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ISO Metric Hot-dip Galvanized Hexagon Bolts For Tower Construction

AS /NZS 1559 - 1997

Display drawing:

Screw Thread M20
D 20
P 2.5
Ds Max 20.84
Ds Min 19.16
S Max 30.00
S Min 29.16
E Max 34.6
E Min 32.95
Dw Min 27.7
C Max 0.8
C Min 0.2
Da Max 24.4
R Min 0.8
K Max 13.40
K Min 11.60
B 46