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Insert（Application：Resin General）

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

29 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

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

Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)【1-8,000 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 0.17-
	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)【1-5,000 Pieces Per Package】

TOKAI METAL INDUSTRY

General purpose type. Low cost and well balanced.

Standard Price:	SGD 0.27-
Days to Ship:	Same day or more

Ultrasert UD2 / UD4 (Brass Cadmium-Free)

Ultrasert UD2 / UD4 (Brass Cadmium-Free)【1-5,000 Pieces Per Package】

TOKAI METAL INDUSTRY

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

Standard Price:	SGD 0.27-
Days to Ship:	Same day or more

C Lock (CL Type)

C Lock (CL Type)【100 Pieces Per Package】

BOHSEI

The outer knurled form is reversed, which allows for high tensile strength and torque strength.

Standard Price:	SGD 13.87-
Days to Ship:	4 Day(s) or more

C-Lock (HCL Type)

C-Lock (HCL Type)【10-100 Pieces Per Package】

BOHSEI

Flange shape enables screws to be tightened without damaging plastics. Also prevents plastic burrs from forming when inserts are pressed in.

Standard Price:	SGD 5.20-
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)【1-15,000 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

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 0.38-
Days to Ship:	4 Day(s) or more

E-Certs【1-100 Pieces Per Package】

TSUGAMI

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

Days to Ship: Same day or more

Days to Ship:	Same day or more

Dodge Insert Flange Type (Brass Cadmium-Less)

Dodge Insert Flange Type (Brass Cadmium-Less)【1-600 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 0.68-
Days to Ship:	4 Day(s) or more

Tangless Insert Unified Fine

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:	6 Day(s) or more

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 1.06-
Days to Ship:	8 Day(s) or more

On Sale Till 31/03/2025

Heat-Lok (HL Type)

Heat-Lok (HL Type)【1-1,000 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 0.49-
	Special Price
Days to Ship:	Same day or more

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 0.80-
Days to Ship:	4 Day(s) or more

Dodge Bit Insert Standard SD (Brass Cadmium-Less)

Dodge Bit Insert Standard SD (Brass Cadmium-Less)【1-2,000 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 0.53-
Days to Ship:	4 Day(s) or more

Screwsert (Type SCT)

JAPAN DRIVEIT

[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

Standard Price:	SGD 1.28-
Days to Ship:	4 Day(s) or more

Tangless insert metric coarsephosphor bronze

ACCURATE

We recommend using this on anti-magnetic works or locations.

Standard Price:	SGD 0.69-
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 reinforcement of materials such as aluminum and plastic where female threads have low strength.
· Weight reduction is possible since it can be inserted into the base material of materials prone to female screw breakage.
· For countermeasures against vibration and reinforcement of spots where strong vibration is present, such as with industrial machinery and the engines of vehicles or motorcycles.
· Repairs and reforms broken, worn out, and crushed female threads.

Standard Price:	SGD 24.56
Days to Ship:	5 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 0.49-
	Special Price
Days to Ship:	Same day 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 1.38-
Days to Ship:	4 Day(s) or more

E-Sert Unified (UNC)

TSUGAMI

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

Standard Price:	SGD 1.56
Days to Ship:	4 Day(s) or more

E-Sert Unified (UNF)

TSUGAMI

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

Standard Price:	SGD 1.56
Days to Ship:	4 Day(s) or more

Ultrasert 4 FUIV, Flange Type (Brass, Cadmium-Free)

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

TOKAI METAL INDUSTRY

Offers the strongest tension and other strengths over other inserts.

Standard Price:	SGD 0.39-
Days to Ship:	4 Day(s) or more

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 0.74-
Days to Ship:	3 Day(s) or more

Male Screw Repair Coil Thread -R

Male Screw Repair Coil Thread -R【20 Pieces Per Package】

KS SANGYO

Insert screw that can be inserted and removed easily and smoothly.
[Features]
· Ready-to-use screw insert, compatible with the tools you have at hand.
· The sampling notch makes it unnecessary to forcibly pull out to avoid damaging the base material.
[Applications]
· For reinforcement of materials such as aluminum and plastic where female threads have low strength.
· Weight reduction is possible since it can be inserted into the base material of materials prone to female screw breakage.
· For countermeasures against vibration and reinforcement of spots where strong vibration is present, such as with industrial machinery and the engines of vehicles or motorcycles.
· Repairs and reforms broken, worn out, and crushed female threads.

Standard Price:	SGD 19.74
Days to Ship:	4 Day(s) or more

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 0.71-
Days to Ship:	8 Day(s) or more

C TEC (CT Type)

C TEC (CT Type)【100 Pieces Per Package】

BOHSEI

Verification work on the embedded direction is not necessary because both ends have the same shape, which allows for faster work. Recommended when considering the use of parts feeders for automation.

Standard Price:	SGD 24.74
Days to Ship:	4 Day(s) or more

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 0.80-
Days to Ship:	8 Day(s) or more

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 0.82-
Days to Ship:	8 Day(s) or more

Nylon Nut Insert / NNI

HIROSUGI-KEIKI

[Nominal of Thread (M)] 2.5/3/4/5/6/8
Main 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

	On Sale Till 31/03/2025											On Sale Till 31/03/2025						On Sale Till 31/03/2025
Brand	TOKAI METAL INDUSTRY	TOKAI METAL INDUSTRY	TOKAI METAL INDUSTRY	BOHSEI	BOHSEI	TOKAI METAL INDUSTRY	JAPAN DRIVEIT	TSUGAMI	TOKAI METAL INDUSTRY	ACCURATE	ACCURATE	JAPAN DRIVEIT	ACCURATE	TOKAI METAL INDUSTRY	JAPAN DRIVEIT	ACCURATE	KS SANGYO	ACCURATE	TSUGAMI	TSUGAMI	TSUGAMI	TOKAI METAL INDUSTRY	ACCURATE	KS SANGYO	ACCURATE	BOHSEI	ACCURATE	ACCURATE	HIROSUGI-KEIKI
Product Series	Dodge Bit Insert (Standard) SB Brass (Cadmium-Free)【1-8,000 Pieces Per Package】	Dodge Bit Insert Flange Type (Brass Cadmium-Free)【1-5,000 Pieces Per Package】	Ultrasert UD2 / UD4 (Brass Cadmium-Free)【1-5,000 Pieces Per Package】	C Lock (CL Type)【100 Pieces Per Package】	C-Lock (HCL Type)【10-100 Pieces Per Package】	DODGE BET Insert (Standard), Double Sided Chamfer Type, Brass (Cadmium-Free)【1-15,000 Pieces Per Package】	Sparrow (Type SP)	E-Certs【1-100 Pieces Per Package】	Dodge Insert Flange Type (Brass Cadmium-Less)【1-600 Pieces Per Package】	Tangless Insert Unified Fine	Coil Thread R	Heat-Lok (HL Type)【1-1,000 Pieces Per Package】	Tangless insert metric coarsetaping packaging	Dodge Bit Insert Standard SD (Brass Cadmium-Less)【1-2,000 Pieces Per Package】	Screwsert (Type SCT)	Tangless insert metric coarsephosphor bronze	Screw Reinforcement Tangless Insert【10-20 Pieces Per Package】	Tangless Insert Metric Coarse【1-50 Pieces Per Package】	E-Sert Fine	E-Sert Unified (UNC)	E-Sert Unified (UNF)	Ultrasert 4 FUIV, Flange Type (Brass, Cadmium-Free)【1-1,000 Pieces Per Package】	Tangless insert metric coarselocking	Male Screw Repair Coil Thread -R【20 Pieces Per Package】	Tangless Insert Unified Coarse	C TEC (CT Type)【100 Pieces Per Package】	Tangless insert unified coarse locking	Tangless insert unified fine locking	Nylon Nut Insert / NNI
CAD																		2D / 3D
Days to Ship	Same day or more	Same day or more	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	Same day or more	4 Day(s) or more	6 Day(s) or more	8 Day(s) or more	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	5 Day(s) or more	Same day or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	3 Day(s) or more	4 Day(s) or more	8 Day(s) or more	4 Day(s) or more	8 Day(s) or more	8 Day(s) or more	11 Day(s) or more
Screw Dia. M (after insertion)(mm)	1.6 ～ 8	2 ～ 8	2 ～ 10	2 ～ 6	3 ～ 6	1.4 ～ 6	2 ～ 6	2 ～ 24	2.6 ～ 8	-	3 ～ 6	3 ～ 6	2.5 ～ 5	2.6 ～ 8	3 ～ 8	3 ～ 6	2 ～ 12	2 ～ 24	10 ～ 16	-	-	3 ～ 8	2.5 ～ 12	3 ～ 6	-	3	-	-	2.5 ～ 8
Environmentally friendly	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Type	Standard	Standard	Standard	Press Fit	Press Fit	Standard	Press Fit	Standard	Standard	Tangless	Standard	Press Fit	Tangless	Standard	Self-Tapping	Tangless	Tangless	Tangless	Standard	Standard	Standard	Standard	Tangless	Standard	Tangless	Press Fit	Tangless	Tangless	Press Fit
Characteristics/Applications	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Material	Brass	Brass	Brass	Brass	Brass	Brass	Brass	Stainless Steel (SUS303/304)	Brass	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Brass	Stainless Steel (SUS303/304)	Brass	Brass	Phosphor Bronze	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Brass	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Brass	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Nylon
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	Unified (Fine) 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 (Fine) Thread	Metric (Fine) Thread	Unified (Coarse) Thread	Unified (Fine) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Unified (Coarse) Thread	Metric (Coarse) Thread	Unified (Coarse) Thread	Unified (Fine) Thread	Metric (Coarse) Thread
Length L (after insertion) (D = Thread Dia. M)	1D / 1.5D / 2D / 2.5D / 3D	1D / 1.5D / 2D / 2.5D / 3D	1D / 1.5D / 2D	-	-	1D / 1.5D / 2D / 2.5D / 3D / 0.7D	1D / 1.5D / 2D	1D / 1.5D / 2D / 2.5D / 3D / 0.5D	1.5D / 2D / 2.5D	1D / 1.5D / 2D	1D / 1.5D / 2D	1.5D / 2D	1D / 1.5D / 2D	1D / 1.5D / 2D / 2.5D / 3D	2D / 2.5D	1D / 1.5D / 2D	1D / 1.5D / 2D	1D / 1.5D / 2D	1D / 1.5D / 2D / 2.5D / 3D	1D	-	1.5D / 2D	1D / 1.5D / 2D	1D / 1.5D / 2D	1D / 1.5D / 2D	-	1D / 1.5D / 2D	1D / 1.5D / 2D	2.5D / 3D
Application	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General	Resin General
Notch	Not Provided	Not Provided	Not Provided	-	-	Not Provided	Not Provided	Provided	Not Provided	-	-	Not Provided	-	Not Provided	Not Provided	-	Provided	Not Provided	Provided	Provided	Provided	Not Provided	-	Provided	-	-	-	-	Not Provided
Thread Dia. (After inserted), Unified(inch)	-	-	-	-	-	-	-	-	-	1/4 ～ 10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1/4 ～ 10	-	1/4 ～ 10	1/4 ～ 10	-
Shape	Standard	Standard	Standard	Standard	Standard	Standard	Standard	-	Standard	-	-	Standard	-	Standard	Standard	-	Standard	-	-	-	-	Standard	-	Standard	-	Standard	-	-	Standard
Sales Unit	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Box, Pkg.	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	-	-	-	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.)	-	Box, Pkg.	-	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	-	-	Box, Pkg.	-	-	-	-	Box, Pkg.
Cleaning Method	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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