Robtec M10 2.95 in x 3/8 in. Carbon Steel Wedge Anchor Expansion with Nuts and Washers (25-Pack)
$25
Robtec Zinc plated Carbon steel wedge expansion anchors are great for use in uncracked concrete, light-weight concrete and masonry. They are fully threaded to accommodate fixtures of various thickness. Simply place these anchors into pre-drilled holes and they expand for a tight grip. Each anchor comes with 1 nut and 1 washer.