HARGA TIANG LISTRIK BESI 6 METER NO FURTHER A MYSTERY

Tapcon screws are a favorite anchor that stands for self tapping (self threading) concrete screw. Greater diameter screws are often called LDT's. Such a fastener needs a pre-drilled hole—employing a Tapcon drillbit—and are then screwed into the hole using a regular hex or phillips bit.Angkur bounding bekerja dengan cara mengikat bolt dengan med