THE 5-SECOND TRICK FOR PAGAR BRC SURABAYA

Tapcon screws are a popular anchor that stands for self tapping (self threading) concrete screw. Larger sized diameter screws are generally known as LDT's. This type of fastener requires a pre-drilled hole—using a Tapcon drillbit—and they are then screwed into the hole making use of a standard hex or phillips bit.Angkur dengan cara kerja fricti