THE 5-SECOND TRICK FOR PAGAR BRC SURABAYA

Tapcon screws are a favorite anchor that stands for self tapping (self threading) concrete screw. Larger sized diameter screws are often called LDT's. This kind of fastener needs a pre-drilled hole—employing a Tapcon drillbit—and are then screwed into the hole utilizing a standard hex or phillips bit.The pressure-transfer mechanism is based on