HEXAGON HEAD BOLTS

DIN 931

Grades A and B

mm

Thread size

 M4 M5 M6 M8 M10 M12 M14

Pitch

 0.7 0.8 1 1.25 1.5 1.75 2
b L¡Ü125 14 16 18 22 26 30 34
125 < L¡Ü200 -- 22 24 28 32 36 40
L > 200 -- -- -- -- 45 49 53

K

 2.8 3.5 4 5.3 6.4 7.5 8.8
e

A

 7.66 8.79 11.05 14.38 18.9 21.1 24.49

B

 -- 8.63 10.89 14.20 18.72 20.88 23.91

S

 7 8 10 13 17 19 22

L

 25-40 25-40 30-60 35-80 40-100 45-120 50-140

Thread size

 M16 M18 M20 M22 M24 M27 M30

Pitch

 2 2.5 2.5 2.5 3 3 3.5
b L¡Ü125 38 42 46 50 54 60 66
125 < L¡Ü200 44 48 52 56 60 66 72
L >200 57 61 65 69 73 79 85

K

 10 11.5 12.5 14 15 17 18.7
e

A

 26.75 30.14 33.53 35.72 39.98 45.2 50.85

B

 26.17 29.56 32.95 35.03 39.55 45.2 50.85

S

 24 27 30 32 36 41 46

L

 55-160 65-180 65-200 70-220 80-240 90-260 90-300

HEXAGON BOLTS WITH HEXAGON NUTS

DIN 933

Grades A and B

Thread size

 M4 M5 M6 M8 M10 M12 M14

Pitch

 0.7 0.8 1 1.25 1.5 1.75 2
K 2.8 3.5 4 5.3 6.4 7.5 8.8
e

A

7.66 8.79 11.05 14.38 18.9 21.1 24.49

B

 -- 8.63 10.89 14.2 18.72 20.88 23.91

S

 7 8 10 13 17 19 22

L

 8-40 8-40 8-50 12-60 16-60 20-80 25-80

Thread size

 M16 M18 M20 M22 M24 M27 M30

Pitch

 2 2.5 2.5 2.5 3 3 3.5
K 10 11.5 12.5 14 15 17 18.7
e

A

26.75 30.14 33.53 35.72 35.98 45.2 50.85

B

 26.17 29.56 32.95 35.03 39.55 45.2 50.85

S

 24 27 30 32 36 41 46

L

 30-100 30-100 40-100 50-100 50-100 60-100 70-100

HEXAGON SOCKET HEAD CAP SCREWS

DIN 912

Thread size M5 M6 M8 M10 M12 M16 M20 M24 M30 M36
Patch 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2 2.5
dk 5.32 6.78 8.28 9.78 12.73 15.73 17.73 20.67 23.67 29.67
ds 3 4 5 6 8 10 12 14 16 20
k 2.86 3.82 4.82 5.7 7.64 9.64 11.57 13.57 15.57 19.48
e 2.87 3.44 4.58 5.72 6.86 9.15 11.43 13.72 16 19.44
S 2.5 3 4 5 6 8 10 12 14 17
L 5-30 6-40 8-50 10-60 12-80 16-100 20-120 25-140 25-160 30-200

HEXAGON HEAD BOLTS

DIN 601

Grade C

mm

Thread size

 M5 M6 M8 M10 M12 M16 M20 M24 M27 M30 M36

Pitch

 0.8 1 1.25 1.5 1.75 2 2.5 3 3 3.5 4
b L¡Ü125 16 18 22 26 30 38 46 54 60 66 78
125<L¡Ü200 22 24 28 32 36 44 52 60 66 72 84
L > 200 35 37 41 45 49 57 65 73 79 85 97

K

 3.5 4 5.3 6.4 7.5 10 12.5 15 17 18.7 22.5
e 8.63 10.89 14.2 18.72 20.88 26.17 32.95 39.55 45.2 50.85 60.79

S

 8 10 13 17 19 24 30 36 41 46 55

L

 25-50 30-60 35-80 40-100 45-120 55-160 65-200 80-240 90-300 90-300 110-300

HEXAGON HEAD SCREWS

DIN 558

Grade C

mm
Thread size M5 M6 M8 M10 M12 M16 M20 M24 M30 M36
Patch 0.8 1 1.25 1.5 1.75 2 2.5 3 3.5 4
K 3.5 4 5.3 6.4 7.5 10 12.5 15 18.7 22.5
e 8.63 10.89 14.2 18.72 20.88 26.17 32.95 39.55 50.85 60.79
S 8 10 13 17 19 24 30 36 46 55
L 10-40 12-50 16-65 16-80 20-100 25-100 30-100 35-100 40-100 50-100

HEXAGON HEAD BOLTS

ISO 4014

mm

Thread size M10 M12 M14
Pitch 1.5 1.75 2
b L¡Ü125 26 30 34
125 < L¡Ü200 32 36 40
K 6.4 7.5 8.8
e L¡Ü10d or 150 17.77 20.03 23.35
L >10d or 150 17.59 19.85 22.78
S 16 18 21
L 40-100 45-120 50-140
Remark: The outside dimensions of bolts M4,5,6,8,16,20,24,30 are equal to those of DIN 931

HEXAGON HEAD SCREWS

ISO 4017

mm
Thread size M16 M18 M20
Pitch 1.5 1.75 2
K 6.4 7.5 8.8
e L¡Ü10d 18.90 21.10 24.49
L >10d 18.72 20.52 23.91
S 16 19 22
L 20-60 25-80 30-80
Remark: The outside dimensions of bolts M4,5,6,8,16,20,24,30 are equal to those of DIN 933

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