Hex Bolt Din 931 / ISO4014 CL 8.8

HEX BOLT DIN 931 CL 8.8 is a high-quality and durable bolt designed to withstand heavy duty applications. Made from premium materials, this bolt is capable of providing exceptional strength and reliability, ensuring your projects are secure and stable. With its unique hexagonal shape, this bolt is easy to handle and install, making it an ideal choice for construction, automotive, and machinery applications. The DIN 931 standard ensures compatibility with other components, making it easy to incorporate into your assembly or retrofitting projects. Overall, this HEX BOLT DIN 931 CL 8.8 is an ideal choice for any project that requires a secure and reliable fastener.
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Products Details

Screw Thread d

M1.6

M2

M2.5

M3

(M3.5)

M4

M5

M6

(M7)

M8

M10

M12

P

Pitch

0.35

0.4

0.45

0.5

0.6

0.7

0.8

1

1

1.25

1.5

1.75

b

L≤125

9

10

11

12

13

14

16

18

20

22

26

30

125＜L≤200

15

16

17

18

19

20

22

24

26

28

32

36

L＞200

28

29

30

31

32

33

35

37

39

41

45

49

c

max

0.25

0.25

0.25

0.4

0.4

0.4

0.5

0.5

0.6

0.6

0.6

0.6

min

0.1

0.1

0.1

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

0.15

da

max

2

2.6

3.1

3.6

4.1

4.7

5.7

6.8

7.8

9.2

11.2

13.7

ds

max=nominal size

1.6

2

2.5

3

3.5

4

5

6

7

8

10

12

Grade A

min

1.46

1.86

2.36

2.86

3.32

3.82

4.82

5.82

6.78

7.78

9.78

11.73

Grade B

min

1.35

1.75

2.25

2.75

3.2

3.7

4.7

5.7

6.64

7.64

9.64

11.57

dw

Grade A

min

2.54

3.34

4.34

4.84

5.34

6.2

7.2

8.88

9.63

11.63

14.63

16.63

Grade B

min

2.42

3.22

4.22

4.72

5.22

6.06

7.06

8.74

9.47

11.47

14.47

16.47

e

Grade A

min

3.41

4.32

5.45

6.01

6.58

7.66

8.79

11.05

12.12

14.38

17.77

20.03

Grade B

min

3.28

4.18

5.31

5.88

6.44

7.5

8.63

10.89

11.94

14.2

17.59

19.85

L1

max

0.6

0.8

1

1

1

1.2

1.2

1.4

1.4

2

2

3

k

Nominal Size

1.1

1.4

1.7

2

2.4

2.8

3.5

4

4.8

5.3

6.4

7.5

Grade A

max

1.225

1.525

1.825

2.125

2.525

2.925

3.65

4.15

4.95

5.45

6.58

7.68

min

0.975

1.275

1.575

1.875

2.275

2.675

3.35

3.85

4.65

5.15

6.22

7.32

Grade B

max

1.3

1.6

1.9

2.2

2.6

3

3.74

4.24

5.04

5.54

6.69

7.79

min

0.9

1.2

1.5

1.8

2.2

2.6

3.26

3.76

4.56

5.06

6.11

7.21

k1

Grade A

min

0.68

0.89

1.1

1.31

1.59

1.87

2.35

2.7

3.26

3.61

4.35

5.12

Grade B

min

0.63

0.84

1.05

1.26

1.54

1.82

2.28

2.63

3.19

3.54

4.28

5.05

r

min

0.1

0.1

0.1

0.1

0.1

0.2

0.2

0.25

0.25

0.4

0.4

0.6

s

max=nominal size

3.2

4

5

5.5

6

7

8

10

11

13

16

18

Grade A

min

3.02

3.82

4.82

5.32

5.82

6.78

7.78

9.78

10.73

12.73

15.73

17.73

Grade B

min

2.9

3.7

4.7

5.2

5.7

6.64

7.64

9.64

10.57

12.57

15.57

17.57

Length of Thread b

-

-

-

-

-

-

-

-

-

-

-

-

Screw Thread d

(M14)

M16

(M18)

M20

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

M42

P

Pitch

2

2

2.5

2.5

2.5

3

3

3.5

3.5

4

4

4.5

b

L≤125

34

38

42

46

50

54

60

66

72

-

-

-

125＜L≤200

40

44

48

52

56

60

66

72

78

84

90

96

L＞200

53

57

61

65

69

73

79

85

91

97

103

109

c

max

0.6

0.8

0.8

0.8

0.8

0.8

0.8

0.8

0.8

0.8

1

1

min

0.15

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.2

0.3

0.3

da

max

15.7

17.7

20.2

22.4

24.4

26.4

30.4

33.4

36.4

39.4

42.4

45.6

ds

max=nominal size

14

16

18

20

22

24

27

30

33

36

39

42

Grade A

min

13.73

15.73

17.73

19.67

21.67

23.67

-

-

-

-

-

-

Grade B

min

13.57

15.57

17.57

19.48

21.48

23.48

26.48

29.48

32.38

35.38

38.38

41.38

dw

Grade A

min

19.64

22.49

25.34

28.19

31.71

33.61

-

-

-

-

-

-

Grade B

min

19.15

22

24.85

27.7

31.35

33.25

38

42.75

46.55

51.11

55.86

59.95

e

Grade A

min

23.36

26.75

30.14

33.53

37.72

39.98

-

-

-

-

-

-

Grade B

min

22.78

26.17

29.56

32.95

37.29

39.55

45.2

50.85

55.37

60.79

66.44

71.3

L1

max

3

3

3

4

4

4

6

6

6

6

6

8

k

Nominal Size

8.8

10

11.5

12.5

14

15

17

18.7

21

22.5

25

26

Grade A

max

8.98

10.18

11.715

12.715

14.215

15.215

-

-

-

-

-

-

min

8.62

9.82

11.285

12.285

13.785

14.785

-

-

-

-

-

-

Grade B

max

9.09

10.29

11.85

12.85

14.35

15.35

17.35

19.12

21.42

22.92

25.42

26.42

min

8.51

9.71

11.15

12.15

13.65

14.65

16.65

18.28

20.58

22.08

24.58

25.58

k1

Grade A

min

6.03

6.87

7.9

8.6

9.65

10.35

-

-

-

-

-

-

Grade B

min

5.96

6.8

7.81

8.51

9.56

10.26

11.66

12.8

14.41

15.46

17.21

17.91

r

min

0.6

0.6

0.6

0.8

0.8

0.8

1

1

1

1

1

1.2

s

max=nominal size

21

24

27

30

34

36

41

46

50

55

60

65

Grade A

min

20.67

23.67

26.67

29.67

33.38

35.38

-

-

-

-

-

-

Grade B

min

20.16

23.16

26.16

29.16

33

35

40

45

49

53.8

58.8

63.1

Length of Thread b

-

-

-

-

-

-

-

-

-

-

Screw Thread d

(M45)

M48

(M52)

M56

(M60)

M64

P

Pitch

4.5

5

5

5.5

5.5

6

b

L≤125

-

-

-

-

-

-

125＜L≤200

102

108

116

-

-

-

L＞200

115

121

129

137

145

153

c

max

1

1

1

1

1

1

min

0.3

0.3

0.3

0.3

0.3

0.3

da

max

48.6

52.6

56.6

63

67

71

ds

max=nominal size

45

48

52

56

60

64

Grade A

min

-

-

-

-

-

-

Grade B

min

44.38

47.38

51.26

55.26

59.26

63.26

dw

Grade A

min

-

-

-

-

-

-

Grade B

min

64.7

69.45

74.2

78.66

83.41

88.16

e

Grade A

min

-

-

-

-

-

-

Grade B

min

76.95

82.6

88.25

93.56

99.21

104.86

L1

max

8

10

10

12

12

13

k

Nominal Size

28

30

33

35

38

40

Grade A

max

-

-

-

-

-

-

min

-

-

-

-

-

-

Grade B

max

28.42

30.42

33.5

35.5

38.5

40.5

min

27.58

29.58

32.5

34.5

37.5

39.5

k1

Grade A

min

-

-

-

-

-

-

Grade B

min

19.31

20.71

22.75

24.15

26.25

27.65

r

min

1.2

1.6

1.6

2

2

2

s

max=nominal size

70

75

80

85

90

95

Grade A

min

-

-

-

-

-

-

Grade B

min

68.1

73.1

78.1

82.8

87.8

92.8

Length of Thread b

-

-

-

-

-

-

Products name HEX BOLT DIN 931/ISO4014 half thread
Standard DIN,ASTM/ANSI JIS EN ISO,AS,GB
Grade Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,A325,A490,
Finishing Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
Production Process M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener
Customized Products Lead time 30-60days,
Hex Bolt Din 931 / ISO4014 CL 8.8 is a high-strength fastener that is well-suited for use in a variety of applications. With its durable construction and reliable performance, this bolt is ideal for use in heavy-duty machinery, construction equipment, and other demanding environments where strength and durability are essential. Constructed from top-quality materials, Hex Bolt Din 931 / ISO4014 CL 8.8 is designed to withstand heavy loads, high pressures, and extreme temperatures. Featuring a hexagonal head that allows for easy tightening and loosening, this bolt is also easy to install and remove – making it a versatile and cost-effective choice for a wide variety of applications. In addition to its strength and durability, Hex Bolt Din 931 / ISO4014 CL 8.8 is also corrosion-resistant, ensuring long-lasting performance in even the harshest environments. With its high-tensile strength and anti-corrosion properties, this bolt is an excellent choice for use in marine, oil and gas, and other corrosive environments. Whether you are constructing a new building, repairing industrial machinery, or performing routine maintenance on your equipment, Hex Bolt Din 931 / ISO4014 CL 8.8 is the ideal fastener for the job. With its superior strength, durability, and corrosion-resistance, this bolt is sure to provide reliable and long-lasting performance in even the most challenging working conditions. So why wait? Whether you are a professional mechanic or a DIY enthusiast, be sure to add Hex Bolt Din 931 / ISO4014 CL 8.8 to your toolbox today and experience the benefits of high-strength fastening for yourself!

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