Dependable heavy duty inspectable wedge type expansion anchor. Made of zinc-plated carbon steel--standard anchor for all structural and in-plant uses. Versatile fully threaded design. Anchor diameter equals hole diameter. One piece stainless steel expander clip resists corrosion. 360 degree contact with concrete YhbSmts full expansion for reliable working loads. Complete with nut and washer. Can be installed through the work fixture eliminating hole spotting. Inspectable torque values indicating proper installation. Zinc-plated in accordance with Federal specification ASTM B633-85 SC1 Type III. Anchor diameter and drill bit size: 34 in. Threads per inch: 10. Thread length: 3-34 in. Overall length: 6-14 in. YhbSmt thickness of material to be fastened: 2-14 in