STAINLESS STEEL GRATING SECRETS

Tapcon screws are a well known anchor that stands for self tapping (self threading) concrete screw. Larger sized diameter screws are referred to as LDT's. Such a fastener requires a pre-drilled hole—using a Tapcon drillbit—and they are then screwed into the opening using a typical hex or phillips little bit.Sebelum dimasukkan, pastikan angkur t