HELPING THE OTHERS REALIZE THE ADVANTAGES OF ROUND BAR

Tapcon screws are a popular anchor that stands for self tapping (self threading) concrete screw. Greater diameter screws are called LDT's. This sort of fastener needs a pre-drilled gap—utilizing a Tapcon drillbit—and so are then screwed into the hole employing a normal hex or phillips little bit.Angkur dengan cara kerja friction akan menciptaka