VALUE PACKAGING AND EASY TO USE - This Button Head Hex Socket Cap Screws Bolts package contains 50 Pcs screws, 1 Pcs hex key. You can get your work done easily and qucikly. They are ideal for use at home, in the office or at work. Product Size - Thread Diameter: 1/4 inch; Thread Pitch: 3/8 inch. RUGGED AND DURABLE - Our Button Head Hex Socket Cap Screws Bolts made of high-quality 18-8(304)Stainless Steel，which has higher corrosion resistance and anti-rust effect than ordinary bolt, longer service life, not easy to damage, more solid. WIDE RANGE OF APPLICATIONS - Button Head Hex Socket Cap Screws Bolts can be widely used in the home and office appliance, communication equipments, ship assembly , the mechanical industry and small repairs around shops, garages or home furniture fasteners. INTIMATE SERVICE - We focus on customer satisfaction, if you have any questions or are not satisfied, you can contact us by email, we will solve all your problems as soon as possible.