Flat-head machine screws and nuts are used in conjunction with one another in order to fasten metal parts together securely. To ensure proper fit and quality of life, make sure to use the Hillman Metric Flat-Head Phillips Machine Screw with nuts of similar thread size and finish. Fasten the machine screw with a screwdriver to reduce risk of over-tightening. M6-1.00 USS coarse thread; measure 16mm in length Part of the Hillman Deep Drawer program Use machine screw to fasten metal parts together Zinc finish for moderate corrosion protection If nuts are needed, use with nuts of the same finish and threading Stronger thread than wood screws, made finer and more precisely Steel material 5 per pack Flat-head machine screws are for all-purpose applications