5 Simple Techniques For flange lap joint
Tapcon screws are a well-liked anchor that stands for self tapping (self threading) concrete screw. Much larger diameter screws are often called LDT's. This sort of fastener needs a pre-drilled hole—utilizing a Tapcon drillbit—and so are then screwed into the opening making use of a regular hex or phillips little bit.Pelaksanaan pemasangan meru