(!)Due to Microsoft's end of support for Internet Explorer 11 on 15/06/2022, this site does not support the recommended environment.
Instead, please kindly use other browsers like Google Chrome, Microsoft Edge or Mozilla Firefox.

7 Million Products, 2,000 Brands.
50,000 Stock items for Same Day Ship Out.

All Categories

Search by Application

inCAD Library

Brands

Brand List

Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.
Please be informed of our operating hours during the Hari Raya Puasa Holidays. Click here for details.

How can we improve?

How can we improve?

Feedback

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

Thank you for your time.
Your feedback is essential for our continuous improvement
Privacy Policy

Thank you for your cooperation.

Thank you for your time.
Your feedback is essential for our continuous improvement
Please use the inquiry form.

Privacy Policy

Insert（Length L (after insertion) (D = Thread Dia. M)：3D）

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

32 items

: 30; 45; 60

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

On Sale Till 31/03/2025

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 2.36
	Special Price
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

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

Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)【1-4,000 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 0.26-
	Special Price
Days to Ship:	4 Day(s) or more

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 1.45-
Days to Ship:	4 Day(s) or more

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 1.52
Days to Ship:	11 Day(s) or more

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 0.87-
Days to Ship:	11 Day(s) or more

Dodge Bit Insert Flange Type (Brass Cadmium-Free)

TOKAI METAL INDUSTRY

General purpose type. Low cost and well balanced.

Standard Price:	SGD 0.41
Days to Ship:	4 Day(s) or more

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 0.91
Days to Ship:	11 Day(s) or more

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:	11 Day(s) or more

E-Certs

TSUGAMI

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

Standard Price:	SGD 1.19-
Days to Ship:	4 Day(s) or more

DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)

DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【800-4,000 Pieces Per Package】

TOKAI METAL INDUSTRY

General purpose type. Low cost and well balanced.

Standard Price:	SGD 234.41-
Days to Ship:	4 Day(s) 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 0.93-
Days to Ship:	4 Day(s) or more

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 1.95
Days to Ship:	11 Day(s) or more

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 1.34-
Days to Ship:	4 Day(s) or more

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 0.61-
Days to Ship:	11 Day(s) or more

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 1.29-
Days to Ship:	11 Day(s) or more

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 0.54
Days to Ship:	11 Day(s) or more

Sprue (Unify) (UNF)

Sprue (Unify) (UNF)【10 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 13.18-
Days to Ship:	11 Day(s) or more

Dodge Bit Insert Standard SD (Brass Cadmium-Less)

Dodge Bit Insert Standard SD (Brass Cadmium-Less)【1-800 Pieces Per Package】

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 0.60-
Days to Ship:	4 Day(s) or more

Sprue (Unified) (UNC)

Sprue (Unified) (UNC)【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 106.10-
Days to Ship:	4 Day(s) or more

Stainless Steel Recoil

Stainless Steel Recoil【100 Pieces Per Package】

SUNCO

[Nominal M] 2, 2.5, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24[Material] Stainless Steel[Surface Processing] Bare

Standard Price:	SGD 116.00
Days to Ship:	4 Day(s) or more

Stainless Steel E-Sert (Unify) (UNC)

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

SUNCO

[Nominal][Material] Stainless Steel[Surface Processing] Bare

Standard Price:	SGD 187.11-
Days to Ship:	4 Day(s) or more

Lock Type Sprew

Lock Type Sprew【100 Pieces Per Package】

SUNCO

[Material] Stainless steel[Thread size M] 2.5, 2.6, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24

Standard Price:	SGD 125.37
Days to Ship:	4 Day(s) or more

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

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 1.10-
Days to Ship:	11 Day(s) or more

Brass Dutch Insert (Standard) / HSD

HIROSUGI-KEIKI

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

Standard Price:	SGD 0.73-
Days to Ship:	11 Day(s) or more

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

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 0.35-
Days to Ship:	11 Day(s) or more

Lock Sprue

Lock Sprue【100 Pieces Per Package】

NIPPON SPREW

This SPREW has enhanced locking characteristics. The central portion of the SPREW coil is formed from several windings of angular grips. The spring action of the grips keeps male screws firmly tightened, and prevents looseness caused by strong impacts or shocks.

Standard Price:	SGD 136.79
Days to Ship:	4 Day(s) or more

E-Sert Fine

TSUGAMI

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

Standard Price:	SGD 2.64
Days to Ship:	4 Day(s) or more

Stainless Steel E-Sert Hemlock-Made

Stainless Steel E-Sert Hemlock-Made【50-100 Pieces Per Package】

SUNCO

[Nominal M] 2, 2.2, 2.5, 2.6, 7, 14, 16, 18, 20, 22, 24, 27, 30, 33, 36, 39, 42[Material] Stainless Steel[Surface Processing] Bare

Standard Price:	SGD 94.49-
Days to Ship:	4 Day(s) or more

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

HIROSUGI-KEIKI

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

Standard Price:	SGD 1.50
Days to Ship:	11 Day(s) or more

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

HIROSUGI-KEIKI

[Nominal designation of thread (M)] 2/2.5/2.6/3/4/5/6/8[Material] Lead-free free-cutting aluminum (KS26), lead content 300 ppm or less[Treatment] Black anodized (BAL)/Kanigen plating

Standard Price:	SGD 0.80-
Days to Ship:	11 Day(s) or more

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

HIROSUGI-KEIKI

[Nominal designation of thread (M)] 2.6/3/4/5/6/8[Material] Lead-free free-cutting aluminum (KS26), lead content 300 ppm or less[Treatment] Black anodized (BAL)/Kanigen plating

Standard Price:	SGD 1.22-
Days to Ship:	11 Day(s) or more

Nylon Nut Insert / NNI

HIROSUGI-KEIKI

[Nominal of Thread (M)] 2.5/3/4/5/6/8Main Body[Material] Nylon 66[Color] Milky White[Heat Warping Temperature] 1.82 MPa: 75°C[UL Standard] UL94V-2 (Materials)Screw Part[Material] Aluminum (A2011 Equivalent)[Processing] Degreasing

Standard Price:	SGD 0.42-
Days to Ship:	11 Day(s) or more


Brand
Product Series
CAD
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


Brand
Product Series

Configure

Specification/Dimensions

Screw Dia. M (after insertion)(mm)
1

1.4

1.6

1.7

2

2.2

2.5

2.6

3

3.5

4

5

6

6a

7

8

9

10

11

12

14

15

16

18

20

22

24

27

30

33

36

39

42
Drawing

Clear

Environmentally friendly
- RoHS Compliant (10 Substances)
Clear

Type
- Standard
- Tangless
- Self-Tapping
- Tool
- Swaged
- Press Fit
Images

Clear

Characteristics/Applications
Clean Washed
Details

Clear

Material
- Steel
- Stainless Steel (SUS303/304)
- Stainless Steel (SUS316)
- Stainless Steel (SUS430F)
- Brass
- Phosphor Bronze
- Inconel X-750
- Nitrox 60
- Aluminum
- Nylon
Clear

Screw Type
- Metric (Coarse) Thread
- Metric (Fine) Thread
- Unified (Coarse) Thread
- Unified (Fine) Thread
- BSW (Coarse) Thread
Clear

Length L (after insertion) (D = Thread Dia. M)
- 1D
- 1.5D
- 2D
- 2.5D
- 3D
- 0.5D
- 0.7D
- 0.8D
- 3.5D
- 4D
Drawing

Clear

Application
- Light Metal
- Cast Iron
- Resin General
Clear

Notch
- Not Provided
- Provided
Clear

Thread Dia. (After inserted), Unified(inch)
1"-12

1"-8

1"1/4-7

1/2

1/2"

1/2-20

1/2-13

1/4

1/4"

1/4-28

1/4-20

2

#2-56

3/4

3/4-16

3/4-10

3/8

3/8"

3/8-24

3/8-16

4

#4-48

#4-40

#5-40

5/8

5/8"

5/8-18

5/8-11

5/16

5/16-24

5/16-18

6

#6-40

#6-32

7/8-14

7/8-9

7/16

7/16"

7/16-20

7/16-14

8

No. 8

#8-36

#8-32

9/16-18

10

No. 10

#10-32

#10-24

#12-24
Clear