These charts helps to identify the grades of bolts using the identification marks on the bolt's head along with the strength and hardness of common grade bolts.

Pair with lead screw nuts to move components in a straight line. Choose from our selection of grade 5 bolts in a wide range of styles and sizes. Same and Next Day Delivery.

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Nov 14, 2025 · Complete guide to bolt grades: Grade 5, Grade 8, and Grade 9 bolts explained. Learn tensile strength, markings, applications, and how to choose the right grade for your project.

Yield Strength: The maximum load at which a material exhibits a specific permanent deformation. Proof Load: An axial tensile load which the product must withstand without evidence of any …

Nov 7, 2025 · Understand the versatile Grade 5 bolt. Learn its technical strength, how to identify it, and the critical balance between durability and ductility for safe use.

Jun 3, 2025 · Grade 5 bolts are medium-strength fasteners made from medium carbon steel that has been heat treated to enhance mechanical properties. They are easily recognized by three …

U-Bolt-It manufactures and supplies Grade 5 Bolts and fasteners that are made of medium carbon steel, heat treated in a controlled atmosphere with a minimum tensile strength of 120,000 psi.

Grade 5 bolts are the most common fastener in the automotive and construction industries. If you walk into a standard hardware store, this is likely the “strong” bolt on the shelf.

Grade 5 Hex Cap Bolts Screws, Nuts, Washers, Lock Washers Assortment Kit - 574 Pieces! Shop products from small business brands sold in Amazon’s store. Discover more about the small …