Steel Thread Cutting Screw， Black Zinc Plated， Truss Head， Phillips Drive， Type F， #8-32 Thread Size， 5/8" Length (Pack of 50)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Thread cutting screw with type F point has machine screw threads that taper down to a blunt edge and is suitable for heavy gauge sheet metal， aluminum， cast iron， brass， and plastic</li><li>Steel is often used in applications where strength is the primary consideration</li><li>Zinc plating resists corrosion and has a black reflective appearance</li><li>Truss head has an extra-wide low-profile domed shape for applications with minimal clearance</li><li>Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to prevent over-tightening</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51LsfOo3gFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41a5-EnUi8L.jpg" noproxy>