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Insert（Screw Type：Metric (Fine) Thread）

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

20 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, 18
You can purchase from 1 piece!

Application: Strengthens the female thread of the base.
Features: Durable screw connection. You can create a concise design.
Material: SUS304.

Volume Discount

CAD ：: 2D / 3D

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

Recoil Packet (Milli)

Recoil Packet (Milli)【5-10 Pieces Per Package】

RECOIL

[Type] Threaded Insert Use
[Application] Light Metal
[Materials] SUS304 with Notch
[Application] Light Metal
[Screw type] Coarse/Fine Screw Diameter (after insertion) 2 2.2 2.5 3 3.5 4 5 6 7 8 9 10 11 12 14 16 18 20 Length (after insertion)
[L](D = screw diameter M) 1D 1.5D 2D
[Sales unit] Minimum Quantity (Available for Purchase from 1 pc) Box and Pkg.
[Pitch (mm)] 0.4 0.45 0.5 0.6 0.7 0.8 1.0 1.25 1.5 1.75 2.0 2.5 Usage Environment: Internal Combustion Engines/Manufacturing Equipment Quantity 5 10

Standard Price:	SGD 8.02-
Days to Ship:	4 Day(s) or more

Recoil-Free (Specified mm) SUS304

RECOIL

The material is normal stainless steel 304 (18–8), but the material has been manufactured with other materials added for special applications.

Days to Ship: 4 Day(s) or more

Days to Ship:	4 Day(s) or more

Stainless Steel E-Sert Fine (Hemlock-Made)

Stainless Steel E-Sert Fine (Hemlock-Made)【1-100 Pieces Per Package】

SUNCO

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

Standard Price:	SGD 1.07-
Days to Ship:	4 Day(s) or more

On Sale Till 31/03/2025

Tangless Insert Metric Coarse

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.

Standard Price:	SGD 8.43-
	Special Price
Days to Ship:	6 Day(s) or more

Sprue (Fine, P=1.25)

Sprue (Fine, P=1.25)【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.

Standard Price:	SGD 0.99-
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 1.38-
Days to Ship:	4 Day(s) or more

Sprue 2-Piece Tap, Fine

SUNCO

[Outer Diameter - Pitch] M8-1.0, M10-1.25, M12-1.25, M14-1.5, M16-1.5, M18-1.5, M20-1.5

Standard Price:	SGD 62.93-
Days to Ship:	7 Day(s) or more

E-SERT, Bottoming Tap, Fine

SUNCO

[Outer Diameter - Pitch] M6-0.75, M8-1.0, M10-1.25, M12-1.25, M14-1.5, M16-1.5, M18-1.5, M20-1.5, M22-1.5, M24-2.0, M27-2.0, M30-2.0, M33-2.0, M36-3.0, M39-3.0

Standard Price:	SGD 35.20-
Days to Ship:	7 Day(s) or more

Lock Type Sprew (Other, Fine)

Lock Type Sprew (Other, Fine)【10 Pieces Per Package】

SUNCO

[Material] Stainless steel
[Thread size M] 10, 12, 24

Standard Price:	SGD 17.35
Days to Ship:	7 Day(s) or more

Recoil Packet for Spark Plugs

Recoil Packet for Spark Plugs【10 Pieces Per Package】

RECOIL

The spark plug kit contains a pilot tap. Thread diameter (after insertion) M (mm) 14 types: Threaded insert / Thread type: Fine / Material: SUS304 / Unit of purchase: Box/pack

Standard Price:	SGD 26.21-
Days to Ship:	4 Day(s) or more

Stainless Steel Sprue (Other, Fine)

Stainless Steel Sprue (Other, Fine)【1-100 Pieces Per Package】

SUNCO

[Nominal M] 8, 24, 33
[Material] Stainless Steel
[Surface Processing] Bare

Standard Price:	SGD 13.01-
Days to Ship:	4 Day(s) or more

Sprue Insertion Tool INP Narrow Eye

SUNCO

[Outer Diameter - Pitch] M8-1.0, M10-1.25, M12-1.25, M14-1.5, M16-1.5, M18-1.5, M20-1.5

Standard Price:	SGD 121.62-
Days to Ship:	7 Day(s) or more

Sprue Insertion Tool INP Other Narrow Eye

SUNCO

[Outer Diameter - Pitch] M10-1.0, M12-1.5, M20-2.0

Standard Price:	SGD 143.75-
Days to Ship:	7 Day(s) or more

E-SERT, Medium Tap, Fine

SUNCO

[Outer Diameter - Pitch] M6-0.75, M8-1.0, M10-1.25, M12-1.25, M14-1.5, M16-1.5, M18-1.5, M201.5, M221.5, M24-2.0, M27-2.0, M30-2.0, M33-2.0, M36-3.0, M39-3.0

Standard Price:	SGD 35.20-
Days to Ship:	7 Day(s) or more

E-Sert Spiral Tap

SUNCO

[Nominal M] 2, 2.5, 2.6, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 27, 30, 36
[Nominal W] #2-56, #4-40, #6-32, #8-32, #10-24, 1/4, 5/16, 3/8, 1/2, 5/8, 3/4, 1-8

Standard Price:	SGD 155.87
Days to Ship:	7 Day(s) or more

E-Sert (Other Fine)

E-Sert (Other Fine)【1-100 Pieces Per Package】

SUNCO

[Material] Stainless Steel
[Thread Size M] 10 12 20 24 30 33 42 52

Standard Price:	SGD 1.26-
Days to Ship:	4 Day(s) or more

Lock E-Sert (Other Meshes)

Lock E-Sert (Other Meshes)【100 Pieces Per Package】

SUNCO

[Material] Stainless Steel
[Thread Size M] 10 12 24 30 42

Standard Price:	SGD 99.28-
Days to Ship:	7 Day(s) or more

Lock E-Sert (Fine Mesh)

Lock E-Sert (Fine Mesh)【1-100 Pieces Per Package】

SUNCO

[Material] Stainless Steel
[Thread Size M] 8 10 12 14 16 18 20 22 27 33 36 39

Standard Price:	SGD 1.11-
Days to Ship:	4 Day(s) or more

Lock Type Sprew (Fine)

Lock Type Sprew (Fine)【10 Pieces Per Package】

SUNCO

[Material] Stainless steel
[Thread size M] 10, 12, 14, 16, 18, 20, 22

Standard Price:	SGD 25.90
Days to Ship:	7 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
Brand	MISUMI	RECOIL	RECOIL	SUNCO	ACCURATE	NIPPON SPREW	TSUGAMI	SUNCO	SUNCO	SUNCO	RECOIL	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO	SUNCO
Product Series	Thread Inserts	Recoil Packet (Milli)【5-10 Pieces Per Package】	Recoil-Free (Specified mm) SUS304	Stainless Steel E-Sert Fine (Hemlock-Made)【1-100 Pieces Per Package】	Tangless Insert Metric Coarse	Sprue (Fine, P=1.25)【1-100 Pieces Per Package】	E-Sert Fine	Sprue 2-Piece Tap, Fine	E-SERT, Bottoming Tap, Fine	Lock Type Sprew (Other, Fine)【10 Pieces Per Package】	Recoil Packet for Spark Plugs【10 Pieces Per Package】	Stainless Steel Sprue (Other, Fine)【1-100 Pieces Per Package】	Sprue Insertion Tool INP Narrow Eye	Sprue Insertion Tool INP Other Narrow Eye	E-SERT, Medium Tap, Fine	E-Sert Spiral Tap	E-Sert (Other Fine)【1-100 Pieces Per Package】	Lock E-Sert (Other Meshes)【100 Pieces Per Package】	Lock E-Sert (Fine Mesh)【1-100 Pieces Per Package】	Lock Type Sprew (Fine)【10 Pieces Per Package】
CAD	2D / 3D
Days to Ship	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	4 Day(s) or more	6 Day(s) or more	4 Day(s) or more	4 Day(s) or more	7 Day(s) or more	7 Day(s) or more	7 Day(s) or more	4 Day(s) or more	4 Day(s) or more	7 Day(s) or more	7 Day(s) or more	7 Day(s) or more	7 Day(s) or more	4 Day(s) or more	7 Day(s) or more	4 Day(s) or more	7 Day(s) or more
Screw Dia. M (after insertion)(mm)	8 ～ 12	8 ～ 20	8 ～ 24	6 ～ 39	16 ～ 20	10 ～ 20	10 ～ 16	8 ～ 16	6 ～ 16	10	14	8 ～ 24	8 ～ 20	10 ～ 12	6 ～ 36	16	10 ～ 33	10 ～ 12	8 ～ 33	12
Environmentally friendly	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Type	Standard	Standard	Standard	Standard	Tangless	Standard	Standard	Tool	Tool	Standard	Standard	Standard	Tool	Tool	Tool	Tool	Standard	Standard	Standard	Standard
Characteristics/Applications	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Material	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	-	-	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	-	-	-	-	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)	Stainless Steel (SUS303/304)
Screw Type	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread	Metric (Fine) Thread
Length L (after insertion) (D = Thread Dia. M)	1D / 1.5D / 2D / 3D	1D / 1.5D / 2D	1D / 1.5D / 2D	1D / 1.5D / 2D / 2.5D	1D	1D / 1.5D / 2D	1D / 1.5D / 2D / 2.5D / 3D	-	-	1.5D	-	1D / 1.5D / 2D	-	-	-	-	1D / 1.5D / 2D	1D / 1.5D / 2D	1D / 1.5D / 2D	1.5D
Application	Light Metal	Light Metal	Light Metal	-	Light Metal / Cast Iron / Resin General	Light Metal	Light Metal / Cast Iron / Resin General	-	-	-	-	-	-	-	-	-	-	-	-	-
Notch	Provided	Provided	Provided	Provided	Not Provided	Provided	Provided	-	-	Provided	-	Provided	-	-	-	-	Provided	Provided	Provided	Provided
Thread Dia. (After inserted), Unified(inch)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Shape	-	-	-	Standard	-	-	-	-	-	-	-	Standard	-	-	-	-	-	-	-	-
Sales Unit	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.)	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.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.)	Low Quantity (Available beginning with 1 pc.) / Box, Pkg.	Box, Pkg.	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

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

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

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- SUNCO (13)
- RECOIL (3)
- ACCURATE (1)
- NIPPON SPREW (1)
- TSUGAMI (1)
- JAPAN DRIVEIT (0)
- HIROSUGI SEIKI (0)
- KKV (0)
- KS SANGYO (0)
- SEL JAPAN (0)
- ESCO (0)
- TOKAI METAL INDUSTRY (0)
- BOHSEI (0)
- HIROSUGI-KEIKI (0)
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Insert（Screw Type：Metric (Fine) Thread）

Search by specifying the lower class category

Configure

Specification/Dimensions

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

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