Wavanta M6 Coach Bolts, M6 x 40mm Carriage Bolts with Flange Hexagon Nuts, Zinc Plated, Carbon Steel, Coach Screws, Pack of 20

Well Made Carriage Bolts: All of the carbon steel bolts and hexagonal nuts are well manufactured with no burs, smooth-symmetrical head, precise and clean threads

Anti-Corrosion Zinc Coating: Our carriage bolts and nuts are zinc plated, a uniform zinc-plated layer provides robust rust resistance, adapting to both indoor and outdoor environments with enhanced surface protection

Strong Carriage Bolts: Carriage bolt is dome head bolt fastener with a locking neck style, which prevents turning when the nut it tightened or removed. Can be used in wood, metal applications

Integrated Anti-Loose Flange Design for Vibration-Proof Security: The flanged nuts feature a 360° wide-bearing surface that distributes pressure evenly, preventing loosening under intense vibrations. Paired with the carriage bolt’s square neck, they self-lock into pre-drilled holes during installation, eliminating the need for extra washers. Enjoy hassle-free, long-lasting fastening with minimal maintenance

Versatile: Carriage bolts aren't just for carriages, these bolts can be used on wood projects, timber frame shed build, trailer deck boards, deck project, outdoor bench seat rebuild, etc