BS EN 14399-3 Basic bolt dimensions (HR Bolts)

BS EN 14399 Part 3: Basic bolt dimensions (HR Bolts)

Size
(d)
M12 M16 M20 M22 M24 M27 M30 M36
Pitch 1.75 2 2.5 2.5 3 3 3.5 4
b
(l <=125)
30 38 46 50 54 60 66 78
b
(125< l <=200
44 52 56 60 66 72 84
b
(l >200)
65 69 73 79 85 97
ds 11.30-12.70 15.30-16.70 19.16-20.84 21.16-22.84 23.16-24.84 26.16-27.84 29.16-30.84 35.00-37.00
e
(min)
23.91 29.56 35.03 39.55 45.20 50.85 55.37 66.44
k
(nom)
7.5 10 12.5 14 15 17 18.7 22.5
k 7.05-7.95 9.25-10.75 11.60-13.40 13.10-14.90 14.10-15.90 16.10-17.90 17.65-19.75 21.45-23.55
s 21.16-22 26.16-27 31.00-32 35.0-36 40.0-41 45.0-46 59.0-50 58.8-60
Dimensions in millimetres

Whilst the information is provided in good faith, Andrews Fasteners Ltd are not under any responsibility or liability in respect of errors or information that was found to be incorrect or for any reliance the user may place on it.

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