 1.5D are available.

    From: ₹ 57.40
    Days to Ship: 8 Day(s) or more
    day to ship 8 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Sprue (Unified) (UNC)

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

    NIPPON SPREW

    Screw reinforcer featuring coiling of a diamond shaped stainless steel thread. Can achieve high-reliability tightening by using the springback skillfully.

    From: ₹ 54.34
    Days to Ship: 5 Day(s) or more
    day to ship 5 Day(s) or more
Brand
Product Series
From
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

    You can add up to 6 items per a category to the compare list.

    Recoil Free (UNC) SUS304

        You can add up to 6 items per a category to the compare list.

        ILISERT (Unified/UNC)

            You can add up to 6 items per a category to the compare list.

            Recoil Packet (UNC)

                You can add up to 6 items per a category to the compare list.

                Sprue (Unified) (UNC)
                  Brand

                  RECOIL

                  HIROSUGI SEIKI

                  RECOIL

                  NIPPON SPREW

                  Product Series

                  Recoil Free (UNC) SUS304

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

                  Recoil Packet (UNC)【10 Pieces Per Package】

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

                  From

                  ₹ 115.00

                  ₹ 22,800.00

                  ₹ 574.00

                  ₹ 87.20

                  Days to Ship 5 Day(s) or more 5 Day(s) or more 8 Day(s) or more 5 Day(s) or more
                  Screw Dia. M (after insertion)(mm)----
                  TypeStandardTanglessStandardStandard
                  MaterialStainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)Stainless Steel (SUS303/304)
                  Screw TypeUnified (Coarse) ThreadUnified (Coarse) ThreadUnified (Coarse) ThreadUnified (Coarse) Thread
                  Length L (after insertion) (D = Thread Dia. M)1D / 1.5D / 2D-1.5D1D / 1.5D / 2D / 2.5D / 3D
                  ApplicationLight MetalLight MetalLight MetalLight Metal
                  NotchProvidedNot ProvidedProvidedProvided
                  Thread Dia. (After inserted), Unified(inch)1/4-201/4-201/4-201/4-20
                  Shape----
                  Sales UnitLow Quantity (Available beginning with 1 pc.)-Box, Pkg.Low Quantity (Available beginning with 1 pc.) / Box, Pkg.

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                  1. 1

                  Related Categories to Insert