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Insert（Length L (after insertion) (D = Thread Dia. M)：0.7D）

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

6 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

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 0.35-
Days to Ship:	11 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)【2,000 Pieces Per Package】

TOKAI METAL INDUSTRY

General purpose type. Low cost and well balanced.

Standard Price:	SGD 468.84
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 0.84
Days to Ship:	11 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 0.56-
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 0.75-
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 0.37-
Days to Ship:	11 Day(s) or more


Brand
Product Series
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


Brand	HIROSUGI-KEIKI	TOKAI METAL INDUSTRY	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI	HIROSUGI-KEIKI
Product Series	Brass Bit Insert (Standard Model / Single-Sided Type) HSB	DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【2,000 Pieces Per Package】	Stainless Steel/Insert Nut Threaded Type / IRU	Brass Insert Nut (Screw-In Type) IRB/IRB-C	Aluminum Insert Nut (Screw-In Type) IRL-B/IRL-K	Brass Bit Insert (Standard, Double-sided) HSB-Z
Days to Ship	11 Day(s) or more	4 Day(s) or more	11 Day(s) or more	11 Day(s) or more	11 Day(s) or more	11 Day(s) or more
Screw Dia. M (after insertion)(mm)	3 ～ 5	5	3	3 ～ 4	3	3 ～ 5
Type	Press Fit	Standard	Self-Tapping	Self-Tapping	Self-Tapping	Press Fit
Material	Brass	Brass	Stainless Steel (SUS303/304)	Brass	Aluminum	Brass
Screw Type	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)	0.7D	0.7D	0.7D	0.7D	0.7D	0.7D
Application	Light Metal	Resin General	Cast Iron	Light Metal	Light Metal	Light Metal
Notch	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided	Not Provided
Thread Dia. (After inserted), Unified(inch)	-	-	-	-	-	-
Shape	Standard	Standard	Standard	Standard	Standard	Standard
Sales Unit	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.	Box, Pkg.

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

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"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"

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
Clear

Shape
- Slotted
- Small O.D. Slotted Type
- 3-Hole Type
- Small O.D. 3-Hole Type
- With Pin Type
- Tip Free Type
- Standard
Images

Clear

Sales Unit
- Low Quantity (Available beginning with 1 pc.)
- Box, Pkg.
Clear

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Insert（Length L (after insertion) (D = Thread Dia. M)：0.7D）

Search by specifying the lower class category

Configure

Specification/Dimensions

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

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