Amazon.com: Velocity Concrete Screw Set – Includes 12 High-Performance Concrete Screws, 1 PSD® ACR® Drive Bit, and 1 Carbide Concrete Drill Bit (Flat Head"1/4 x 2 1/4") : Sports & Outdoors
Velocity Concrete Screw Kit with RedSeal Moisture Barrier – Includes 12 High-Performance Concrete Screws, 1 Drill Bit, and 1 Driver Bit (Flat Head, Size 1/4” x 2 1/4”): Amazon.com: Industrial & Scientific
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
1/4" X 2-3/4" Hex Head Blue Concrete Screws to Anchor Masonry, Block & – Bridge Fasteners
What drill bit size do you use to install a Tacpon Concrete Screw? – Bridge Fasteners
Tapcon 3/16 in. x 4-1/2 in. Steel Carbide Tip Masonry Drill Bit 11248 - The Home Depot