WHAT DOES HARGA TIANG LISTRIK BETON 7 METER MEAN?

Tapcon screws are a popular anchor that means self tapping (self threading) concrete screw. Larger diameter screws are known as LDT's. Such a fastener requires a pre-drilled hole—employing a Tapcon drillbit—and are then screwed into the opening using a regular hex or phillips little bit.The drive-transfer system is based on mechanical interlock