HARGA TIANG LISTRIK BESI 6 METER NO FURTHER A MYSTERY

Tapcon screws are a preferred anchor that means self tapping (self threading) concrete screw. Larger diameter screws are referred to as LDT's. This type of fastener requires a pre-drilled hole—using a Tapcon drillbit—and are then screwed into the hole using a standard hex or phillips little bit.Untuk memastikan angkur baja yang terpasang benar-