24PCS/ Trim Head Screws, 4 X 16 mm · TezkarShop Official Website Online Store
driving recess allows high driving torque and “stick fit” between driver and screw Made from hardened steel, zinc plated and yellow passivated with a waxed finish Ribbed countersunk head A fatter neck and thicker shank allow for a deeper recess and improved wall plug performance Drills own pilot hole even in hardwoods and reduce splitting Single-start thread for better holding power and stripping resistance Driver bit supplied with each box of screws Shop at TezkarShop Official Website's online store.