How to install window grills without welding?

Stainless steel tube window grills simple design

[@GamePLUSDroidVerse]

malinis tignan sir

[@redexsotto]

Thank you po😊

[@frankmurray9172]

Great , but I didn't understand what was done with the screw

[@redexsotto]

Screw will hold the tube sir while the cement still wet..

[@R-Labador]

parang kulungan haha