5/16-18 x 3/4" (30 Pack) Flat Head Hex Socket Cap Screws Bolts, Black Oxide 304 Stainless Steel 18-8, Hex Drive Countersunk Furniture Connector, Fully Threaded Machine Thread, Bright Finish

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【Premium Material & Corrosion Resistance】: HEXPHANT 5/16-18 x 3/4" Flat Head Hex Socket Cap Screws Bolts are crafted from 304 Stainless Steel (18-8 Grade) with Black Oxide finish, surpassing ordinary steel and zinc-plated fasteners. Enhanced corrosion resistance and anti-rust properties ensure durability in harsh environments, ideal for indoor and outdoor use. 【Precise Specifications & Functionality】: Thread Size: 5/16-18 x 3/4" | Drive Type: Hex Socket | Head Style: Flat Head | Fully Threaded Machine Thread Design. Black Oxide coating provides a sleek bright finish, while hex drive ensures secure tightening for furniture, machinery, and DIY projects. 【Value Pack with Hex Key (30 PCS + Tool)】: Includes 30 PCS screws + 1 Hex Spanner for quick assembly. Perfect for home, office, workshops, or garage repairs. Fully threaded screws offer maximum grip strength for cabinets, beds, tables, communication equipment, and ship assembly. 【Rugged & Versatile Applications】: Engineered for heavy-duty use: furniture fastening (chairs, workbenches), mechanical industries, automotive repairs, and marine applications. 304 stainless steel resists deformation and withstands high-pressure environments, ensuring long-lasting performance. 【100% Satisfaction Guarantee】: HEXPHANT prioritizes quality and service. Contact us via email for any issues – we promise prompt solutions. Your trust drives our commitment to delivering screws at competitive prices.