The 1/2UNCx3.1/2 Studbolt & 2 Nuts A193 (GR-B16/2H) from the Qualfast product range is designed to provide reliable and robust fastening solutions for a variety of applications. Crafted to meet high-quality standards, these studbolts and nuts ensure durability and strength, making them ideal for use in demanding environments. Their dependable performance contributes to the overall integrity of structures and machinery, offering peace of mind for engineers and builders alike. This product range is essential for those seeking effective and long-lasting fastening options. Features: B: 0.88 Material: Steel Thread: Unified National Coarse Length: 90mm Material Technical: ASTM A193 - ASTM A194 Surface Treatment: Plain L: 90mm BS: 4882 Threads per Inch: 13 Thread Direction: Right ASTM: A193/A194 ASME: B16.5/B18.2.2 Class: Gr.B16 - Gr.2H M: 12.3 Diameter: 1/2in Applications: - Ideal for securing heavy machinery and equipment in industrial settings. - Suitable for use in construction projects