Power-Stud+ SD1 Wedge Expansion AnchorProduct Description : The Power-Stud+ SD1 anchor is a fully threaded, torque-controlled, wedge expansionanchor which is designed for consistent performance in cracked and uncracked concrete.Suitable base materials include normal-weight concrete, structural sand-lightweightconcrete and concrete over steel deck. The anchor is manufactured with a zinc platedcarbon steel body and expansion clip. Nut and washer are included. General Applications and Uses :