Secure the carriage bolts and nuts you need for wood, metal, plastic, and more from ASMC Industrial. You will easily find the exact carriage bolt size, thread pitch, and length you are looking for in our inventory. We carry up to Grade 8 steel carriage bolts, as well as stainless. Choose from Alloy Steel, Low Carbon Steel, Medium Carbon Steel, and various Stainless Steel varieties, all at amazing prices. Our online store has high quality Black Oxide carriage bolts, and many other tough, durable solutions like Yellow Zinc Plated carriage bolts and Plain Finish products with no plating. Order from ASMC. We make it a point to provide affordable hardware for every customer around the world.