Dimensions mm · values as the standard states them Size P ds dk b 125 < l ≤ 200 b l > 200 b l ≤ 125 r f v M6 1 5.52 – 6
15.45 – 16.55
24
—
18
≤ 0.9
6.55 – 7.45
5.52 – 6.48
M8 1.25 7.42 – 8
19.35 – 20.65
28
41
22
≤ 1.2
8.55 – 9.45
7.42 – 8.58
M10 1.5 9.42 – 10
23.35 – 24.65
32
45
26
≤ 1.5
9.45 – 11.55
9.42 – 10.58
Ranges read min – max; ≤ / ≥ where the standard gives one limit, ≈ for approximate values. Sizes in (brackets) are non-preferred. Select a row for its size sheet.
Length tolerances 30 28.95 – 31.05
35 33.75 – 36.25
40 38.75 – 41.25
45 43.75 – 46.25
50 48.75 – 51.25
55 53.5 – 56.5
60 58.5 – 61.5
65 63.5 – 66.5
70 68.5 – 71.5
80 78.5 – 81.5
90 88.75 – 91.75
100 98.25 – 101.75
Size sheet · DIN 605
M6
ds shank diameter 5.52 – 6
dk head diameter 15.45 – 16.55
b thread length (125 < l ≤ 200) 24
b thread length (l ≤ 125) 18
r fillet radius ≤ 0.9
f height squared 6.55 – 7.45
v width of the square 5.52 – 6.48 Thread · ISO 261/262
Pitch P 1
d2 5.35
d3 4.773
Tap drill 5
Stress area As 20.12 mm² Standard lengths
30 · 35 · 40 · 45 · 50 · 55 · 60
Size sheet · DIN 605
M8
ds shank diameter 7.42 – 8
dk head diameter 19.35 – 20.65
b thread length (125 < l ≤ 200) 28
b thread length (l > 200) 41
b thread length (l ≤ 125) 22
r fillet radius ≤ 1.2
f height squared 8.55 – 9.45
v width of the square 7.42 – 8.58 Thread · ISO 261/262
Pitch P 1.25
d2 7.188
d3 6.466
Tap drill 6.75
Stress area As 36.61 mm² Standard lengths
30 · 35 · 40 · 45 · 50 · 55 · 60 · 65 · 70 · 80
Size sheet · DIN 605
M10
ds shank diameter 9.42 – 10
dk head diameter 23.35 – 24.65
b thread length (125 < l ≤ 200) 32
b thread length (l > 200) 45
b thread length (l ≤ 125) 26
r fillet radius ≤ 1.5
f height squared 9.45 – 11.55
v width of the square 9.42 – 10.58 Thread · ISO 261/262
Pitch P 1.5
d2 9.026
d3 8.16
Tap drill 8.5
Stress area As 57.99 mm² Standard lengths
40 · 45 · 50 · 55 · 60 · 65 · 70 · 80 · 90 · 100
Provenance
Draft — values taken from a single source and not yet cross-checked.
fasteners.eu dimensions, lengths, materials, property classes, current norm, equivalent norms Accessed 2026-09-23 · For design and safety-critical use, consult the current edition of the standard.