5LB 3.5x10Star AP Screw

5 LB, 3-1/2" x 10, Star All Purpose Screw, Sharp Point, Serrated Threads For Reduced Drive Torque, 6 Point Star Drive System Eliminates Cam Out, 4 Sharp Countersinking Blades, Coarse Thread For Optimal Holding Power, Knurled Section Prevents Splitting, Lifetime Guaranty.