Threaded Inserts（Length (After Insertion) L (D = Screw Shaft Dia. M)：2.5D）

Threaded inserts are cylindrical metal or plastic components designed to create a threaded hole in materials such as wood or plastic. They allow for secure fastening of bolts and screws, providing a durable threading option for various applications. These inserts come in different styles and sizes, making them versatile for various industrial projects. They are commonly used in furniture assembly, automotive components, and electronics for reliable joining.

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Brass Insert Nut Screw-in 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
RoHS-compliant

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Ships as soon as 10 Days
Inserts - Press Fit, SL Type

JAPAN DRIVE-IT

[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

Volume Discount is available
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Ships as soon as 5 Days
Inserts - Threaded, Helical, Stainless Steel, E-Sert【1-100 Pieces Per Package】

TSUGAMI

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

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Ships as soon as 5 Days
Inserts - Recoil Free Running Thread, Helical with Notch, Stainless Steel, Metric

Recoil

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

Volume Discount is available
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Ships as soon as 4 Days
Brass Insert Nut Screw-in 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
RoHS-compliant

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Ships as soon as 10 Days
Aluminum Insert Nut Screw-in / 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 electroless nickel plating
RoHS-compliant

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Ships as soon as 10 Days
Brass Insert Nut Screw-in / 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
RoHS-compliant

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Ships as soon as 10 Days
Brass Insert Nut Screw-in / 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
RoHS-compliant

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Ships as soon as 10 Days
Inserts - Threaded, Helical, Stainless Steel, Metric Fine, E-Sert Hemlock-Made【100 Pieces Per Package】

Sunco

[Nominal M] 6, 8, 14, 18, 20, 22, 24, 27, 30, 33, 36, 39
Material Stainless Steel
Surface Treatment Bare

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Ships as soon as 5 Days
Aluminum Insert Nut Screw-in 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 electroless nickel plating
RoHS-compliant

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Ships as soon as 10 Days
Inserts - Press Fit, Brass, Cadmium-Free, SB (Z) Type【1-8,000 Pieces Per Package】

Tokai

General purpose type. Low cost and well balanced.

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Ships as soon as 5 Days
Inserts - Threaded, Helical, Inch Coarse【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.

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Ships as soon as 5 Days
Inserts - Press Fit, Brass, Cadmium-Free, Flanged

Tokai

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

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Ships as soon as 5 Days
Inserts - Press Fit, Brass, Cadmium-Free, SD Type

Tokai

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

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Ships as soon as 5 Days
Inserts - Recoil Threaded, Helical, Stainless Steel【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 Treatment Bare

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Ships as soon as 5 Days
Inserts - Self Tapping, Slotted, SCT Type

JAPAN DRIVE-IT

[Type] Self-tapping Used
[Application] Resin: General
[Materials] Brass
[Screw type] Metric (coarse) screw, without notch
[Shape] Standard, Screw Diameter (following insertion) M (mm), 3, 4, 5, 6, 8, 10, Length (following insertion)
[L](D = screw diameter M) 2D 2.5D
[Length] B (mm) 6.0 8.0 10.0 14.0 15.0 18.0

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Ships as soon as 5 Days
Inserts - Threaded, Helical, Stainless Steel, Phosphor Bronze【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 is available
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Ships as soon as 5 Days
Inserts - Threaded, Helical, Metric Fine, E-Sert

TSUGAMI

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

Volume Discount is available
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Ships as soon as 5 Days


Brand
Product Series
Days to Ship
Insert Style
Application
Material
Screw Type
Thread Diameter (Inserted) - Metric
Thread Diameter (Inserted) - Inch
Length (After Insertion) L (D = Screw Shaft Dia. M)
Notch
Shape
Sale Unit
Cleaning Method
Features/Applications
RoHS Compliance


Brand	Hirosugi-Keiki	JAPAN DRIVE-IT	TSUGAMI	Recoil	Hirosugi-Keiki	Hirosugi-Keiki	Hirosugi-Keiki	Hirosugi-Keiki	Sunco	Hirosugi-Keiki	Tokai	Nippon Sprew	Tokai	Tokai	Sunco	JAPAN DRIVE-IT	Nippon Sprew	TSUGAMI
Product Series	Brass Insert Nut Screw-in IRB-W/-CW	Inserts - Press Fit, SL Type	Inserts - Threaded, Helical, Stainless Steel, E-Sert【1-100 Pieces Per Package】	Inserts - Recoil Free Running Thread, Helical with Notch, Stainless Steel, Metric	Brass Insert Nut Screw-in IRB/IRB-C	Aluminum Insert Nut Screw-in / Coated with Loosening Prevention Agent IRL-BW/-KW	Brass Insert Nut Screw-in / Slotted IRB-S/IRB-SC	Brass Insert Nut Screw-in / Slotted IRB-SW/-SCW	Inserts - Threaded, Helical, Stainless Steel, Metric Fine, E-Sert Hemlock-Made【100 Pieces Per Package】	Aluminum Insert Nut Screw-in IRL-B/IRL-K	Inserts - Press Fit, Brass, Cadmium-Free, SB (Z) Type【1-8,000 Pieces Per Package】	Inserts - Threaded, Helical, Inch Coarse【1-100 Pieces Per Package】	Inserts - Press Fit, Brass, Cadmium-Free, Flanged	Inserts - Press Fit, Brass, Cadmium-Free, SD Type	Inserts - Recoil Threaded, Helical, Stainless Steel【100 Pieces Per Package】	Inserts - Self Tapping, Slotted, SCT Type	Inserts - Threaded, Helical, Stainless Steel, Phosphor Bronze【1-100 Pieces Per Package】	Inserts - Threaded, Helical, Metric Fine, E-Sert
Days to Ship	10 Days	5 Days	5 Days	4 Days	10 Days	10 Days	10 Days	10 Days	5 Days	10 Days	5 Days	5 Days	5 Days	5 Days	5 Days	5 Days	5 Days	5 Days
Insert Style	Self-Tapping	Press-Fit	Standard	Standard	Self-Tapping	Self-Tapping	Self-Tapping	Self-Tapping	Standard	Self-Tapping	Standard	Standard	Standard	Standard	Standard	Self-Tapping	Standard	Standard
Application	Light Metal	-	Light Metal / Cast Iron / General Resin	Light Metal	Light Metal	Light Metal	Light Metal	Light Metal	-	Light Metal	General Resin	Light Metal	General Resin	General Resin	-	General Resin	Light Metal	Light Metal / Cast Iron / General Resin
Material	Brass	Brass	303/304 Stainless Steel	303/304 Stainless Steel	Brass	Aluminum	Brass	Brass	303/304 Stainless Steel	Aluminum	Brass	303/304 Stainless Steel	Brass	Brass	303/304 Stainless Steel	Brass	303/304 Stainless Steel / Phosphor Bronze	303/304 Stainless Steel
Screw Type	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Fine	Metric Coarse	Metric Coarse	Unified Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Coarse	Metric Fine
Thread Diameter (Inserted) - Metric	3 ～ 5	2	2.5 ～ 20	2 ～ 16	2 ～ 5	3 ～ 5	3 ～ 5	3 ～ 5	8 ～ 14	2 ～ 5	1.6 ～ 4	-	3	2.6 ～ 6	3 ～ 10	6	2 ～ 16	10
Thread Diameter (Inserted) - Inch	-	-	-	-	-	-	-	-	-	-	-	1/4" ～ #4	-	-	-	-	-	-
Length (After Insertion) L (D = Screw Shaft Dia. M)	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D	2.5D
Notch	No	No	Yes	Yes	No	No	No	No	Yes	No	No	Yes	No	No	Yes	No	Yes	Yes
Shape	Standard	Standard	-	-	Standard	Standard	Slotted	Slotted	Standard	Standard	Standard	-	Standard	Standard	Standard	Standard	-	-
Sale Unit	Box/Pack	Individually Sold (From 1 pc.)	Individually Sold (From 1 pc.) ～ Box/Pack	Individually Sold (From 1 pc.)	Box/Pack	Box/Pack	Box/Pack	Box/Pack	Box/Pack	Box/Pack	Individually Sold (From 1 pc.) ～ Box/Pack	Individually Sold (From 1 pc.) ～ Box/Pack	Individually Sold (From 1 pc.)	Individually Sold (From 1 pc.)	Box/Pack	Individually Sold (From 1 pc.)	Individually Sold (From 1 pc.) ～ Box/Pack	Individually Sold (From 1 pc.)
Cleaning Method	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Features/Applications	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
RoHS Compliance	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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Filters

Insert Style
- Standard
- Self-Tapping
- Key Locked
- Tool
- Crimped
- Press-Fit
Images

Clear

Application
- Light Metal
- Cast Iron
- General Resin
- Wood
Clear

Material
- Steel
- 303/304 Stainless Steel
- 316 Stainless Steel
- 430F Stainless Steel
- Brass
- Phosphor Bronze
- Nitronic 60
- Aluminum
- Stainless Steel
Clear

Screw Type
- Metric Coarse
- Metric Fine
- Unified Coarse
- Unified Fine
- Whitworth Coarse
Clear

Metric / Inch
- metric
- inch
Clear

Thread Diameter (Inserted) - Metric
1.4

1.6

1.7

2

2.2

2.5

2.6

3

3.5

4

5

6

6a

7

8

9

10

M10

11

12

14

16

18

20

22

24

27

30

36

39

42
Drawing

Clear

Thread Diameter (Inserted) - Inch
1/4"

5/16"

3/8"

7/16"

1/2"

9/16"

5/8"

3/4"

7/8"

1"

#10

#12

#4

#5

#6

#8
Clear

Length (After Insertion) L (D = Screw Shaft Dia. M)
- 1D
- 1.5D
- 2D
- 2.5D
- 3D
- 0.5D
- 0.7D
- 0.8D
- 3.5D
Drawing

Clear

Notch
- No
- Yes
Clear

Shape
- Slotted
- Small Outside Diameter Slotted
- Three-Hole
- Small Outside Diameter Three-Hole
- With Pin
- Chip-Free
- Standard
Images

Clear

Sale Unit
Individually Sold (From 1 pc.)

Box/Pack
Clear

Cleaning Method
- Degreasing
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
Clear

Features/Applications
- Clean Washed
Details

Clear

RoHS Compliance
- RoHS Compliant (10 Substances)
- Not RoHS Compliant
Clear

Brand

- MISUMI (0)
- C-Value ()
- Hirosugi-Keiki (6)
- Tokai (3)
- JAPAN DRIVE-IT (2)
- Nippon Sprew (2)
- Sunco (2)
- TSUGAMI (2)
- Recoil (1)
- NBK (0)
- AMPG (0)
- Sel Japan (0)
- KS SANGYO (0)
- Kipp (0)
- Bohsei (0)
- ESCO (0)
- KKV (0)
Clear

CAD

- 2D
- 3D
Clear

Threaded Inserts（Length (After Insertion) L (D = Screw Shaft Dia. M)：2.5D）

Configure

Filters

Insert Style

Application

Material

Screw Type

Metric / Inch

Thread Diameter (Inserted) - Metric

Thread Diameter (Inserted) - Inch

Length (After Insertion) L (D = Screw Shaft Dia. M)

Notch

Shape

Sale Unit

Cleaning Method

Features/Applications

RoHS Compliance

Brand

CAD

Related Categories to Threaded Inserts