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

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

Size (d)M12M16M20M22M24M27M30M36
Pitch1.7522.52.5333.54
b (l <=125)3038465054606678
b (125< l <=20044525660667284
b (l >200)656973798597
ds11.30-12.7015.30-16.7019.16-20.8421.16-22.8423.16-24.8426.16-27.8429.16-30.8435.00-37.00
e (min)23.9129.5635.0339.5545.2050.8555.3766.44
k (nom)7.51012.514151718.722.5
k7.05-7.959.25-10.7511.60-13.4013.10-14.9014.10-15.9016.10-17.9017.65-19.7521.45-23.55
s21.16-2226.16-2731.00-3235.0-3640.0-4145.0-4659.0-5058.8-60
All dimensions in millimetres