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Crain Tools No. 1555-O Set Screw is a precision fastening component engineered for professional flooring installation applications. This set screw delivers reliable holding power in demanding environments where vibration and movement could compromise standard fasteners. Designed with exacting tolerances, it ensures consistent performance across repeated installations. Ideal for securing critical components in flooring machinery and equipment, this fastener meets the durability standards expected by experienced contractors and installers who depend on quality hardware for flawless results.