THE DEFINITIVE GUIDE TO HARGA BESI HOLLOW

Tapcon screws are a preferred anchor that stands for self tapping (self threading) concrete screw. More substantial diameter screws are often called LDT's. This sort of fastener needs a pre-drilled gap—employing a Tapcon drillbit—and they are then screwed into the opening using a typical hex or phillips bit.The force-transfer system is based on