Simpson Strong-Tie® metal screws are designed to provide strength and superior performance in steel and other metal applications. With a variety of features, these fasteners meet the requirements for residential, agricultural and commercial projects. The self-drilling fiber-cement screw is ideal for fastening fiber cement through furring strips to steel studs. Self-Drilling Fiber-Cement Screw — #8 x 2-1/4 in. #2 Square Drive, Type 410 (100-Qty) (Pack of 4).