Coil Bolt Thread Size 1/2 In.-13 Thread Style Partially Threaded Minimum Thread Length 2 1/2 in Fastener Length 2 1/2 in Head Height 11/32 in Head Width 3/4 in Finish Plain Dimensional Standards ASME B18.2.1 Tensile Strength 60 000 psi System of Measurement Inch Material Steel Material Grade/Class Grade 2 Thread Type Coarse Thread Direction Right Hand Bolt Type Hex Head Coil Bolt Drive Type Hex Features Self-Cleaning Threads Wide Thread with a Rounded Root Form Head Type Hex