These SPAX screws have a Round Washer Head for a large bearing surface, and a Torx drive for excellent torque. They are manufactured from Grade 5 Hardened Steel for added strength, and are available with a high corrosion resistance (HCR) plating for additional rust resistance. No pre-drilling is required in most materials. They will not break. SPAX screws are an instant solution for almost any construction project.
