Package Includes: 100 pieces of 3/8-16 x 1" flanged hexagon head bolts, fully threaded with coarse UNC threads. Bolt head diameter 14mm, flange diameter 20.5mm, and head height 9.9mm, ideal for various industrial and automotive fastening needs.
Durable Material: Made from Grade 5 carbon steel with zinc clear trivalent plating and plain finish for excellent corrosion and rust resistance. These bolts offer high strength and durability, suitable for harsh environments and long-term use.
Integrated Flanged Head: Built-in serrated flange acts as a washer, distributing clamping force evenly and resisting loosening caused by vibration to ensure secure fastening.
Easy Installation: Designed for quick and reliable fastening with external hex drive, compatible with standard hex wrenches or sockets, providing a slip-resistant grip for professionals and DIY users.
Versatile Applications: Perfect for machinery assembly, automotive repairs, industrial equipment, home appliances, and construction projects, offering reliable strength and performance across many mechanical and industrial uses.