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Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide – Hongji

Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide – Hongji

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Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide – Hongji Detail:

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DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide
DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide5

d

M1.4

M1.6

M2

M2.5

M3

M4

M5

M6

M8

M10

M12

(M14)

M16

(M18)

M20

P

Coarse thread

0.3

0.35

0.4

0.45

0.5

0.7

0.8

1

1.25

1.5

1.75

2

2

2.5

2.5

Fine thread

/

/

/

/

/

/

/

/

1

1.25

1.5

1.5

1.5

2

2

Very Fine thread

/

/

/

/

/

/

/

/

/

1

1.25

/

/

1.5

1.5

b

Reference value

14

15

16

17

18

20

22

24

28

32

36

40

44

48

52

dk

Max (Smooth)

2.6

3

3.8

4.5

5.5

7

8.5

10

13

16

18

21

24

27

30

Max (Knurl*)

2.74

3.14

3.98

4.68

5.68

7.22

8.72

10.22

13.27

16.27

18.27

21.33

24.33

27.33

30.33

Min

2.46

2.86

3.62

4.32

5.32

6.78

8.28

9.78

12.73

15.73

17.73

20.67

23.67

26.67

29.67

ds

Max

1.4

1.6

2

2.5

3

4

5

6

8

10

12

14

16

18

20

Min

1.26

1.46

1.86

2.36

2.86

3.82

4.82

5.82

7.78

9.78

11.73

13.73

15.73

17.73

19.67

k

Max

1.4

1.6

2

2.5

3

4

5

6

8

10

12

14

16

18

20

Min

1.26

1.46

1.86

2.36

2.86

3.82

4.82

5.7

7.64

9.64

11.57

13.57

15.57

17.57

19.48

s

Nominal

1.3

1.5

1.5

2

2.5

3

4

5

6

8

10

12

14

14

17

Min

1.32

1.52

1.52

2.02

2.52

3.02

4.02

5.02

6.02

8.025

10.025

12.032

14.032

14.032

17.05

Max

1.36

1.56

1.56

2.06

2.58

3.08

4.095

5.14

6.14

8.175

10.175

12.212

14.212

14.212

17.23

t

Min

0.6

0.7

1

1.1

1.3

2

2.5

3

4

5

6

7

8

9

10

Thread length=b

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

d

(M22)

M24

(M27)

M30

(M33)

M36

M42

M48

M56

M64

M72

M80

M90

M100

P

Coarse thread

2.5

3

3

3.5

3.5

4

4.5

5

5.5

6

6

6

6

6

Fine thread

2

2

2

2

2

3

3

3

4

4

4

4

4

4

Very Fine thread

1.5

/

/

/

/

/

/

/

/

/

/

/

/

/

b

Reference value

56

60

66

72

78

84

96

108

124

140

156

172

192

212

dk

Max (Smooth)

33

36

40

45

50

54

63

72

84

96

108

120

135

150

Max (Knurl*)

33.39

36.39

40.39

45.39

50.39

54.46

63.46

72.46

84.54

96.54

108.54

120.54

135.63

150.63

Min

32.61

35.61

39.61

44.61

49.61

53.54

62.54

71.54

83.46

95.46

107.46

119.46

134.37

149.37

ds

Max

22

24

27

30

33

36

42

48

56

64

72

80

90

100

Min

21.67

23.67

26.67

29.67

32.61

35.61

41.61

47.61

55.54

63.54

71.54

79.54

89.46

99.46

k

Max

22

24

27

30

33

36

42

48

56

64

72

80

90

100

Min

21.48

23.48

26.48

29.48

32.38

35.38

41.38

47.38

56.26

63.26

71.26

79.26

89.13

99.13

s

Nominal

17

19

19

22

24

27

32

36

41

46

55

65

75

85

Min

17.05

19.065

19.065

22.065

24.065

27.065

32.08

36.08

41.08

46.08

55.1

65.1

75.1

85.12

Max

17.23

19.275

19.275

22.275

24.275

27.275

32.33

36.33

41.33

46.33

55.4

65.4

75.4

85.47

t

Min

11

12

13.5

15.5

18

19

24

28

34

38

43

48

54

60

Thread length=b

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Detail drawing

DIN912 Hex Socket Cup01
DIN912 Hex Socket Cup02
DIN912 Hex Socket Cup03
DIN912 Hex Socket Cup04

The hexagon socket head bolts are classified according to the hardness, tensile strength, yield strength, etc. of the screw wire, that is, the level of the hexagon socket head bolts, and what level the hexagon socket head bolts are. Different product materials are required to have different grades of hexagon socket head cap bolts corresponding to them. All hexagon socket head cap bolts have the following grades:

Hexagon socket head bolts are divided into ordinary and high-strength according to the strength of the grade. Ordinary hexagon socket head bolts refer to grade 4.8, and high-strength socket head bolts refer to grades 8.8 and above, including grades 10.9 and 12.9. Grade 12.9 hexagon socket head cap screws generally refer to knurled, natural black hexagon socket head cap screws with oil.

The performance grades of hexagon socket head cap bolts for steel structure connection are divided into more than 10 grades, such as 3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9, etc. Among them, the bolts of grade 8.8 and above are made of low-carbon alloy steel or medium-carbon steel. After heat treatment (quenching and tempering), they are generally called high-strength bolts, and the rest are generally called ordinary bolts. The bolt performance grade label consists of two parts of numbers, which represent the nominal tensile strength value and yield ratio of the bolt material respectively.

Packing

The packaging of the socket head cap screws is the box and the outer box by default.

Packaging and delivery
Packaging and delivery1
Packaging and delivery2
Packaging and delivery4
Packaging and deliver3
Packaging and delivery3

About us

Yongnian Hongji
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Product detail pictures:

Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide  –  Hongji detail pictures

Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide  –  Hongji detail pictures

Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide  –  Hongji detail pictures

Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide  –  Hongji detail pictures

Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide  –  Hongji detail pictures


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We've been committed to offering easy,time-saving and money-saving one-stop purchasing support of consumer for Good quality Stainless Steel Hex Flange Bolt - DIN912 Hex Socket Cup Head Screw Grade 12.9 Black Oxide – Hongji , The product will supply to all over the world, such as: Pakistan, Italy, Nicaragua, Our expert engineering team will generally be prepared to serve you for consultation and feedback. We are able to also offer you with free of charge samples to meet your requirements. Best efforts will likely be produced to provide you the best service and merchandise. When you are keen on our business and products, please speak to us by sending us emails or call us quickly. In an effort to know our products and company extra, you may come to our factory to view it. We will generally welcome guests from all over the world to our business to create business relations with us. Please feel cost-free to speak to us for small business and we believe we'll share the best trading experience with all our merchants.
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