1/4-20 x 3 1/2 Carriage Bolt Fully Threaded Black Oxide and Oil M4-0.7 The hex head design allows

The hex head design allows for easy tightening and loosening with a wrench or socket

The 3/8-16 x 6 Carriage Bolt Fully Threaded Black Oxide and Oil is a high-quality fastener designed for a variety of applications

Its 1 3/4-inch length provides ample grip for various materials

providing ample holding power for heavy-duty projects

and other woodworking applications

1/4-20 x 3 1/2 Carriage Bolt Fully Threaded Black Oxide and Oil M4-0.7 The hex head design allowsThis 1 4 20 x 3 1 2 carriage bolt is made of steel and has a black oxide and oil finish. It is fully threaded and has a square head. Carriage bolts are often used to secure wood to metal or wood to wood. The square head prevents the bolt from turning when it is tightened. The black oxide and oil finish provides corrosion resistance.