What Does harga tiang listrik beton 7 meter Mean?
Tapcon screws are a preferred anchor that means self tapping (self threading) concrete screw. Much larger diameter screws are generally known as LDT's. This sort of fastener demands a pre-drilled hole—using a Tapcon drillbit—and so are then screwed into the outlet applying a standard hex or phillips bit.Angkur dengan cara kerja friction akan me