RUMORED BUZZ ON BESI I BEAM

Tapcon screws are a popular anchor that stands for self tapping (self threading) concrete screw. Bigger diameter screws are known as LDT's. Such a fastener requires a pre-drilled hole—employing a Tapcon drillbit—and so are then screwed into the hole working with a regular hex or phillips little bit.Untuk memastikan angkur baja yang terpasang be