HARGA TIANG LISTRIK BESI 6 METER NO FURTHER A MYSTERY

Tapcon screws are a preferred anchor that stands for self tapping (self threading) concrete screw. Larger sized diameter screws are generally known as LDT's. This kind of fastener requires a pre-drilled hole—using a Tapcon drillbit—and therefore are then screwed into the opening employing a normal hex or phillips little bit.The force-transfer s