Carriage bolt, also known as a square neck bolt, have a square or ribbed neck that prevents turning during and after tightening.
The Shaker Screen Bolt also belongs to carriage bolt.
Shaker Screen Bolt is with a square neck that resists turning when nut is tightened or removed. This bolt is stronger than a carriage bolt, and is also belong to Carriage bolt.
Flat Head Carriage bolt is available in low carbon steel.
The square neck helps to keep the carriage bolt from turning as the nut is being tightened. The flat head design makes this bolt ideal in low profile applications such as signs and garage doors.The round head carriage bolt is more popular than flat head carriage bolt.
Stainless Steel Carriage Bolt has a high resistance to pitting when exposed to marine environments and different types of chemicals. The materials used are stainless steel 304 and 316.
Carriage Bolt Standard: ASME B18.5
Shaker Screen Bolt Stanard: ASME B18.5
Carriage Bolt Standard: DIN603