WHAT DOES HARGA TIANG LISTRIK BETON 7 METER MEAN?

Tapcon screws are a well-liked anchor that means self tapping (self threading) concrete screw. Much larger diameter screws are referred to as LDT's. This type of fastener requires a pre-drilled hole—utilizing a Tapcon drillbit—and therefore are then screwed into the opening using a typical hex or phillips bit.Pelatihan: Pekerja harus mendapatka