JUAL EXPANDED METAL SURABAYA - AN OVERVIEW

Tapcon screws are a popular anchor that stands for self tapping (self threading) concrete screw. Much larger diameter screws are known as LDT's. This sort of fastener demands a pre-drilled hole—utilizing a Tapcon drillbit—and are then screwed into the outlet employing a regular hex or phillips little bit.Angkur bounding bekerja dengan cara meng