Thread Diameter: 5/16-inch; Thread Count: 18 TPI; Head Diameter: 18mm/0.71-inch; Square Neck Width: 8mm/0.31-inch; Screw Length: 1-inch; Package Included: 8pcs x Carriage Bolt [Material] Made of low carbon steel and color galvanization to make carriage bolts much more strength and resistant to rust. There are no issues of biting broken to compare with non-rust steel bolts in high and low-temperature environments. [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 combination of the bolt's useful shape can be used with hex nuts and flat washers ensures reliable and stable fastening for your projects. [Wide Application] Carriage bolts are used to fix metal to wood. Widely used in homes and offices, both indoors and outdoors, such as securing headboards, footboards, doors, bed frames, furniture, TV, engineering, or other DIY projects. [Carriage Bolt Screws] The carriage bolt 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. Description:
[Material] Made of low carbon steel and color galvanization to make carriage bolts much more strength and resistant to rust. There are no issues of biting thread broken compared with non-rust steel bolts in high and low-temperature environments.

[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 combination of the bolt's useful shape can be used with hex nuts and flat washers ensures reliable and stable fastening for your projects.

[Wide Application] Carriage bolts are used to fix metal to wood. Widely used in homes and offices, both indoors and outdoors, such as securing headboards, footboards, doors, bed frames, furniture, TV, engineering, or other DIY projects.

Specification:
Product Name: Carriage Bolt
Material: Carbon Steel
Thread Diameter: 5/16-inch
Thread Count: 18 TPI
Head Diameter: 18mm/0.71-inch
Square Neck Width: 8mm/0.31-inch
Screw Length: 1-inch

Package Included:
8pcs x Carriage Bolt