สกรู DIN931 , ISO4014

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สกรู DIN931 , ISO4014

NOTE : DIN931 , ISO4014
UNIT : Millimeter
T : Thread Lengths
T1 : L ≤ 125 mm.
T2 : 125 mm.< L ≤ 200 mm.
T3 : L > 200 mm.
* ISO Standards
Dimension Per : ASME B18.2.3M
MATERIAL :  4.6 , 8.8 , 10.9 , 12.9 , SS304 , SS310 , SS316
COATING : Black , Zinc Plain , HOT DIP GALVANIZED

สกรู DIN931 , ISO4014

NOTE : DIN931 , ISO4014
UNIT : Millimeter
T : Thread Lengths
T1 : L ≤ 125 mm.
T2 : 125 mm.< L ≤ 200 mm.
T3 : L > 200 mm.
* ISO Standards
Dimension Per : ASME B18.2.3M
MATERIAL :  4.6 , 8.8 , 10.9 , 12.9 , SS304 , SS310 , SS316
COATING : Black , Zinc Plain , HOT DIP GALVANIZED

 

DIN931, ISO4014 - CLASS 4.6, 8.8, 10.9, 12.9, SS304, SS310, SS316

d

Thread Pitch

K

S

b1

b2

b3

M6

1

4

10

18

24

-

M8

1.25

5.3

13

22

28

-

M10

1.5

6.4

17 16*

26

32

45

M12

1.75

7.5

19 18*

30

36

49

M14

2.0

10

24

38

44

57

M18

2.5

11.5

27

42

48

61

M20

2.5

12.5

30

46

52

65

M22

2.5

14

32 34*

50

56

69

M24

3.0

15

36

54

60

73

M27

3.0

17

41

60

66

79

 

d

Thread Pitch

K

S

b1

b2

b3

M30

3.5

18.7

46

66

72

85

M33

3.5

21

50

72

78

91

M36

4.0

22.5

55

78

84

97

M39

4.0

25

60

84

90

103

M42

4.5

26

65

90

96

109

M45

4.5

28

70

96

102

115

M48

5.0

30

75

102

8

121

M52

5.0

33

80

-

116

129

M56

5.5

35

85

-

124

137

M60

5.5

38

90

-

132

145

d

Thread Pitch

K

S

b1

b2

b3

M64

6.0

40

95

-

140

153

 

 

Mechanical Properties (Per ISO898) DIN931

Mechanical Properties

Mechanical Properties

Mechanical Properties

Mechanical Properties

Mechanical Properties

Mechanical Properties

Strength Class

4.6

8.8

8.8

10.9

12.9

Tensile Strength (N/mm2) min

400

d ≤ 16

d > 16

1000

1200

Tensile Strength (N/mm2) min

400

800

830

1000

1200

Hardness min

71 HRB

22 HRC

23 HRC

32 HRC

39 HRC

Hardness max

99.5 HRB

32 HRC

34 HRC

39 HRC

44 HRC

 

Classes & Materials DIN931

Classes

Materials

4.6

Carbon Steel

8.8

Carbon Steel

10.9

Alloy Steel

12.9

Alloy Steel

SS304

Stainless Steel AISI 304, SS304

SS310

Stainless Steel AISI 310, SS310

SS316

Stainless Steel AISI 316, SS316

 

Recommenced nuts and washers to use with DIN931 bolts

Classes

Nuts

Washers

4.6

DIN934 Nuts Class 4

Normal Washer

8.8

DIN934 Nuts Class 8

Normal Washer

10.9

DIN934 Nuts Class 10

Hardened Washer

12.9

DIN934 Nuts Class 12

Hardened Washer