By A Mystery Man Writer
Length 3-1/2 - Robertson® (square) Drive Screws with Lo-Root® threads (includes 2/3 ASTER® thread feature) - Yellow Zinc Finish with a Flat Head; #10
Robertson Flat-Head Lo-Root Screws - Lee Valley Tools
Robertson 12056FZ #12 x 3-1/2 Flat Head Zinc Plated Wood Screw
8 X 2-1/2 Flat 4 Lug Robertson® 2/3 Aster Lo-Root®, Deck Screws, Yellow Zinc, 300pcs
The Original Robertson Flat Head #10 Robertson Wood Screws / Zinc (PKG)
Screws, Drywall Screws, Lag Screws, Wood Screws & More
Everbilt #10 x 1-1/4 in. Zinc Plated Phillips Flat Head Wood Screw (100-Pack) 801892 - The Home Depot
Wood Screws at
FastenMaster Guard Dog Exterior Deck Screws for Treated Lumber – 3 inch flat head wood screws (1750 Pack) FMGD003-1750 - The Home Depot
Screw - Wikipedia