Not known Facts About harga besi hollow
Tapcon screws are a preferred anchor that means self tapping (self threading) concrete screw. Larger sized diameter screws are referred to as LDT's. Such a fastener requires a pre-drilled gap—utilizing a Tapcon drillbit—and are then screwed into the opening using a standard hex or phillips little bit.Angkur bounding bekerja dengan cara mengikat