NOT KNOWN FACTS ABOUT HARGA BESI HOLLOW

Tapcon screws are a preferred anchor that means self tapping (self threading) concrete screw. Larger sized diameter screws are often called LDT's. This type of fastener demands a pre-drilled gap—employing a Tapcon drillbit—and they are then screwed into the hole working with a regular hex or phillips bit.Dengan menggunakan tabel ini, kontraktor