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