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DIN 929:2013 Hex Weld Nut

DIN 929:2013 Hex Weld Nut adopts a hex weld nut structure to meet the needs of metal joints needing a welded internal thread with a common wrench-friendly outer shape.

The hex profile helps gripping and positioning, and after welding it provides a reliable threaded interface on sheet metal or frames, suitable for standardized production. 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 vehicle manufacturing, machinery housings, electrical boxes, steel brackets, and repair modification. Nut height, weld projection, material, and surface protection can be adjusted for the final application, balancing cost control, corrosion protection, and assembly consistency.

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Dimensions unit: inch 

Thread size

M3

M4

M5

M6

M8

M10

7/16
20 UNF-2B ①

7/16
20 UNF-2B ①

M12

(M14)

M16

P

Pitch

Coarse Teeth

0.5

0.7

0.8

1

1.25

1.5

/

/

1.75

2

2

Fine Thread 1

/

/

/

/

1

1.25

/

/

1.25

1.5

1.5

Fine Thread 2

/

/

/

/

/

1

*

*

1.5

/

/

b

Nominal

0.80

0.80

0.80

0.90

1.00

1.25

1.25

1.25

1.25

1.50

1.50

Max.

1.00

1.00

1.00

1.12

1.25

1.55

1.55

1.55

1.55

1.90

1.90

Min.

0.60

0.60

0.60

0.68

0.75

0.95

0.95

0.95

0.95

1.10

1.10

d1

Nominal  (d11)

4.50

6.00

7.00

8.00

10.50

12.50

12.50

13.50

14.80

16.80

18.80

Max.

4.47

5.97

6.96

7.96

10.45

12.45

12.45

13.45

14.75

16.75

18.735

Min.

4.395

5.895

6.87

7.87

10.34

12.34

12.34

13.34

14.64

16.64

18.605

d2

Min.=Nominal  (H13)

4.50

6.00

7.00

8.00

10.50

12.50

13.50

13.50

14.80

16.80

18.80

Max.

4.68

6.18

7.22

8.22

10.77

12.77

13.77

13.77

15.07

17.07

19.13

d3

Max.

3.15

4.2

5.25

6.3

8.4

10.5

11.7

11.7

12.6

14.7

16.8

e

Min.

8.15

9.83

10.95

12.02

15.38

18.74

18.74

20.91

20.91

24.27

26.51

h1

Max.

0.55

0.65

0.7

0.75

0.9

1.15

1.15

1.4

1.4

1.8

1.8

Min.

0.45

0.55

0.6

0.6

0.75

0.95

0.95

1.2

1.2

1.6

1.6

h2

Max.

0.25

0.35

0.4

0.4

0.5

0.65

0.65

0.8

0.8

1

1

Min.

0.15

0.25

0.3

0.3

0.35

0.5

0.45

0.6

0.6

0.8

0.8

m

Max.=Nominal  (h14)

3

3.5

4

5

6.5

8

10

10

10

11

13

Min.

2.75

3.2

3.7

4.7

6.14

7.64

9.64

9.64

9.64

10.57

12.57

s

Max.=Nominal  (h13)

7.5

9

10

11

14

17

17

19

19

22

24

Min.

7.28

8.78

9.78

10.73

13.73

16.73

16.73

18.67

18.67

21.67

23.67

Weight per thousand pieces (steel)≈kg

0.78

1.13

1.73

2.5

5.27

9.58

12

14

13.7

21.3

28.5

Guaranteed load(N)

Coarse Teeth

3800

6800

11000

15500

28300

44800

/

/

65300

89700

123000

Fine Thread 1

/

/

/

/

30200

47800

/

/

72100

97500

132000

Fine Thread 2

/

/

/

/

/

50200

53600

53600

68200

/

/

① Inches: 7/16-20 UNF-2B [ASME B 1.1]

② Material: Steel with a carbon content not exceeding 0.25%, other types of steel subject to agreement 

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