GRK GRK-10231 - RSS Structural Screws, 5/16-in x 5-1/8-in (300-Pack) IRWIN 3/8" Socket: 12

3/8" Socket: 12

Step Ladder Maximum Reach Height (ft): 12

Large hole sub base

ranging from 25/64" - 2 23/64"

GRK GRK-10231 - RSS Structural Screws, 5/16-in x 5-1/8-in (300-Pack) IRWIN 3/8" Socket: 12The GRK RSS (Rugged Structural Screw) is the premier alternative to traditional lag bolts, engineered for high demand structural applications. Made of specially hardened steel, these screws provide industry leading tensile, torque, and shear strength. The patented W Cut design and Zip Tip point allow for rapid penetration without the need for pre drilling, significantly reducing installation time and physical effort on the job site. Equipped with an