3/8 -16 x 2-1/2 18-8 Stainless Steel Coarse Thread Carriage Bolts CBSS-187

Diameter: 3/8 Length: 2-1/2 Material: Stainless Steel Head Style: Carriage Thread Size: 16 (Coarse) Thread Length: Full Hardness: 18-8 Type: Carriage Bolt Square-Depth: 7/32 A carriage bolt has a domed or countersunk head and the shank is topped by a short square section under the head. The square section grips into the part being fixed (typically wood) preventing the bolt from turning when the nut is tightened.