5/16-18X1 1/4 Carriage Bolt Grade 8 Fully Threaded Plain (Pack Qty 1,100) BC-3120C8P

Low Carbon Steel Carriage: The square neck is designed to keep the bolt from turning as a nut is tightened. Hot-Dip Galvanized Steel Carriage: Same design advantages as a low carbon carriage bolt but with a thicker protective coating for outdoor use. Often used in outdoor furniture Low Carbon Steel & Hot-Dip Galvanized Steel Carriage: AISI 1006 - 1050 or equivalent steel used to fasten metal to metal or metal to woodYou may also like M4-1.79X8 Metric Phillips Pan Head PT Alternative 30 Degree Full Thread A2 Stainless Steel (Pack Qty 4,000) BC-M48PTPPA2.