140Pcs Expansion Screw Small Croaker Single Tube Cross Countersunk Head Self-tapping Screw Yellow

Description Are you looking for a professional yet affordable cage nut and expansion screw? Are you in search of a sturdy trustworthy tool that can do multiple jobs at once? If yes look no further! Our professional expansion screw must meet you needs. It is one of the best choices for you. Features - Color: yellow. - Size: 6x30mm 6x60mm 6x80mm - Material: plastic+carbon steel. - Made of carbon steel. The carbon steel material features strength wear resistance and corrosion resistance in bad environment like high temperature cold weather and high humidity areas. - The expansion tube is made of plastic with good toughness high fastness and not easy to break. - Galvanized surface treatment high strength not easy to deformation. - Taper sharp install firmly. - Standard specification regular screwdriver can be inserted.