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Grade 5 Strength: Heat-treated steel provides higher tensile strength for demanding projects
A: It has a 12-mil wear layer and a 5-year limited residential warranty
refer to your project’s matching SAE machine screw or bolt size for compatibility
They are compatible with hand nailing—standard hammers work fine
Hillman 5/16 in. Diameter x 1 in. Length Heat-Treated Zinc Steel Hex Head Cap Screw, 100-Pack Coarse Thread Bolts Grade 5 Strength: Heat-treated steelHillman Grade 5 Hex Head Cap Screws, 5 16" x 1", 100 Pack Durable grade 5 hex head cap screws made from heat treated zinc coated steel for strong, wear resistant fastening. Sized 5 16 in. diameter by 1 in. length, partially threaded for versatile use in tapped holes or with a nut. Ideal for general construction, automotive, and machinery projects. Key Features: Heat Treated Strength: Grade 5 steel construction enhances tensile strength and durability
