EVERYTHING ABOUT HARGA BESI SIKU

Tapcon screws are a favorite anchor that means self tapping (self threading) concrete screw. Larger diameter screws are called LDT's. This kind of fastener requires a pre-drilled hole—employing a Tapcon drillbit—and they are then screwed into the outlet using a typical hex or phillips little bit.Angkur dengan cara kerja friction akan menciptaka