HARGA TIANG LISTRIK BESI 6 METER NO FURTHER A MYSTERY

Tapcon screws are a favorite anchor that stands for self tapping (self threading) concrete screw. Greater diameter screws are known as LDT's. This sort of fastener requires a pre-drilled gap—using a Tapcon drillbit—and so are then screwed into the opening utilizing a regular hex or phillips bit.Reverse Shear load (also named “alternate shear�