WHAT DOES HARGA TIANG LISTRIK BETON 7 METER MEAN?

Tapcon screws are a preferred anchor that stands for self tapping (self threading) concrete screw. Much larger diameter screws are generally known as LDT's. This type of fastener requires a pre-drilled hole—using a Tapcon drillbit—and so are then screwed into the hole employing a standard hex or phillips bit.Pelaksanaan pemasangan meruakan fakt