NOT KNOWN FACTS ABOUT HARGA BESI HOLLOW

Tapcon screws are a well known anchor that means self tapping (self threading) concrete screw. Larger sized diameter screws are known as LDT's. Such a fastener needs a pre-drilled hole—using a Tapcon drillbit—and so are then screwed into the opening employing a typical hex or phillips bit.Untuk memastikan angkur baja yang terpasang benar-benar