12-14 x 3 1/2 6-Lobe Flat Self Drilling Screw Fully Threaded Zinc & Bake 5/16-24 NTE The 5/16 x 1 1/2

The 5/16 x 1 1/2 Hex Lag Screw is a versatile and durable fastener designed for heavy-duty applications

these washers are designed to withstand demanding applications

These fully threaded bolts feature a black oxide and oil finish for enhanced corrosion resistance

installing fixtures

this hex cap screw is an ideal choice for demanding applications

12-14 x 3 1/2 6-Lobe Flat Self Drilling Screw Fully Threaded Zinc & Bake 5/16-24 NTE The 5/16 x 1 1/2These 12 14 x 3 1 2 inch 6 lobe flat self drilling screws are fully threaded and coated with zinc and baked for corrosion resistance. They have a sharp point that drills its own pilot hole, making them ideal for use in metal, wood, and plastic. The 6 lobe drive provides a secure grip, reducing the risk of cam out. These screws are perfect for a variety of applications, including roofing, siding, and framing.