[Wide Application] - Carriage bolt sets are used to fix metal to wood. Carbon Steel Fasteners 8-Piece 3/8-16 X 2 Square Neck Set With Nuts Washers Zinc Plated 967340 uxcell 8 Set Carriage Bolts and Nuts Kit, 1/2-13x1-1/2 Carbon Steel Round Head Square Neck... [Carriage Bolt Screws] - The carriage bolt kit has many different sizes for you to choose from; These various sizes can satisfy a wide variety of needs, ensuring robust structural support across a host of applications. [Secure and Reliable] - The round head design and square neck of these carriage bolts enable a secure and self-locking fit when applied in square holes; The carriage bolts can be used with hex nuts and flat washers ensuring reliable and stable fastening for your projects. The square neck is conveniently stuck in the groove during the installation process and can prevent the bolt from rotating during installation. Due to the head of the carriage bolt, there is no groove type that can be used with a power assisting tool such as a cross recess or a hex socket Specification:Material: Carbon SteelFinish: GalvanizingColour: BlackThread Size: 3/8-16x2Thread Pitch: 16 per inchBolt Length: 50mm / 1., 97Head Size: 20., 6mm x 5mm / 0., 81x 0., 2(D*T)Square Neck Width: 9., 5mm / 0., 37Package Content: 10Set x Carriage Bolts Screws Carriage Bolts And Nuts Kit Carbon Steel Fasteners TAODAN 10PCS Galvanized Carriage Bolts - 3/8-16x2 With Nuts & Washers 3/8-16 Carriage Bolt Set 3/8-16 X 2 Inch Carriage Bolts [Sturdy Material] - The carriage bolt kit is made of carbon steel with zinc plating on the surface, which makes the carriage bolts high-strength and rust-resistant.