Large Diameter Concrete Screws

Simpson Strong-Tie THD37400CS Titen HD (3/8" x 4") Zinc-Plated Countersunk Head HD Screw Anchor (50 Pack)

Simpson Strong-Tie THD37300HF1 Titen HD (3/8" x 3") Heavy-Duty Screw Anchor - Zinc Plated

Simpson Strong-Tie THD37300HC30 Titen HD (3/8" x 3") Heavy-Duty Screw Anchor - Zinc Plated (30 Pack)

Simpson Strong-Tie THD37300H6SSF1 Titen HD (3/8" x 3") Heavy Duty SS Screw Anchor - Type 316

Simpson Strong-Tie THD37300H6SS Titen HD (3/8" x 3") Heavy Duty SS Screw Anchor - Type 316 (50 Pack)

Simpson Strong-Tie THD37300H4SSF1 Titen HD (3/8" x 3") Heavy Duty SS Screw Anchor - Type 304

Simpson Strong-Tie THD37300CS6SS Titen HD (3/8" x 3") Countersunk Head HD SS Screw Anchor - Type 316 (25 Pack)

Simpson Strong-Tie THD37300CS Titen HD (3/8" x 3") Zinc-Plated Countersunk Head HD Screw Anchor (50 Pack)

Simpson Strong-Tie THD37212CS6SS Titen HD (3/8" x 2-1/2") Countersunk Head HD SS Screw Anchor - Type 316 (25 Pack)

Simpson Strong-Tie THD37212CS Titen HD (3/8" x 2-1/2") Zinc-Plated Countersunk Head HD Screw Anchor (50 Pack)