50PK 1/2x4-1/2 Galv Wedge Anc

50 Pack, 1/2" x 4-1/2", Zinc, Wedge Bolt, High Strength Anchor For Concrete, Brick & Block, Zinc Plated For Non-Corrosive Environments, Use 1/2" Wedge Bit, 7/16" ANSI Bit Can Be Used, Installation Torque Is Significantly Increased When 7/16" ANSI Bit Is Used, Minimum Embedment 1-3/4".