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Insert(Length L (after insertion) (D = Thread Dia. M):1.5D)

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.
...Readmore

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  ▲ Close

Search by specifying the lower class category

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  • 8 Day(s) or Less
  • 9 Day(s) or Less
  • 10 Day(s) or Less
  • 11 Day(s) or Less
    • On Sale Till 31/03/2025

    Thread Inserts

    Thread Inserts

    MISUMI

    [Specification expansion] In response to many requests, a new standard product is now available! *Please see the specification table or model number list for applicable products. [Handling Standards] Coarse M diameter: 2, 2.2, 2.5, 2.6, 3, 3.5, 4, 5, 6, 8, 10, 12, 14, 16, 18, Fine M diameter: 6, 8, 10, 12, 14, 16, 18You can purchase from 1 piece! Application: Strengthens the female thread of the base. Features: Durable screw connection. You ...Readmore

    • Volume Discount
    CAD :
    2D / 3D
    Standard Price: SGD 1.39-
    Special Price
    Days to Ship: Same day or more
    • On Sale Till 31/03/2025

    Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)

    Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)【1-3,000 Pieces Per Package】

    TOKAI METAL INDUSTRY

    A general-purpose well-balanced screw insert with low cost.[Features]・ At the time of press-fit, the product has direction.・ An insert nut that is well balanced in all aspects including easy use, holding power, cost, etc.

    • Volume Discount
    Standard Price: SGD 0.19-
    Special Price
    Days to Ship: Same day or more
  • Ultrasert UD2 / UD4 (Brass Cadmium-Free)

    Ultrasert UD2 / UD4 (Brass Cadmium-Free)【1-600 Pieces Per Package】

    TOKAI METAL INDUSTRY

    These inserts are the best choice for easy and secure fitment into plastic holes.

    Standard Price: SGD 0.42-
    Days to Ship: Same day or more
  • Recoil-Free (mm) SUS304

    Recoil-Free (mm) SUS304

    RECOIL

    Made from regular 304 grade stainless steel (18–8), but inserts made from other application-specific materials are also manufactured.

    Standard Price: SGD 1.26-
    Days to Ship: 4 Day(s) or more
  • Nitronic 60 Insert

    Nitronic 60 Insert

    RECOIL

    Insert to prevent screw galling (seizing). No lubricating oil required. (Helisert and sprue).

    Days to Ship: 4 Day(s) or more
  • Stainless Steel Insert Nut, Screw-in (Slotted)/IRU-S

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

    HIROSUGI-KEIKI

    [Nominal of Thread (M)] 2.6/3/4/5/6/8[Material] Free-Cutting Stainless Steel (SUS303)[Processing] Degreasing

    Standard Price: SGD 1.12-
    Days to Ship: 11 Day(s) or more
  • Brass Insert Nut (Screw-In Type / Slotted) IRB-S/IRB-SC

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

    HIROSUGI-KEIKI

    [Nominal designation of thread (M)] 2.6/3/4/5/6/8[Material] Free-cutting brass (C3604BD), cadmium content less than 75 ppm[Treatment] Nickel plating (Ni)/degreasing

    Standard Price: SGD 0.67-
    Days to Ship: 11 Day(s) or more
    • On Sale Till 31/03/2025

    Thread Inserts/Tangless

    Thread Inserts/Tangless

    MISUMI

    There is no need to break the tongue after insertion, making the insertion process easy[Specification expansion] In response to many requests, a new standard product has been released! *Please see the specification list or catalog PDF for applicable products.

    • Volume Discount
    CAD :
    2D / 3D
    Standard Price: SGD 2.53-
    Special Price
    Days to Ship: Same day or more
  • Dodge Bit Insert Flange Type  (Brass Cadmium-Free)

    Dodge Bit Insert Flange Type (Brass Cadmium-Free)

    TOKAI METAL INDUSTRY

    General purpose type. Low cost and well balanced.

    Standard Price: SGD 0.27-
    Days to Ship: Same day or more
  • Stainless Steel/Insert Nut Threaded Type / IRU

    Stainless Steel/Insert Nut Threaded Type / IRU

    HIROSUGI-KEIKI

    [Nominal of Thread (M)] 2/2.5/2.6/3/4/5/6/8[Material] Free-Cutting Stainless Steel (SUS303)[Processing] Degreasing

    Standard Price: SGD 0.84-
    Days to Ship: 11 Day(s) or more
  • Brass Bit Insert (Standard Model / Single-Sided Type) HSB

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

    HIROSUGI-KEIKI

    [Nominal of Thread (M)] 1.4/1.6/1.7/2/2.6/3/4/5[Material] Brass (C3604BD), Cadmium Content Less than 75 ppm[Processing] Degreasing

    Standard Price: SGD 0.33-
    Days to Ship: 4 Day(s) or more
  • Techlock (SL)

    Techlock (SL)【1-5,000 Pieces Per Package】

    JAPAN DRIVEIT

    [Type] Press Fit [Materials] Brass [Screw type] Metric (coarse) screw, without notch [Shape] Standard Screw Diameter (after insertion) M (mm): 2 2.5 2.6 3 3.5 4 5 6 8 10 Length (after insertion)[L](D = Screw Diameter M) 1 D 1.5 D 2 D 2.5 D [Length]B (mm) 3.0 3.9 4.0 4.9 5.0 5.8

    Standard Price: SGD 0.48-
    Days to Ship: 4 Day(s) or more
  • E-Certs

    E-Certs

    TSUGAMI

    Old 'Heli-Coils Inserted'. The screws of the main body are reinforced, ensuring a highly durable fastening.

    Standard Price: SGD 0.90-
    Days to Ship: Same day or more
  • DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)

    DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【1-10,000 Pieces Per Package】

    TOKAI METAL INDUSTRY

    General purpose type. Low cost and well balanced.

    Standard Price: SGD 0.27-
    Days to Ship: 4 Day(s) or more
    • On Sale Till 31/03/2025

    Tangless Insert Metric Coarse

    Tangless Insert Metric Coarse【1-50 Pieces Per Package】

    ACCURATE

    An insert with no tang that does not require folding to remove. A product that eliminates the time and cost required to perform the insertion operation that would otherwise be needed when tangs are present.

    CAD :
    2D / 3D
    Standard Price: SGD 0.54-
    Special Price
    Days to Ship: Same day or more
  • Sprue

    Sprue【1-100 Pieces Per Package】

    NIPPON SPREW

    Screw reinforcement made from a coiled, rhombic section stainless steel wire. Highly reliable fastening is achieved through ingenious use of spring action.

    • Volume Discount
    Standard Price: SGD 0.55-
    Days to Ship: 4 Day(s) or more
  • Recoil-Free (UNF) SUS304

    Recoil-Free (UNF) SUS304

    RECOIL

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

    Days to Ship: 4 Day(s) or more
    • On Sale Till 31/03/2025

    Heat-Lok (HL Type)

    Heat-Lok (HL Type)【1,000 Pieces Per Package】

    JAPAN DRIVEIT

    · Type: Press fit use· Application: Resin, general · Material: Brass · Thread ridge type: Metric coarse screw, without notch · Shape: Standard · Diameter (following insertion): M3, M3.5, M4, M5, M6· Length following insertion (D = screw diameter M): 1.5D, 2D · Length (mm): 4.0, 5.8, 7.2, 8.2, 9.5, 12.7

    Standard Price: SGD 375.06
    Special Price
    Days to Ship: 4 Day(s) or more
    • On Sale Till 31/03/2025

    Thread Insert (Box)

    Thread Insert (Box)【100 Pieces Per Package】

    MISUMI

    For in-house inventory or for a large number of uses, purchasing by the carton is advantageous.

    CAD :
    2D / 3D
    Standard Price: SGD 62.33-
    Special Price
    Days to Ship: Same day or more
  • Insert, Inconel X-750

    Insert, Inconel X-750

    RECOIL

    The color of the main body will become silver when the method of heat treatment changes.Not plated. (Inconel Black Recoil)An insert (Helisert/Sprue) for use at high temperatures (425–550°C) and with non-magnetic applications.[Features]· Nickel alloy.· For use at high temperatures (425–550°C [800–1,000°F]) and with non-magnetic applications.

    Standard Price: SGD 21.37-
    Days to Ship: 4 Day(s) or more
  • Stainless Steel Insert Nut, Screw-in (Thread Locker / Slotted) / IRU-SW

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

    HIROSUGI-KEIKI

    [Nominal of Thread (M)] 2.6/3/4/5/6/8[Material] Free-Cutting Stainless Steel (SUS303)[Processing] Degreasing

    Standard Price: SGD 1.80-
    Days to Ship: 11 Day(s) or more
  • Recoil Packet (Milli)

    Recoil Packet (Milli)【5-10 Pieces Per Package】

    RECOIL

    [Type] Threaded Insert Use[Application] Light Metal [Materials] SUS304 with Notch[Application] Light Metal [Screw type] Coarse/Fine Screw Diameter (after insertion) 2 2.2 2.5 3 3.5 4 5 6 7 8 9 10 11 12 14 16 18 20 Length (after insertion)[L](D = screw diameter M) 1D 1.5D 2D [Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg. [Pitch (mm)] 0.4 0.45 0.5 0.6 0.7 0.8 1.0 1.25 1.5 1.75 2.0 2.5 Usage Environment: ...Readmore

    Standard Price: SGD 6.47-
    Days to Ship: 4 Day(s) or more
  • Recoil Packet (UNF)

    Recoil Packet (UNF)【10 Pieces Per Package】

    RECOIL

    *Unfortunately, only lengths of 1.5D are available.[Features]• Recoil created by winding high quality stainless steel wire with a rhomboid cross section into a spring shape• Insert is made one turn larger than the base material hole, and has a mild taper• Once installed, the spring action makes it an almost permanent fixture that cannot be extracted.

    Days to Ship: 4 Day(s) or more
  • Insert SUS316

    Insert SUS316

    RECOIL

    An insert for corrosion resistance and non-magnetic applications (Helisert and sprue).

    • Volume Discount
    Standard Price: SGD 0.90-
    Days to Ship: 4 Day(s) or more
  • Tangless Insert (SUS304)

    Tangless Insert (SUS304)

    RECOIL

    [Features]·The stress is dispersed throughout the entire engagement length, does not incur screw thread breaks, has increased holding power or tensile strength, and has greater fastening power than the original screw.·Dedicated tools enable the insertion and extraction without tangs.·Extraction will not damage the male threads nor the product.·You don't have to tear off the tang, look for the broken tang, or check the gauge.

    Standard Price: SGD 0.88-
    Days to Ship: 4 Day(s) or more
  • Flat Head Sonic Lock (Type SHK)

    Flat Head Sonic Lock (Type SHK)

    JAPAN DRIVEIT

    [Type] Press Fit [Materials] Brass [Screw type] Metric (coarse) screw, without notch [Shape] Standard, Screw Diameter (following insertion) M (mm), 2, 3, 4, 5, 6, 8, Length (following insertion)[L](D = screw diameter M) 1.5D 2D

    Standard Price: SGD 1.90
    Days to Ship: 4 Day(s) or more
  • Brass Insert Nut (Screw-In Type) IRB/IRB-C

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

    HIROSUGI-KEIKI

    [Nominal designation of thread (M)] 2/2.5/2.6/3/4/5/6/8[Material] Free-cutting brass (C3604BD), cadmium content less than 75 ppm[Treatment] Nickel plating (Ni)/degreasing

    Standard Price: SGD 0.54-
    Days to Ship: 11 Day(s) or more
  • Brass Insert Nut (Screw-In Type / Slotted) IRB-SW/-SCW

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

    HIROSUGI-KEIKI

    [Nominal designation of thread (M)] 2.6/3/4/5/6/8[Material] Free-cutting brass (C3604BD), cadmium content less than 75 ppm[Treatment] Nickel plating (Ni)/degreasing

    Standard Price: SGD 1.02-
    Days to Ship: 11 Day(s) or more
  • Brass Bit Insert (Flange Type) / HFB

    Brass Bit Insert (Flange Type) / HFB

    HIROSUGI-KEIKI

    [Nominal of Thread (M)] 2/2.6/3/4/5[Material] Brass (C3604BD), Cadmium Content Less than 75 ppm[Processing] Degreasing

    Standard Price: SGD 0.45-
    Days to Ship: 4 Day(s) or more
  • Tangless Insert Unified Coarse

    Tangless Insert Unified Coarse

    ACCURATE

    Unified size tangless insert that reduces the number of work steps and greatly reduces working cost compared to inserts with a tang.

    Standard Price: SGD 0.76-
    Days to Ship: 9 Day(s) or more
  • Sprue (Unify) (UNF)

    Sprue (Unify) (UNF)【10-100 Pieces Per Package】

    NIPPON SPREW

    Screw reinforcer featuring a coiled, diamond-shaped stainless steel thread. Can achieve high-reliability tightening by effective use of the the springback.

    Standard Price: SGD 15.53-
    Days to Ship: 4 Day(s) or more
  • Dodge Bit Insert Standard SD (Brass Cadmium-Less)

    Dodge Bit Insert Standard SD (Brass Cadmium-Less)

    TOKAI METAL INDUSTRY

    Because it is an extension method, it can be used during press fitting insertion after molding with the thinnest possible wall thickness.

    Standard Price: SGD 0.53-
    Days to Ship: 4 Day(s) or more
  • Tangless insert metric coarselocking

    Tangless insert metric coarselocking

    ACCURATE

    A tangless insert with a function that prevents loosening. The center of this material is hexagonal shaped to prevent loosening.

    Standard Price: SGD 0.80-
    Days to Ship: 4 Day(s) or more
  • Screw Reinforcement Tangless Insert

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

    KS SANGYO

    Tangless insert screw.[Features]· This tangless insert drastically cuts down on work procedures and time, which increases work efficiency, making it possible to reduce costs.· Insert work, which took 56 seconds in the past, was drastically shortened to 7 seconds by using a dedicated power tool.· Tangless design means no tangs to break off and no concerns for missing pitches or damaging the base material.[Applications]· For reinforc...Readmore

    Standard Price: SGD 24.56
    Days to Ship: 7 Day(s) or more
  • Brass Ultrasert IV/HUD IV

    Brass Ultrasert IV/HUD IV

    HIROSUGI-KEIKI

    [Nominal of Thread (M)] 2/2.6/3/4/5/6/8/10[Material] Brass (C3604BD), Cadmium Content Less than 75 ppm[Processing] Degreasing

    Standard Price: SGD 0.39-
    Days to Ship: 11 Day(s) or more
  • Sparrow (Type SP)

    Sparrow (Type SP)

    JAPAN DRIVEIT

    [Type] Press Fit Use[Application] Resin: General [Materials] Brass [Screw type] Metric (coarse) screw, without notch [Shape] Standard, Screw Diameter (following insertion) M (mm), 2, 2.5, 3, 3.5, 4, 5, 6, Length (following insertion)[L](D = screw diameter M) 1D 1.5D 2D [Length] B (mm) 4.1 5.3 6.2 7.4 8.3 9.2

    Standard Price: SGD 1.65-
    Days to Ship: 4 Day(s) or more
  • Fin-Lok (FL Type)

    Fin-Lok (FL Type)

    JAPAN DRIVEIT

    [Type] Press Fit [Materials] Brass [Screw type] Metric (coarse) screw, without notch [Shape] Standard, Screw Diameter (following insertion) M (mm), 3 4, Length (following insertion)[L](D = screw diameter M) 1.5D 2D [Length] B (mm) 4.8 8.0

    Standard Price: SGD 0.61
    Days to Ship: 4 Day(s) or more
  • Tangless insert unified coarse locking

    Tangless insert unified coarse locking

    ACCURATE

    A tangless insert with a function that prevents loosening. The center of this material is hexagonal shaped to prevent loosening.

    Standard Price: SGD 0.84-
    Days to Ship: 8 Day(s) or more
  • Tangless insert unified fine locking

    Tangless insert unified fine locking

    ACCURATE

    A tangless insert with a function that prevents loosening. The center of this material is hexagonal shaped to prevent loosening.

    Standard Price: SGD 0.86-
    Days to Ship: 8 Day(s) or more
  • Tangless insert metric coarsetaping packaging

    Tangless insert metric coarsetaping packaging

    ACCURATE

    We prevent incorrect quantities by shipping using tape and packaging. Aims to improve efficiency through using electric tools in combination.

    Standard Price: SGD 0.84-
    Days to Ship: 8 Day(s) or more
  • Coil Thread R

    Coil Thread R

    ACCURATE

    · Can easily be taken out with the included tang. Fine adjustment of depth is possible even after insertion.· Newly-developed insertion tool reduces mistakes and increases speed of work.

    Standard Price: SGD 1.10-
    Days to Ship: 8 Day(s) or more
  • Thread Insert (Box)

    Thread Insert (Box)【100 Pieces Per Package】

    MISUMI

    For in-house inventory or for a large number of uses, purchasing by the carton is advantageous.

    CAD :
    2D / 3D
    Standard Price: SGD 89.28-
    Days to Ship: 4 Day(s) or more
  • 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.

    Standard Price: SGD 1.46-
    Days to Ship: 4 Day(s) or more
  • Ultrasert 4 FUIV, Flange Type (Brass, Cadmium-Free)

    Ultrasert 4 FUIV, Flange Type (Brass, Cadmium-Free)【1,000 Pieces Per Package】

    TOKAI METAL INDUSTRY

    Offers the strongest tension and other strengths over other inserts.

    Standard Price: SGD 792.68
    Days to Ship: 4 Day(s) or more
  • Dodge Insert Flange Type (Brass Cadmium-Less)

    Dodge Insert Flange Type (Brass Cadmium-Less)

    TOKAI METAL INDUSTRY

    Because it is an extension method, it can be used during press fitting insertion after molding with the thinnest possible wall thickness.

    Standard Price: SGD 0.77-
    Days to Ship: 4 Day(s) or more

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