SCREW AIR COMPRESSOR FUNDAMENTALS EXPLAINED

Tapcon screws are a favorite anchor that means self tapping (self threading) concrete screw. Much larger diameter screws are often called LDT's. Such a fastener needs a pre-drilled hole—using a Tapcon drillbit—and are then screwed into the opening working with an ordinary hex or phillips bit.Sebelum dimasukkan, pastikan angkur telah dibersihkan