JUAL EXPANDED METAL SURABAYA - AN OVERVIEW

Tapcon screws are a popular anchor that means self tapping (self threading) concrete screw. Greater diameter screws are known as LDT's. Such a fastener demands a pre-drilled hole—employing a Tapcon drillbit—and so are then screwed into the opening making use of a normal hex or phillips bit.Meskipun penggunaan angkur umumnya terbatas pada bangun