304 Stainless Steel Power-Stud Wedge AnchorsHillman Item #372303
Power-Stud Wedge Anchors are fully threaded, torque controlled, wedge expansion anchors designed for concrete applications. Suitable base materials include solid concrete and grout-filled concrete masonry. These anchors have various DOT approvals including Caltrans listing for "Stud Mechanical Expansion Anchors". They're also suitable for use with pressure treated lumber.