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ISO Metric Hot-dip Galvanized Hexagon Bolts For Tower Construction

AS /NZS 1559 - 1997

Display drawing:

Screw Thread M16 M20 M24 M30 M12 M22
D 16 20 24 30 12 22
P 2 2.5 3 3.5 1.75 2.5
Ds Max 16.70 20.84 24.84 30.84 12.70 22.84
Ds Min 15.30 19.16 23.16 29.16 11.30 21.16
S Max 24.00 30.00 36.00 46.00 18.00 34.00
S Min 23.16 29.16 35.00 45.00 17.57 33.00
E Max 27.7 34.6 41.6 53.1 20.7 39.3
E Min 26.17 32.95 39.55 50.85 19.85 37.29
Dw Min 22.0 27.7 33.2 42.7 16.5 31.35
C Max 0.8 0.8 0.8 0.8 0.6 0.8
C Min 0.2 0.2 0.2 0.2 0.15 0.2
Da Max 18.7 24.4 28.4 35.4 14.7 26.4
R Min 0.6 0.8 0.8 1.0 0.6 0.8
K Max 10.75 13.40 15.90 19.75 7.95 14.90
K Min 9.25 11.60 14.10 17.65 7.05 13.10
B 38.8 46 54.2 62 30.6 52.6