fine threads and the self drilling tip make these screws ideal for penetrating and holding into metal framing studs and other types of metal or aluminum framing

14 x 9 OlyLog® Log Home Fastener (250)

3-4 A563 Grade A Heavy Hex Nut Hot Dipped Galvanized

Wings above drill point provide clearance hole in work piece so it won’t climb up the shank

7/8-9 x 9 Grade 5 Hex Cap Screw Zinc Plated M12-1.75 Socket Set Screws Cup Point DIN 916 Black Oxide fine threads and the self7 8 9 x 9 Grade 5 Hex Cap Screw Zinc Plated . Grade 5 Hex Cap Screws are manufactured from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Zinc plated material meets or exceeds ASTM F1941. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1