17 X 4" Heavy Duty Structural Wood Screws - Exterior Coated Heavy Duty Wood Screws - Use for Fastening Ledger Boards, Large Timbers, Logs and More (50 Approx. Screw Count): Amazon.com: Industrial & Scientific
1/4" x 3-1/2" Simpson Strong-Tie Titen HD Countersunk Head Heavy-Duty Screw Anchor Zinc Plated, 50/Box
17 Heavy Duty Structural Wood Screws - Exterior Coated Heavy Duty Woo – JakeSales.com
1/2" X 6" - 304 Grade Stainless Steel lag Screws, Hex Head Fasteners, Stainless Steel Screw.
What is Heavy Duty Screw?
Simpson Strong-Tie THD37300H - 3/8-in x 3-in Titen HD Heavy-Duty Screw Anchor (Single) - Fence Supply Inc.
3-Hole Heavy Duty Large D-Ring Hanger with #8-1/2" Screws – ADS ART DISPLAY SYSTEMS
Simpson SDS Screws Heavy Duty Connector Screw (Choose Size & Quantity) | eBay
SDS Strong‑Drive Heavy Duty Connector Screw | Strong-Tie | Together we're helping build safer stronger structures
Buy the OMG FMTLOK08-250 Timberlok Wood Screws - Heavy Duty ~ 8" . | Hardware World
Tree House Lag Bolt | Galvanized Fasteners – Treehouse Supplies
Simpson Strong-Tie 1/4 in. x 3 1/2 in. Strong-Drive SDS Heavy-Duty Type 316 Stainless Steel Connector Screw (5-Pack) SDS25312SS-RP5 - The Home Depot
15 x 2" Construction Lag Screw Exterior Coated Torx/Star Drive Heavy Duty Structural Lag Screw Far Superior to Common Lag Screws - Modified Truss Washer Head
Red Head Tapcon+ 1/2" x 5" Large Heavy Duty Hex Head Concrete Anchor S – BCP Fasteners
15 x 2-1/2" Construction Lag Screw Exterior Coated Torx/Star Drive Heavy Duty Structural Lag Screw Far Superior to Common Lag Screws - Modified Truss Washer Head - 100 SCREW COUNT - Walmart.com