Wholesale DIN 906:2020 Internal Socket Pipe Plug

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DIN 906:2020 Internal Socket Pipe Plug

DIN 906:2020 Internal Socket Pipe Plug adopts an internal socket drive and tapered pipe thread to meet the needs of sealing and plugging openings in piping, valve bodies, or housings.

The tapered thread tightens progressively during installation to help create a reliable seal, while the recessed socket keeps the outside surface compact for limited-space or low-profile positions. Its advantages lie in a clear installation method, well-defined load path, and good adaptability across different materials and installation spaces.

This product is suitable for hydraulic systems, pneumatic components, pump and valve housings, lubrication passages, and industrial piping. Sealant, material, corrosion protection, and thread size can be adjusted for the final application, balancing cost control, corrosion protection, and assembly consistency.

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Dimensions unit: inch 

Thread size d

M6

M8

M10
1/8

M12

1/4

M14

M16

3/8

M18

M20

1/2

M22

M24

P

Pitch

1

1

1

1.5

-

1.5

1.5

-

1.5

1.5

-

1.5

1.5

Pitch

-

-

-

-

-

-

-

-

-

-

-

-

-

d

Pipe thread/R

-

-

R 1/8

-

R 1/4

-

-

R 3/8

-

-

R 1/2

-

-

L

Nominal (js16)

6

8

8

10

10

10

10

10

10

10

10

10

12

Max.

6.375

8.45

8.45

10.45

10.45

10.45

10.45

10.45

10.45

10.45

10.45

10.45

12.55

Min.

5.625

7.55

7.55

9.55

9.55

9.55

9.55

9.55

9.55

9.55

9.55

9.55

11.45

e

Min.

3.443

4.583

5.723

6.863

8.009

8.009

9.149

9.149

9.149

11.429

11.429

11.429

13.716

s

Nominal (D12)

3

4

5

6

7

7

8

8

8

10

10

10

12

Max.

3.08

4.095

5.14

6.14

7.175

7.175

8.175

8.175

8.175

10.175

10.175

10.175

12.212

Min.

3.02

4.02

5.02

6.02

7.025

7.025

8.025

8.025

8.025

10.025

10.025

10.025

12.032

t1

Min.

3

4

4

5

5

5

5

5

5

5

5

5

6

Slot number

Reference DIN EN ISO 10664

-

25

30

40

40

45

50

50

50

55

55

55

60

A

Reference DIN EN ISO 10664

-

4.5

5.6

6.75

6.75

7.93

8.95

8.95

8.95

11.35

11.35

11.35

13.45

B

Reference DIN EN ISO 10664

-

3.25

4.05

4.85

4.85

5.64

6.45

6.45

6.45

8.05

8.05

8.05

9.6

t2

Min.

-

2

2.5

2.7

2.7

2.9

3.7

3.7

3.7

4.6

4.6

5.4

6.4

Slot number

Reference DIN 34824

-

N5

N6

N8

N8

N8

N10

N10

N10

N12

N12

N14

N16

c

Reference DIN 34824

Min.

-

4.86

6.06

7.28

7.28

7.28

9.69

9.69

9.69

11.51

11.51

13.32

15.73

Max.

-

4.94

6.16

7.4

7.4

7.4

9.84

9.84

9.84

11.7

11.7

13.54

15.99

t3

Min.

-

2

2.5

2.9

2.9

2.9

3.7

3.7

3.7

4.6

4.6

5.4

6.4

w

Min.

1.8

1.8

1.8

2

2

2

2

2

2

2

2

2

2

Weight per thousand pieces kg

0.85

2.1

3.4

6.1

7

8.1

11

12.2

14.6

17.6

19

22

30.8

   

Thread sized

M26

M27
3/4

M30

M33
1

M36

M38

M39

M42
1-1/4

M45

M48
1-1/2

M52

M56

M60

P

Pitch

1.5

-

1.5

-

1.5

1.5

-

1.5

1.5

1.5

1.5

-

-

Pitch

-

2

2

2

2

-

2

2

2

2

2

2

2

d

Pipe thread/R

-

R 3/4

-

R 1

-

-

-

R 1-1/4

-

R 1-1/2

-

-

-

L

Nominal (js16)

12

12

12

12

15

15

15

18

18

20

20

22

22

Max.

12.55

12.55

12.55

12.55

15.55

15.55

15.55

18.55

18.55

20.65

20.65

22.65

22.65

Min.

11.45

11.45

11.45

11.45

14.45

14.45

14.45

17.45

17.45

19.35

19.35

21.35

21.35

e

Min.

13.716

13.716

19.437

19.437

21.734

21.734

21.734

25.154

25.154

27.434

27.434

36.571

36.571

s

Nominal (D12)

12

12

17

17

19

19

19

22

22

24

24

32

32

Max.

12.212

12.212

17.23

17.23

19.275

19.275

19.275

22.275

22.275

24.275

24.275

32.33

32.33

Min.

12.032

12.032

17.05

17.05

19.065

19.065

19.065

22.065

22.065

24.065

24.065

32.08

32.08

t1

Min.

6

6

6

6

7.5

7.5

7.5

11.5

11.5

11.5

11.5

13

13

Slot number

Reference DIN EN ISO 10664

60

60

80

80

-

-

-

-

-

-

-

-

-

A

Reference DIN EN ISO 10664

13.45

13.45

17.75

17.75

-

-

-

-

-

-

-

-

-

B

Reference DIN EN ISO 10664

9.6

9.6

12.8

12.8

-

-

-

-

-

-

-

-

-

t2

Min.

6.4

6.4

7.3

7.3

-

-

-

-

-

-

-

-

-

Slot number

Reference DIN 34824

N16

N16

N18

N18

-

-

-

-

-

-

-

-

-

c

Reference DIN 34824

Min.

15.73

15.73

16.94

16.94

-

-

-

-

-

-

-

-

-

Max.

15.99

15.99

17.18

17.18

-

-

-

-

-

-

-

-

-

t3

Min.

6.4

6.4

7.3

7.3

-

-

-

-

-

-

-

-

-

w

Min.

2

2

2

2

3

3

3

3

3

4

4

4

4

Weight per thousand pieces kg

38.6

40.2

44

57.5

85.2

94.4

103

135

167

214

253

274

350

① e min ≈ 1.14 s min

② DIN 158-1: Metric external tapered thread and mating cylindrical internal thread

DIN 3858: Whitworth pipe threads for pipe clamps, parallel internal threads and tapered external threads 

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FAQ

Frequently Asked Questions

  • 1. How soon can I expect a reply after sending an inquiry?

    A: We take every inquiry seriously. On working days, we will respond within 12 hours after receiving your inquiry.

  • 2. What products do you mainly offer?

    A: We focus on the production of fasteners made of carbon steel, stainless steel, and low-alloy steel. We are a direct manufacturer with independent production capacity. DIN 906:2020 Internal Socket Pipe Plug Factory. We own several fastener manufacturing facilities and have an international sales department, providing full-process services from production to export.

  • 3. Do you support customized production?

    A: Customized production is our core business. We can develop and manufacture products based on the drawings or samples you provide.

  • 4. Do you produce standard parts?

    A: Yes. In addition to custom products, we also produce general construction machinery parts (GET parts) for equipment such as excavators, including bucket teeth, tooth holders, corner blades, pins, clips, bolts and nuts. DIN 906:2020 Internal Socket Pipe Plug Wholesale.

  • 5. What is your production capacity?

    A: We have 12 energy-efficient and environmentally friendly modern production lines (including one fully automatic shell molding line and four heat treatment lines), with an annual production capacity exceeding 20,000 tons, enabling us to steadily meet various order requirements.

  • 6. What are your payment terms?

    A: Trade terms (such as FOB, CIF, etc.) are confirmed when quoting. For batch production, we typically require a 30% deposit, with the balance paid against the copy of the bill of lading. T/T is the main payment method accepted, and L/C can also be negotiated.

  • 7. How is the shipment arranged?

    A: We are only 35 km away from Shanghai Port and Ningbo Port, so sea freight is the main mode of transportation, which is convenient and efficient. For urgent deliveries, we can also arrange air freight via Ningbo or Shanghai airports.

Better Fastener Industry Co., Ltd.

About Us

BETTER FASTENER INDUSTRY CO., LTD.

Better Fastener is a professional fastener enterprise specializing in the manufacturing of steel washers, stainless steel washers, spring washers and sealingwashers. Founded in 2001 as a washer factory, the company expanded into a comprehensive enterprise integrating washers, nuts, bolts, spring nuts and other fastener products in 2010. DIN 906:2020 Internal Socket Pipe Plug Suppliers in China.

The company positions itself as a provider of comprehensive one-stop services for customers, relying on technological R&D, industrial investment and trade distribution.

With an experienced professional team and a sound sales network, Better Fastener has achieved excellent sales performance in both domestic and foreign markets,and has grown into one of the competitive manufacturers and suppliers in China's industrial fastener industry.

Better Fastener is committed to becoming a trusted fastener supplier for customers with reliable product quality, reasonable prices and on-time delivery

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