The 5/8UNFx6.1/2 Hex Head Bolt Z&Y (GR-8) from Qualfast is designed to provide exceptional strength and reliability for a variety of fastening applications. Crafted to meet high-quality standards, these bolts are ideal for use in demanding environments where durability is essential. The hex head design allows for easy installation and secure fastening, making them suitable for both professional and DIY projects. With their robust construction, these bolts ensure long-lasting performance, contributing to the overall integrity and safety of your assemblies. Features: Thread Direction: Right Hnd Material: Steel Thread Size: 5/8 Thread: UNF Surface Treatment: Zinc Plated Yellow Passivated Standards Met: ASME B18.2.1, BS 1768 Driving Features: Hexagon Length: 6.1/2in Grade: 8 Head Shape: Hexagon Head Applications: - Ideal for securing heavy machinery and equipment in industrial settings. - Suitable for use in construction projects requiring high-strength fastening solutions.