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ISO Metric Hot-dip Galvanized Hexagon Bolts For Tower Construction

AS /NZS 1559 - 1997

Display drawing:

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