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Modified truss head self-drilling screw can be tapped without drilling the hole firstly. Hidden style keeps objects flat and beautiful. It’s suitable for roofs and metal surfaces, residential steel frames and other light steel frame structural engineering projects.
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Phil Modified Truss Head Self Drilling Screw
Modified truss head self-drilling screw can be tapped without drilling the hole firstly. Hidden style keeps objects flat and beautiful. It’s suitable for roofs and metal surfaces, residential steel frames and other light steel frame structural engineering projects.
