Titanium Hex Head 1/4-28 x " ~ Grip length = 0" ~ Thread length = " ~ Min. UTS 160Ksi, Aircraft grade material that has been ultrasonic inspected. Forged head and rolled threads to increase fatigue resistance. Heat treated to Min UTS 160Ksi.Pit Stop USA offers Mettec Titanium 1/4"-28 x 1/2" Hex Head Bolt T4NF02500500 at low everyday prices. Be sure to check out all of our products from Mettec including Mettec 1/4" Titanium Bolt and Mettec 1/4" Titanium Bolts.