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Screw Plugs（Plug Type：Sunk Head Plug）

Screw Plugs
These are also known as set screws, blocking plugs, stoppers, etc.
Many types of sunken tapered threads for pipes exist, including M, G, R, and NP threads. Special shapes with flanges or O-rings, convex shapes, and hexagonal hole types also exist.

Configure

Specification/Dimensions

Shape
- Standard
- Flanged
- Square Head
Clear

Nominal of Thread (R)
1

1 1/2

1 1/4

1/2

1/4

1/8

1/16

2

3/4

3/8
Clear

Nominal of Thread (M)
2.5

3

4

5

6

8

10

12

14

16

18

20

22

24

25

26

27

28

30

32

33

34

36

38

40

42

45

48

50

56

68
Clear

Mounting Hole Shape
- Hex Socket
- Hex Socket (Through)
- No Screw Hole
Clear

Nominal of Thread (G)
1

1 1/2

1 1/4

1/2

1/4

1/8

3/4

3/8
Clear

Length(mm)
3

4

5

6

6.35

6.5

7

7.9

8

8.5

8.9

9

10

10.3

10.5

11

11.1

11.7

12

12.5

13.5

14

15

15.5

15.8

16

16.5

16.7

17

17.5

18

19

19.6

20

21

21.5

22

24

25

26

29

34
Clear

Material
- Steel
- Stainless Steel
- Plastic
Clear

Nominal of Thread (NPT/NPTF)
1

1 1/2

1 1/4

1/2

1/4

1/8

1/16

2

3/4

3/8
Clear

Plug Type
- Floating Plug
- Sunk Head Plug
Clear

Surface Treatment
- Not Provided
- Chromate
- Nickel Plating
- Bright Chrome Plating
- Black Oxide
- Barrel, Passivation
- Dacrotized
- Tempered Color
- Dry Seal
Clear

Brand	(0) (0) GOSHO WORKS (2) KYOKUTO MFG (0) NBK (0) NIPPON CHEMICAL SCREW (0) NISSAN SCREW (4) OHKITA (0) SAKAMURA (0) SUNCO (5) TRUSCO (1)
Filter By	All Sale Items
CAD	2D 3D
Days to Ship	All Same day 1 Day(s) or Less 3 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less Others

12 items

Sort By

: 30; 60; 90

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GOSHO plug (GM)【1-500 Pieces Per Package】

GOSHO WORKS

[Features]
· The GM type plug is a level seal type (flush type) developed by Gosho. When the plug is screwed into PT (pipe taper) female threading specified in JISB0203, a reference diameter is established near the large end face so that its large end face is almost flush with the mounting face.
· It recently has become the indispensable primary plug for hydraulic and pneumatic equipment.
· It has the advantages of a GM type plug and is a level seal type, so it becomes flush with the embedded and installed main body for a pleasing external appearance and also facilitates miniaturization of machinery
· Comes with a tightening interference, which enables substantial tightening, allowing it to withstand great internal pressure.
· The plug is subject to cold plastic working for high precision, and is heat processed to allow it to be used under high pressure.

From: ฿ 18.97
Days to Ship: Same day

Same day

Compare

Hex Socket Head Taper Plug, Sink Type, B Type【1-100 Pieces Per Package】

NISSAN SCREW

[Features]
· The reference diameter position is closer to the upper surface of the plug than the JIS tapered male thread, and it is flushed with the internal thread when tightened.
· For general hydraulic pressure equipment.

From: ฿ 12.16
Days to Ship: Same day

Same day

Compare

Tapered Screw Plug With Hex Socket Head (Sink)

Until 31/03/2025

Tapered Screw Plug With Hex Socket Head (Sink)【1-1,000 Pieces Per Package】

SUNCO

Screw in the tapered pipe female thread to seal.
The reference diameter is then set so that the end is almost the same as the mounting surface.

From: ฿ 11.61
Special Price
Days to Ship: Same day

Same day

Compare

Taper plug【1-19 Pieces Per Package】

TRUSCO

Feature
· Stopper for piping.

Applications
· General hydraulic equipment.

From: ฿ 176.00
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

NPT Sink Taper Plug (for American Pipe)

SUNCO

[Shape] Standard
[Mount hole shape] Hex hole
[Material] Stainless steel
[Surface treatment] Untreated plug
[Type] Sink plug
[Sales unit] Discrete (can be purchased single units) nominal thread designation (NPT/NPTF) 1/16 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2
[Length (mm)] 6 7 9 10 12 14

From: ฿ 254.71
Special Price
Days to Ship: Same day

Same day

Compare

Plug (NPTF [Sink (DB)])【1-100 Pieces Per Package】

NISSAN SCREW

[Shape] Standard
[Mount hole shape] Hex hole
[Material] Alloy steel for structures
[Surface treatment] Black oxide film plug
[Type] Sink plug nominal thread designation (NPTF) 1/16 1/8 1/4 3/8 1/2
[Length] ±0.4 (mm) 6.35 10.3 13.5
[Sales unit] Discrete (can be purchased single units)

From: ฿ 23.33
Days to Ship: Same day

Same day

Compare

Hex Socket Head With Tapered Plug, Reinforced Sink Type, NB Type

Until 31/03/2025

Hex Socket Head With Tapered Plug, Reinforced Sink Type, NB Type

NISSAN SCREW

The reference diameter position is closer to the upper surface of the plug than the JIS tapered male thread, and it is flushed with the female thread member when tightened. For general hydraulic pressure equipment.

From: ฿ 14.32
Special Price
Days to Ship: Same day

Same day

Compare

Stocking Plug (Sunken) Gosho Industrial【1-100 Pieces Per Package】

SUNCO

From: ฿ 23.30
Days to Ship: 6 Day(s)

6 Day(s)

Compare

Gosho Plug (GDL)【1-1,000 Pieces Per Package】

GOSHO WORKS

The GDL type plug is a level seal type (flush type) developed by Gosho. It is located nearby.
[Features]
·Material: Structural carbon steel.
·Hardness: HRC32 to 42.
·Since it is a level seal type, it is flush with the main body that is embedded and installed, making it possible to make the device smaller and smarter in appearance.
·Since the screws are NPTF, excellent strength and tightness can be obtained without using a sealant.
·The taper of the plug is 1/13.714 (7/8" per 1ft), so it bites into the NPTF female thread with a pick and provides excellent tightening.

From: ฿ 27.43
Days to Ship: 5 Day(s)

5 Day(s)

Compare

Hex Socket Head Tapered Plug, Depressed Type, DB Type

Until 31/03/2025

Hex Socket Head Tapered Plug, Depressed Type, DB Type

NISSAN SCREW

Requires no sealant, and becomes flush with the female thread member when tightened. For overseas partner products, hydraulic equipment or automobiles.

From: ฿ 37.94
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

Resin Hex Socket Head Tapered Plug

SUNCO

Screw in the tapered pipe female thread to seal.
The reference diameter is then set so that the end is almost the same as the mounting surface.

From: ฿ 268.65
Special Price
Days to Ship: Same day

Same day

Compare

Hexagon Socket Head Tapered Threaded Plug (Sunk), by Tokosha Metal Works Co., Ltd.【40-1,500 Pieces Per Package】

SUNCO

From: ฿ 3,377.91
Days to Ship: 6 Day(s)

6 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Shape
Nominal of Thread (R)
Nominal of Thread (M)
Mounting Hole Shape
Nominal of Thread (G)
Length(mm)
Material
Nominal of Thread (NPT/NPTF)
Plug Type
Surface Treatment

	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 Until 31/03/2025	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 Until 31/03/2025	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 Until 31/03/2025	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 Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare
Brand	GOSHO WORKS	NISSAN SCREW	SUNCO	TRUSCO	SUNCO	NISSAN SCREW	NISSAN SCREW	SUNCO	GOSHO WORKS	NISSAN SCREW	SUNCO	SUNCO
Product Series	GOSHO plug (GM)【1-500 Pieces Per Package】	Hex Socket Head Taper Plug, Sink Type, B Type【1-100 Pieces Per Package】	Tapered Screw Plug With Hex Socket Head (Sink)【1-1,000 Pieces Per Package】	Taper plug【1-19 Pieces Per Package】	NPT Sink Taper Plug (for American Pipe)	Plug (NPTF [Sink (DB)])【1-100 Pieces Per Package】	Hex Socket Head With Tapered Plug, Reinforced Sink Type, NB Type	Stocking Plug (Sunken) Gosho Industrial【1-100 Pieces Per Package】	Gosho Plug (GDL)【1-1,000 Pieces Per Package】	Hex Socket Head Tapered Plug, Depressed Type, DB Type	Resin Hex Socket Head Tapered Plug	Hexagon Socket Head Tapered Threaded Plug (Sunk), by Tokosha Metal Works Co., Ltd.【40-1,500 Pieces Per Package】
CAD											2D / 3D
From	฿ 18.97	฿ 12.16	฿ 11.61 Special Price On Sale Until 31/03/2025	฿ 176.00	฿ 254.71 Special Price On Sale Until 31/03/2025	฿ 23.33	฿ 14.32 Special Price On Sale Until 31/03/2025	฿ 23.30	฿ 27.43	฿ 37.94 Special Price On Sale Until 31/03/2025	฿ 268.65 Special Price On Sale Until 31/03/2025	฿ 3,377.91
Days to Ship	Same day	Same day	Same day	Same day	Same day	Same day	Same day	6 Day(s)	5 Day(s)	Same day	Same day	6 Day(s)
Shape	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard	Standard
Nominal of Thread (R)	1 ～ 3/8	1 ～ 3/8	1 ～ 3/8	-	-	-	1 ～ 3/8	1 ～ 3/8	-	-	1/4 ～ 3/8	1 ～ 3/8
Nominal of Thread (M)	-	-	-	-	-	-	-	-	-	-	-	-
Mounting Hole Shape	Hex Socket	Hex Socket	Hex Socket	Hex Socket	Hex Socket	Hex Socket	Hex Socket	Hex Socket	Hex Socket	Hex Socket	Hex Socket	Hex Socket
Nominal of Thread (G)	-	-	-	-	-	-	-	-	-	-	-	-
Length(mm)	6 ～ 22	6 ～ 16.5	6 ～ 22	6 ～ 17	6 ～ 22	6.35 ～ 13.5	6 ～ 19	7 ～ 22	6.35 ～ 16.7	6.35 ～ 13.5	8 ～ 12	7 ～ 17.5
Material	Steel / Stainless Steel	Steel	Steel / Stainless Steel	Stainless Steel	Stainless Steel	Steel	Steel	Steel	Steel / Stainless Steel	Steel	Plastic	Steel
Nominal of Thread (NPT/NPTF)	-	-	-	1 ～ 3/8	1 ～ 3/8	1/2 ～ 3/8	-	-	1 ～ 3/8	1/2 ～ 3/8	-	-
Plug Type	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug	Sunk Head Plug
Surface Treatment	Not Provided / Chromate / Bright Chrome Plating / Black Oxide / Dry Seal	Chromate / Black Oxide	Not Provided / Chromate / Nickel Plating / Black Oxide / Dacrotized	Black Oxide	Not Provided	Black Oxide	Black Oxide	Not Provided	Not Provided / Nickel Plating / Black Oxide	Black Oxide	Not Provided	Not Provided / Chromate