4-40 x 5/16 Phillips Flat Undercut Thread Cutting Screw Type 1 Fully Threaded Zinc N x LTH making it suitable for heavy-duty

making it suitable for heavy-duty use in machinery

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Secure heavy-duty projects with our premium 5/8" x 4 1/2" Hex Lag Screw

The three prongs on the nut help to distribute the load and prevent the nut from turning

The slotted top allows for easy tightening and loosening with a screwdriver or wrench

4-40 x 5/16 Phillips Flat Undercut Thread Cutting Screw Type 1 Fully Threaded Zinc N x LTH making it suitable for heavy-dutyThe 4 40 x 5 16 Phillips Flat Undercut Thread Cutting Screw Type 1 Fully Threaded Zinc is a versatile and durable screw designed for a wide range of applications. Made from high quality steel and coated with zinc for corrosion resistance, this screw features a Phillips drive for easy installation and a flat undercut head for a flush finish. Its thread cutting design allows it to create its own threads in materials like wood, plastic, and metal,