Hillman Group Lag Bolts 5/16 X 1 1/4 SS Hex Lag Screw • Fasteners Online Stainless Steel 5/16 X 4.5 Inch Lag Bolts 10 Pack The hex head is six-sided and ideal for easy driving and quick installation. Hillman 41819 Assorted Steel Plastic Screws The threads on lag screws are designed to embed into the wood, rather than relying on a nut to secure the connection. Find Hillman lag screws at Lowe's today. Shop lag screws and a variety of hardware products online at Hex Lag Screws are used for directly fastening into wood surfaces. L.H. Dottie RMS102412 Machine Screw Round Head, Slotted, No.10-24 Hex head is easily driven with simple wrenches and requires minimal clearance above the fastener , Stainless Steel