Our hardware is very strong and is great for both indoor and outdoor use.<br> -The 18-8 Stainless Steel is superior to regular steel and provides excellent rust resistance in both fresh and salt water applications.<br> STURDY AND DURABLE - SG TZH Flat 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 bolts, longer service life, not easy to damage, more solid.<br> <br> Product Size - Thread Diameter: 6mm;; Thread Pitch: 1mm;; Screw Length: 50mm.; Head Diameter: 12.8mm.; Please check the specifications by picture 2<br> WIDE RANGE OF APPLICATIONS - The hex socket flat head screws can be widely used in home and office appliances, communication equipment, ship assembly, mechanical industry and small repairs around shops, garages or home furniture fixings.<br> <br> VALUE PACK & EASY TO USE - This pack of flat head hex socket cap screw bolts contains 20 pieces, they are ideal for use at home, office or business.<br> INTIMATE SERVICE - SG TZH focuses 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.