THE DEFINITIVE GUIDE TO HARGA BESI HOLLOW

Tapcon screws are a well known anchor that stands for self tapping (self threading) concrete screw. Much larger diameter screws are often called LDT's. Such a fastener requires a pre-drilled gap—employing a Tapcon drillbit—and therefore are then screwed into the outlet employing a regular hex or phillips bit.Angkur dengan cara kerja friction ak