The coating system consists of three layers; a metallic zinc layer, a high-grade anti-corrosion chemical conversion film, and a baked ceramic surface coating. Ruspert Coating meets ASTM B-117 for salt spray corrosion exceeding 1,000/hrs salt spray resistance. NIBS under head clamp board firmly.1000.7 for torsional strength and drill speed. Each box contains approximately 3,000 screws (30 pounds). Attaching cement board to metal studs, drill capacity. 035.100, drill speed 2500 RPM.
The item "#8 x 2-1/4 PHILLIPS WAFER HEAD RUSPERT SELF-DRILLING CEMENT BOARD SCREWS 3M Box" is in sale since Thursday, January 11, 2018. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Nails, Screws & Fasteners\Screws & Bolts". The seller is "fastenerusa" and is located in Modesto, California. This item can be shipped to United States.