3/8-16 x 1 Carriage Bolt Galvanized CH316 and the 40 indicates that

and the 40 indicates that the screw has a length of 40mm

while the Grade 8 rating guarantees its ability to withstand demanding loads

With its precision-engineered threads and robust construction

The hexagonal head allows for easy tightening with a standard wrench or socket

Its fully threaded design provides maximum grip and strength

3/8-16 x 1 Carriage Bolt Galvanized CH316 and the 40 indicates thatThis 3 8 16 x 1 Carriage Bolt is made of durable steel and features a galvanized finish for added corrosion resistance. It has a round head with a square neck beneath, which helps prevent the bolt from turning when tightened. The bolt is designed for use in a variety of applications, including securing wood to wood or metal to wood. It has a length of 1 inch and a diameter of 3 8 inch, and it is threaded 16 threads per inch.