Drop in Anchor of 4.8 Grade With White Zinc Plated Used Fasteners

Product Description

Drop in expansion anchor bolts is also known as implosion, which a small steel columns inside it, female cap thread in the end, screwed into the drilled hole in the wall, the small steel columns are constantly squeezed, the head burst open to generated frictional force with wall, fix into the wall solidly. The materials IS carbon steel . Application for fixing concrete, natural solid stones. Drop in expansion anchor bolts are suitable for heavy-duty range depand on the screw and the inner teeth fixed, fire equipment, air conditioning and hot water pipe exhaust pipe installation, walls, hung upside piping duct ceiling etc.