Comparison : Item # A325N-050-13-0200-P, 1/2-13 x 2 A-325 Structural Bolt w/ Nut Plain
Item # A325N-050-13-0200-P, 1/2"-13 x 2" A-325 Structural Bolt with A563-C Hex Nut Plain
Item # A325N-050-13-0250-P, 1/2"-13 x 2 1/2" A-325 Structural Bolt with A563-C Hex Nut Plain
Item # A325N-050-13-0250-P, 1/2-13 x 2 1/2 A-325 Structural Bolt w/ Nut Plain
Item # A325N-063-11-0250-P, 5/8"-11 x 2 1/2" A-325 Structural Bolt with A563-C Hex Nut Plain