Thread Size: 1/4-20; Thread Pitch: 20 TPI; Screw Length: 4 inch (excluding the height of the head while including the height of the neck)
Head Diameter (max): 0.6 inch; Head Height: 0.14 inch; Thread Type: UNC coarse thread;
Package Includes: 10 Sets, each set contains Carriage Bolt+ Hex Nut+ Flat Washer
The big round head with a square neck help prevent the bolt from turning while the nut is tightened. Good choice for anti-theft bolts because they only can be removed from one side. The sturdy structure make it IDEAL USE for both residential and commercial projects, like furnitures, TV, engineering or other DIY projects
Material: High Quality 18-8 Stainless Steel 304, great strength and good corrosion resistance to make fasteners last!