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Rock-On Part # 23316 - Rock-On #9 X 1-5/8 In. Serrated Flat Head Star Drive Cement Board Screws (575-Pack) - Cement Board Screws - Home Depot Pro
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Amazon.com: Hard-to-Find Fastener 014973325732 Cement Board Self-Drilling Screws, 8 x 1-1/4, Piece-172 : Industrial & Scientific
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Rock-On #9 x 1-5/8 in. Serrated Flat Head Star Drive Cement Board Screws (140-Pack) 23311 - The Home Depot
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