JUAL TIMAH LEMBARAN FUNDAMENTALS EXPLAINED

Tapcon screws are a preferred anchor that means self tapping (self threading) concrete screw. Much larger diameter screws are known as LDT's. This kind of fastener needs a pre-drilled gap—employing a Tapcon drillbit—and are then screwed into the opening applying a typical hex or phillips little bit.Angkur dengan cara kerja friction akan mencipt