FastenMaster #0 x 4-in Black Ecoat Hex-Head Exterior Structural Wood Screws (50-Pack) in the Lag Screws department at Lowes.com
15x3-1/2" Black Wafer Head Structural Lag Screws. Used for Log Construction, Timber Framing, Laminated Beams and Pole Barns Among Other Uses. T-30 Torx/Star Drive (~50 Count) : Amazon.co.uk: Sports & Outdoors
XR Black Professional Structural Timber Screws - Flat Head - Concept Distribution
XR Black Professional Structural Timber Screws - Hex Washer Head - Concept Distribution
SDW Structural Wood Screw M8 x 86mm 50 Per Box - Black E coat - F H Brundle
No.16 (8mm) x 30mm Slotted Countersunk Wood Screws (DIN 97) - Black A2 Stainless Steel: Accu.co.uk: Precision Screws
1/2" x 2” - 25-Piece Black Lag Bolts, Rustproof Wood Screws, 4-Layer Ceramic BLAKOTE, 2X Protection of Galvanized Lag Screws by Makers Bolt : Amazon.co.uk: DIY & Tools
Simpson Strong-Tie Strong-Drive Structural Wood Screws In Stock at Kuiken Brothers Locations in NJ & NY - Kuiken Brothers