WHAT DOES HARGA TIANG LISTRIK BETON 7 METER MEAN?

Tapcon screws are a preferred anchor that means self tapping (self threading) concrete screw. Bigger diameter screws are called LDT's. Such a fastener requires a pre-drilled hole—using a Tapcon drillbit—and therefore are then screwed into the opening working with an ordinary hex or phillips bit.Selain itu, angkur baja juga bertugas untuk mendis