Used in applications where standard wood screws cannot support the load (deck building, etc., ) X 3 in., A307 Grade A Hot Dip Galvanized Steel (25 Pack). SKU: 9056313. $19.99 ... Hex Lag Screws, 3/8 in. X 3 in., A307 Grade A Zinc Plated Steel (25 Pack Lag screw bolts are used in place of standard wood screws whenever the mounting surface must bear a heavy load. Prime-Line Hex Lag Screws 3/8x3 Inch Heavy Duty Zinc Bolts s Prime-Line 3/8 In. X 3 In. A307 Grade A Zinc Plated Steel External Hex Lag Screw Features deep wood screw threads and does not accept a nut Buy Prime-Line 9056313 Hex Lag Screws, 3/8 In. X 3 In, A307 Grade A Hot Dip Galvanized Steel (25 Pack), Zinc Heavy duty wood screw with 6 sided hex bolt head The hex head allows for lag screws to be tightened with more torque than can be used on phillips head screws, though a pilot hole is still required prior to installation.
