Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 6:30 21/4/2024 to 3:30 (IST) 22/4/2024. We apologize for the inconvenience.
Due to an increase in demand, the lead time of some of the electrical items from our eCatalogue has increased abnormally and may cause delays in delivery or order suspension. We apologize for the inconvenience and appreciate your kind understanding. Once the supply will get normalized, we will update the same.

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)：3.5D）

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.
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

Brand	(0) (0) ACCURATE (0) BOHSEI (0) ESCO (0) HIROSUGI SEIKI (0) HIROSUGI-KEIKI (13) JAPAN DRIVEIT (0) KKV (0) KS SANGYO (0) NIPPON SPREW (0) RECOIL (0) SEL JAPAN (0) SUNCO (0) TOKAI METAL INDUSTRY (0) TSUGAMI (0)
CAD	2D 3D
Days to Ship	All Same day 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less 8 Day(s) or Less Others

13 items

Sort By

: 30; 45; 60

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

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

From: ₹ 78.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 99.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 59.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

Volume Discount

From: ₹ 23.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 23.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 64.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 45.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 78.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 48.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 42.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 39.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 67.00
Days to Ship: 12 Day(s) or more

12 Day(s) or more

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

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

From: ₹ 59.00
Days to Ship: 12 Day(s) or more

12 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.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
Brand	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI
Product Series	Stainless Steel Insert Nut, Screw-in (Slotted)/IRU-S	Stainless Steel Insert Nut, Screw-in (Thread Locker / Slotted) / IRU-SW	Stainless Steel/Insert Nut Threaded Type / IRU	Brass Bit Insert (Standard Model / Single-Sided Type) HSB	Brass Bit Insert (Standard, Double-sided) HSB-Z	Aluminum Insert Nut (Screw-In Type / Coated With Loosening Prevention Agent) IRL-BW/-KW	Aluminum Insert Nut (Screw-In Type) IRL-B/IRL-K	Stainless Steel/Aluminum Insert Nut Threaded Type (Loosening Prevention) / IRU-W	Brass Insert Nut (Screw-In Type / Slotted) IRB-S/IRB-SC	Brass Dutch Insert (Standard) / HSD	Brass Insert Nut (Screw-In Type) IRB/IRB-C	Brass Insert Nut (Screw-In Type / Slotted) IRB-SW/-SCW	Brass Insert Nut (Screw-In Type) IRB-W/-CW
From	₹ 78.00	₹ 99.00	₹ 59.00	₹ 23.00	₹ 23.00	₹ 64.00	₹ 45.00	₹ 78.00	₹ 48.00	₹ 42.00	₹ 39.00	₹ 67.00	₹ 59.00
Days to Ship	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more	12 Day(s) or more
Screw Dia. M (after insertion)(mm)	3	3	3	2 ～ 3	2 ～ 3	3	3	3	3	3 ～ 4	3	3	3
Type	Self-Tapping	Self-Tapping	Self-Tapping	Press Fit	Press Fit	Self-Tapping	Self-Tapping	Self-Tapping	Self-Tapping	Press Fit	Self-Tapping	Self-Tapping	Self-Tapping
Material	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Brass	Brass	Aluminum	Aluminum	Stainless Steel (SUS303/304)	Brass	Brass	Brass	Brass	Brass
Screw Type	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread
Length L (after insertion) (D = Thread Dia. M)	3.5D	3.5D	3.5D	3.5D	3.5D	3.5D	3.5D	3.5D	3.5D	3.5D	3.5D	3.5D	3.5D
Application	Cast Iron	Cast Iron	Cast Iron	Light Metal	Light Metal	Light Metal	Light Metal	Cast Iron	Light Metal	Light Metal	Light Metal	Light Metal	Light Metal
Notch	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Thread Dia. (After inserted), Unified(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-
Shape	Slotted	Slotted	Standard	Standard	Standard	Standard	Standard	Standard	Slotted	Standard	Standard	Slotted	Standard
Sales Unit	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.

Configure

Specification/Dimensions

Screw Dia. M (after insertion)(mm)
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

36

39

42
Drawing

Clear

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

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

1/2

1/2"

1/2-20

1/2-13

1/4

1/4"

1/4-28

1/4-20

2

3/4-16

3/4-10

3/8

3/8"

3/8-24

3/8-16

4

#4-48

#4-40

5/8

5/8"

5/8-18

5/8-11

5/16

5/16"

5/16-24

5/16-18

6

#6-40

#6-32

7/8-14

7/8-9

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