The besi hitam Diaries
Tapcon screws are a preferred anchor that means self tapping (self threading) concrete screw. Larger diameter screws are known as LDT's. This sort of fastener requires a pre-drilled hole—employing a Tapcon drillbit—and so are then screwed into the outlet using a standard hex or phillips little bit.Untuk memastikan angkur baja yang terpasang ben