THE DEFINITIVE GUIDE TO HARGA BESI HOLLOW

Tapcon screws are a well known anchor that stands for self tapping (self threading) concrete screw. Bigger diameter screws are known as LDT's. This kind of fastener needs a pre-drilled gap—utilizing a Tapcon drillbit—and they are then screwed into the hole making use of an ordinary hex or phillips little bit.Sebelum dimasukkan, pastikan angkur