Stainless steel 18-8 carriage bolts
Stainless Steel 18-8 Carriage Bolt is a high-quality, durable fastener, often used for marine projects, that offers greater corrosion resistance than zinc or HDG alternatives.
Carriage bolts have a smooth mushroom head, a square section immediately below, and a partially-threaded circular shank cross-section. Other names for Carriage Bolts include “plow bolts” and “coach bolts,” as the construction of carriages and carriage wheels popularized these fasteners.
Available sizes: 1/4″, 5/16″, 3/8″, and 1/2″.









