Hillman Carriage Bolt Grade 2 Coarse Round Head - Zinc Plated - 5/16"-18 x 2-1/2" — Construction & DIY Use, Standard Hardware Spec

<p>Carriage bolts have a smooth, rounded head that has a small square section below. They are used in wood connections using the square neck under the round head which will sit in the hole to prevent the head from turning. These carriage bolts are zinc plated for moderate corrosion resistance.</p>

• PRODUCT IDENTIFICATION: Hillman fastener — sourced direct from the manufacturer or authorized distributor. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
• FASTENER INSTALLATION: Standard hardware spec — designed for residential and commercial construction, framing, finishing, and fastening work. Built to meet common US residential install specs across new-construction and replacement work.
• STANDARD RESIDENTIAL SPEC: Built to standard residential install specs — drop-in compatible for new-construction and replacement work across the labeled application range. Universal industry-standard interfaces. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
• HILLMAN BRAND: Part of the Hillman residential product line — backed by manufacturer support and warranty terms as specified by the brand. Sourced direct from the manufacturer or authorized distributor. Designed for standard US residential install conditions across remodel, new-construction, and individual fixture replacement work.
• RESIDENTIAL & COMMERCIAL USE: Designed for standard US residential and light-commercial install conditions across new-construction, full remodel, and individual unit replacement work. Pairs with matching same-brand accessory items where applicable.