AS 1559:2018 pdf free
AS 1559:2018 pdf free.Hot-dip galvanized steel bolts and associated nuts and washers for tower construction
Quantity of fasteners of a single designation including product grade, property class and size (thread diameter and length), manufactured from bar, wire, rod or flat product from a single cast, processed through the same or similar steps at the same time or over a continuous time period, including the same heat treatment and/or coating process, if any.
The difference between the nominal length of the bolt and the distance between the bearing surface of the head and the nearest face of a 8g GO screw ring gauge, screwed on as far as practicable to the bolt by hand before coating.
For bolts with rolled threads- the distance from the top of the extrusion cone to the nearest face of a nut with no countersink when screwed on to the bolt as far as practicable by hand [see Figure 2.4(a)].
For bolts with cut threads- the distance from the last scratch of thread to the nearest face of a nut with no countersink when screwed on to the bolt as far as practicable by hand [see Figure 2.4(b)].
A hexagonal-headed fastener, with a specific relationship of threaded length to overall length and a defined thread runout to avoid threads in the shear plane. A second nut is used for locking purposes.
A hexagonal headed fastener, with a specific relationship of threaded length to overall length and a defined thread runout to avoid threads in the shear plane.
Nuts for use with bolts shall be marked with the identification mark of the manufacturer and with the property class mark and the letter ‘Z’ indicating the tolerance class of the thread as shown in Figure 1.2. The marking shall comprise indentation on the side or opposite side of the bearing surface.
There are no marking requirements for hot dip galvanized flat washers for use with bolts.To avoid a reduction in serviceability, hot dip galvanized helical spring washers shall not be marked.AS 1559 pdf free download.
