Hex Flange Bolt Din 6921 Class 8.8 Full Thread Zinc Plated

FLANGE BOLT DIN 6921 is a high-quality fastener designed to provide a secure and reliable connection in various industrial settings. This bolt is made from premium-grade materials that ensure its durability and strength, enabling it to withstand heavy loads and extreme temperature conditions. The flange head is designed to distribute the load evenly, providing a strong and secure grip while preventing damage to the underlying surface. With its precision engineering and high-quality finish, FLANGE BOLT DIN 6921 is a versatile and reliable fastener that can be used in a wide range of applications, including construction, manufacturing, and automotive industries.

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,
Flange Bolt Din 6921 is a high-quality fastener designed to create a strong and reliable connection between two objects. The bolt features a flanged head, which distributes the load pressure over a larger surface area, reducing the chances of damage or deformation. This design also makes the bolt suitable for use in applications that require moderate high-torque applications. Made from premium quality materials, the Flange Bolt Din 6921 is highly resistant to corrosion, abrasion, and other forms of wear and tear. It is available in a wide range of sizes, enabling it to fit perfectly in different types of assemblies, machines, and equipment. The bolt is also easy to install and requires minimal maintenance, making it an ideal choice for heavy-duty operations. Its superior strength and durability make it suitable for use in various industries, including construction, manufacturing, and automotive. In conclusion, the Flange Bolt Din 6921 is a versatile fastener that offers exceptional performance and reliability. It is an essential component in any assembly or machine that requires durable and secure connections. Whether you need it for simple DIY projects or large-scale industrial operations, this bolt is an excellent choice for all your fastening needs.

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