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Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 9:00 9/2/2025 to 7:00 (SGT) 10/2/2025. We apologize for the inconvenience.
Notice of End of Sales for Economy Series Pneumatic Equipment Category. More information.

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Threaded Inserts（Application：Cast Iron）

Threaded Inserts
These generally have embedded male threads. Coil shapes are inserted with a dedicated tool, press-fit into a collar, or mounted while self-tapping threads.
Choose a shape to suit the application. Some items require dedicated tools.

9 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

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

Standard Price:	SGD 1.12-
Days to Ship:	11 Day(s) or more

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

Standard Price:	SGD 1.43-
Days to Ship:	11 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

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:	3 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

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:	3 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:	3 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:	3 Day(s) or more

Insert, Inconel X-750

RECOIL

The color of the main body will become silver when the method of heat treatment changes.

Not plated. (Inconel Black Recoil)
An insert (Helisert/Sprue) for use at high temperatures (425–550°C) and with non-magnetic applications.

[Features]
· Nickel alloy.
· For use at high temperatures (425–550°C [800–1,000°F]) and with non-magnetic applications.

Standard Price:	SGD 19.95-
Days to Ship:	3 Day(s) or more


Brand
Product Series
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


Brand	HIROSUGI-KEIKI	HIROSUGI-KEIKI	TSUGAMI	KS SANGYO	ACCURATE	TSUGAMI	TSUGAMI	TSUGAMI	RECOIL
Product Series	Stainless Steel Insert Nut, Screw-in (Slotted)/IRU-S	Stainless Steel Insert Nut, Screw-in (Thread Locker / Slotted) / IRU-SW	E-Certs【1-100 Pieces Per Package】	Male Screw Repair Coil Thread -R【20 Pieces Per Package】	Coil Thread R	E-Sert Fine	E-Sert Unified (UNC)	E-Sert Unified (UNF)	Insert, Inconel X-750
Days to Ship	11 Day(s) or more	11 Day(s) or more	Same day or more	3 Day(s) or more	8 Day(s) or more	3 Day(s) or more	3 Day(s) or more	3 Day(s) or more	3 Day(s) or more
Screw Dia. M (after insertion)(mm)	2.6 ～ 8	2.6 ～ 8	2 ～ 24	3 ～ 6	3 ～ 6	10 ～ 16	-	-	3 ～ 12
Environmentally friendly	-	-	-	-	-	-	-	-	-
Type	Self-Tapping	Self-Tapping	Standard	Standard	Standard	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)	Inconel X-750
Screw Type	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Coarse) Thread	Metric (Fine) 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 / 0.8D / 3.5D	1D / 1.5D / 2D / 2.5D / 3D / 0.8D / 3.5D	1D / 1.5D / 2D / 2.5D / 3D / 0.5D	1D / 1.5D / 2D	1D / 1.5D / 2D	1D / 1.5D / 2D / 2.5D / 3D	1D	-	1D / 1.5D / 2D
Application	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron	Cast Iron
Notch	Not Provided	Not Provided	Provided	Provided	-	Provided	Provided	Provided	Provided
Thread Dia. (After inserted), Unified(inch)	-	-	-	-	-	-	-	-	-
Shape	Slotted	Slotted	-	Standard	-	-	-	-	-
Sales Unit	Box, Pkg.	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.)	Low Quantity (Available beginning with 1 pc.)
Cleaning Method	-	-	-	-	-	-	-	-	-

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

16

18

20

22

24

27

30

33

36

39

42
Drawing

Clear

Environmentally friendly
- RoHS Compliant (10 Substances)
Clear

Type
- Standard
- Self-Tapping
- 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
- 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"

1/2-20

1/2-13

1/4"

1/4-28

1/4-20

#2-56

3/4-16

3/4-10

3/8

3/8"

3/8-24

3/8-16

#4-48

#4-40

#5-40

5/8

5/8"

5/8-18

5/8-11

5/16

5/16-24

5/16-18

#6-40

#6-32

7/8-14

7/8-9

7/16"

7/16-20

7/16-14

No. 8

#8-36

#8-32

9/16-18

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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- KS SANGYO (1)
- RECOIL (1)
- JAPAN DRIVEIT (0)
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Threaded Inserts（Application：Cast Iron）

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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