EVERYTHING ABOUT HARGA BESI SIKU

Tapcon screws are a well known anchor that means self tapping (self threading) concrete screw. Much 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 making use of a typical hex or phillips little bit.Pelatihan: Pekerja harus mendapatkan