[Size] Thread Diameter:6mm/0.23inch,Bolt Head Diameter:12mm/0.47inch,Round Head Height:3mm/0.11inch,Thread Length(including the neck):16mm/0.62inch.
[Material] Made of 304 stainless steel,it is strong and reliable,corrosion-resistant,and suitable for both indoor and outdoor use.
[Round Head Square Neck] Carriage bolt is dome head bolt fastener with a locking neck style,which prevents turning when the nut it tightened or removed.
[Applications] Carriage bolts aren't just for carriages,these bolts can be used on wood projects,timber frame shed build,trailer deck boards,deck project,outdoor bench seat rebuild,etc.