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Metric Heavy Hex Head Flange Screws (SAE J1199 / ASTM F568M / F738M / F468M)

ASME B 18.2.3.9M - 2001

Display drawing:

Screw Thread M5 M6 M8 M10 M12 M14 M16 M20
Thread Size M5 M6 M8 M10 M12 M14 M16 M20
D 5 6 8 10 12 14 16 20
P 0.8 1 1.25 1.5 1.75 2 2 2.5
Ds Max 5 6 8 10 12 14 16 20
Ds Min 4.82 5.82 7.78 9.78 11.73 13.73 15.73 19.67
S Max 8 10 13 15 18 21 24 30
S Min 7.64 9.64 12.57 14.57 17.57 20.16 23.16 29.16
E Max 9.24 11.55 15.01 17.32 20.78 24.25 27.71 34.64
E Min 8.56 10.8 14.08 16.32 19.68 22.58 25.94 32.66
Dc Max 11.8 14.2 18 22.3 26.6 30.5 35 43
C_Min 1 1.1 1.2 1.5 1.8 2.1 2.4 3
K Max 5.8 6.6 8.1 10.4 11.8 13.7 15.4 18.9
B L≤125 16 18 22 26 30 34 38 46
B 125<L≤200 22 24 28 32 36 40 44 52
B L>200 35 37 41 45 49 53 57 65