1/2"-13 x 1-1/4" Grade 8 Flange Bolts (4-Pack) – Heavy-Duty Hex Flange Bolts – High-Strength SAE J429 1.25" Coarse Thread

["Bolt 4-packs: Includes 4 Grade 8 flange bolts. Bolts are 1/2\" diameter by 1-1/4\" long. (0.5\" x 1.25\")","Grade 8 Strength for Demanding Jobs: High-tensile SAE J429 Grade 8 bolts deliver superior load capacity and shear strength. IFI-111 Dimensional Requirements. ASME B18.6.3 Dimensional Requirements for Machine Screws. SAE J429 Material and Strength Level. ASME B1.1 Thread Requirements. ASTM F788 Surface Discontinuities. ASME B18.18 Inspection and Quality Assurance. Unified Threads (UNC and UNF) Class 2A. Thread acceptance per ASME B1.3, System 21. Hardness HRC 33/39.","Integrated Flange Design – Built-in flange distributes clamp load over a wider surface area, reducing surface damage and often eliminating the need for a separate washer.","Precision-Matched Components: All fasteners are 1/2\"-13 UNC for reliable fit and consistent clamping force across every assembly — no mismatched hardware, no guesswork.","Built for Pros & Serious DIYers: Whether you’re repairing equipment, building fixtures, or assembling heavy components, this delivers industrial-grade reliability in a compact, easy-to-store format."]