Teks #12 2-3/4 in. Phillips Flat-Head Self-Drilling Screws (40-Pack) 21384 - The Home Depot
CONFAST 1/4" x 1-3/4" Concrete Screws 410 Stainless Steel Phillips Flat Countersunk with Concrete Drill Bit for Anchoring to Masonry, Block or Brick (50 per Box): Amazon.com: Industrial & Scientific
How to Install Tapcon Masonry Concrete Screws | Fasteners 101 - YouTube
The complete guide to concrete screws
Spax #10 x 3-1/2 In. Flat Head Interior Multi-Material Construction Screw (1 Lb. Box) - Power Townsend Company