TTN25214PFSS Titen Concrete & Masonry Screw (Box of 100pcs)
Flat Head Titen® Stainless-Steel Concrete and Masonry Screw - R.H. Fasteners
Tapcon 1/4 in. x 2-3/4 in. 410 Stainless Steel Hex-Head Concrete Anchors (8-Pack) 26130 - The Home Depot
1/4" x 3-3/4" Tapcon 410 Stainless Steel Concrete Screw, Phillips Flat – Fasteners Plus
The complete guide to concrete screws
Tapcon 3/16 in. x 2-3/4 in. 410 Stainless Steel Phillips Flat-Head Concrete Anchors (8-Pack) 26165 - The Home Depot
CONFAST 1/4" x 1-1/4" Concrete Screws 410 Stainless Steel Hex with Concrete Drill Bit for Anchoring to Masonry, Block or Brick (50 per Box): Amazon.com: Industrial & Scientific