Cement Board Screw #8 x 1-5/8'' (5,000/Case) PSCB158
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 1 3/4″ Concrete Masonry Screw Anchors Tapcon w/ Hex Head – 100 Pack - Paladin Distribution
Blue-Tap Concrete Screws Hex Head (3/8" x 4") Choice Of Finish - 25 pcs - Florida Fasteners Direct