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Home / Products / Other Fastneners / Pipe/Tube Screw & Nuts / DIN 906:2020 Internal Socket Pipe Plug

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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