These Tru-Lite titanium bolts feature 5/16"-18 rolled formed threads for added strength 6AL/4V material which has 3 times the strength of aluminum and is 42% lighter than steel Heat treated to further enhance strength and extend thread life These titanium bolts have a greater tensile strength than Grade 8 steel bolts 1" under head length with a 1/2" hex head These coarse thread Tru-Lite titanium bolts feature heat treated rolled threads. Titanium bolts have a greater tensile strength than Grade 8 bolts at half the weight. Made from 6AL/4V material which has 3 times the strength of aluminum and is 42% lighter than steel. Coarse thread Titanium. Greater tensile strength than Grade 8 bolts. 3 times the strength of aluminum. 42% lighter than steel. 5/16"-18 x 1" 1/2" Hex Head. Full Thread. Item DetailsCoarse Thread