Description:1.Designed with hex head and carbon steel material.2.Fixing component, industrial and construction fasteners.3.Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry.Specification:Product Name: Hex Head BoltsMaterial: Carbon SteelPerformance Grade: 5 UNCThread Size:3/8"x3" (D*L)Number of Teeth: 16Rod Length: 76mm / 3"Hex Width: 14.5mm / 0.57"Hex Thickness: 6.5mm / 0.26"Package Content: 5 x Hex Head Bolts