An anchor bolt device for securing a structural member to a concrete foundation , said anchor bolt device comprising: a first anchor bolt extending between a first end and a second end , said first anchor bolt having an enlarged portion , a shank portion , and a tail portion ; said enlarged portion of said first anchor bolt extending from said first end of said first anchor bolt along an enlarged portion centerline , said enlarged portion of said first anchor bolt defining an enlarged portion cross-section that is transverse to said enlarged portion centerline of said first anchor bolt ; said tail portion of said first anchor bolt extending from said second end of said first anchor bolt along a tail portion centerline , said tail portion of said first anchor bolt defining a tail portion cross-section that is transverse to said tail portion centerline of said first anchor bolt ; said shank portion of said first anchor bolt being disposed between said enlarged portion and said tail portion of said first anchor bolt and extending along a shank portion centerline , said shank portion of said first anchor bolt defining a shank portion cross-section that is transverse to said shank portion centerline of said first anchor bolt , said shank portion cross-section being smaller than said enlarged portion cross-section ; a first coupling disposed at said first end of said first anchor bolt for securing said first anchor bolt to the structural member , said first coupling including a female tap portion that extends inwardly from said first end of said first anchor bolt into said enlarged portion of said first anchor bolt ; characterized in that the anchor bolt device further comprises a float removably retained on said enlarged portion of said first anchor bolt , wherein said float includes a base plate and a neck , and wherein said float comprises an offset tab that extends outwardly from the base plate to a distal edge . a first anchor bolt extending between a first end and a second end , said first anchor bolt having an enlarged portion , a shank portion , and a tail portion ; said enlarged portion of said first anchor bolt extending from said first end of said first anchor bolt along an enlarged portion centerline , said enlarged portion of said first anchor bolt defining an enlarged portion cross-section that is transverse to said enlarged portion centerline of said first anchor bolt ; said tail portion of said first anchor bolt extending from said second end of said first anchor bolt along a tail portion centerline , said tail portion of said first anchor bolt defining a tail portion cross-section that is transverse to said tail portion centerline of said first anchor bolt ; said shank portion of said first anchor bolt being disposed between said enlarged portion and said tail portion of said first anchor bolt and extending along a shank portion centerline , said shank portion of said first anchor bolt defining a shank portion cross-section that is transverse to said shank portion centerline of said first anchor bolt , said shank portion cross-section being smaller than said enlarged portion cross-section ; a first coupling disposed at said first end of said first anchor bolt for securing said first anchor bolt to the structural member , said first coupling including a female tap portion that extends inwardly from said first end of said first anchor bolt into said enlarged portion of said first anchor bolt ; characterized in that the anchor bolt device further comprises a float removably retained on said enlarged portion of said first anchor bolt , wherein said float includes a base plate and a neck , and wherein said float comprises an offset tab that extends outwardly from the base plate to a distal edge . <EOS>