1/2"-13 x 2-1/2" 18-8 Stainless Steel Coarse Thread Carriage Bolts 15PK The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened..
1/2"-13 x 2-1/2" 18-8 Stainless Steel Coarse Thread Carriage Bolts 15PK The square section grips into the part being fixed (typically wood), preventing the bolt from turning when the nut is tightened..