These are good anchors for strong fastening to concrete. My application didn't need to be pressed firmly against concrete, so I only used a few of these. They worked, but they had to go back and find an alternate anchor.
π© M6 1.0 Stainless Steel Flanged Hexagon Flange
8 Review
Highly π Sought-After Fastener: Connector 014973445713
9 Review
π© Hard-to-Find Quick Fastener 014973253790 - 4 Piece Set
7 Review
POWERTEC 4 Inch 20 2 Inch QTB1005 T Slot: A Revolutionary, High-Quality Power Tool Accessory!
8 Review