Item Type: Self Drilling Screw <br>Surface Treatment: Galvanized <br>Color: Silver <br>Size: Approx. 4.8 x 38mm / 0.19 x 1.5in<br>1、GOOD QUALITY CARBON STEEL: Modified truss head sheet metal screws are made of good quality durable steel, hard galvanized for durability and no wear <br>2、RUST RESISTANT HOUSING: Zinc plated process provides an excellent corrosion resistant housing for long lasting fastener <br>3、CONVENIENT CROSS GROOVE: Standard cross groove bring uniform force, not easy to slip, more convenient to use, smooth surface. Cross groove deep tunnel is easy to tighten <br>4、FOR HOME AND OFFICE: Widely used in home and office such as furniture repair, application repair, and home installation <br>5、STABLE AND DURABLE: Self drilling screw come with stable structure, excellent performance and long service life50 x Flat Head&nbsp;Cross&nbsp;Self Drilling Screw