[Flange Hex Head Design] The flange surface of the flange bolt increases the touch area, making it a very strong structure that can withstand high pressure, prevent loosening, high temperature and other extreme environmental challenges, and is not easily damaged
[Metric Flange Bolt Assortment Specification] 450pcs metric hex bolts in 14 sizes of M5, M6 and M8, with lengths ranging from 12mm to 30mm. There are also 107pcs metric nuts in 3 sizes and 240pcs lock washers in 6 sizes, catering to various DIY and professional projects
[Material & Workmanship] Made of premium carbon steel, these grade 8.8 bolts and nuts are corrosion resistant, sturdy, durable enough to meet different occasions. Yellow zinc coatings offer superior rust and corrosion protection of steel, making the bolts have a longer service time
[Wide Application] The flange has serrations grip that increases the torque needed to loosen the bolt, which is perfect for mounting something that exposed to vibrations and harshness during action. Such as mechanical equipment, automotive, industrial equipment and construction structure
[Storage Box] Sturdy case package with size label. Flange head screw flange nuts, washers and lock spring washers assortment kits are stored individually by type in a portable, transparent case for easy storage and use, thus avoiding loss or confusion during use