Yes, the vent holes are drilled in order to provide an escape routefor the hot gases and molten zinc failing which the handrails will come out bent from the galvanizing bath/Cooling bath.
Mohammad Afzal Baig
On Sun, May 9, 2010 at 9:46 PM, Vijay <k.vijayaraj@gmail.com> wrote:
Dear All,
We are fabricating handrails for our client. That to be galvanized
externally. I heard that proper holes to be provided on the handrail
for vent to dip the handrail while doing dipping. Is it is necessary?
Kindly guide me on this.
Regards,
Vijay.
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Mohammad Afzal Baig
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