Hex Head Cap Screws Grade 8 1.Standard: ASME B 18.2.1 2. ... Size: 1/4''-3'' 3. ISO9001:2008 Hex Head Cap Screws (Partial Threaded) Standard: ASME B 18.2.1Size: 1/4 ... : Hex Bolts, T-head bolts, Hex Tap Bolts, Hex Cap Screws, hex tap bolts, Heavy Hex Bolts, Square Bolts, Step Bolts ... , Hex Lag Screw, Carriage Bolts, Stud Bolt, U-Bolt, Eye Bolts, Hook ...