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AndFast Malaysia SDN BHD

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EN 14399-7: Basic countersunk bolt dimensions (HR CSK Bolts)

EN 14399 Part 7: Basic countersunk bolt dimensions (HR CSK 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
dk23.16-24.0031.16-32.0039-4043-4447-4853-5458.8-60.070.8-72.0
k (nom)8.0010.0013.0014.016.017.519.5023.00
k7.25-8.759.25-10.7512.1-13.913.1-14.915.1-16.916.6-18.418.45-20.5521.95-24.05
t3.0-4.53.0-4.53.5-5.03.5-5.03.5-5.03.5-5.04.0-5.54.0-5.5
i15.5-16.521.5-22.527.5-28.529.5-30.532.5-33.536.5-37.541.5-42.549.5-50.5
All dimensions in millimetres