Machine Screw, Head Type Pan, Material PEEK, Finish Plain, Drive Phillips, Thread Size 5/16 In.-18, Fastener Length 5/8 in, Head Width 0.605 in, Head Height 0.21 in, Drive Size #4, Tensile Strength 26,800 psi, Dimensional Standards ISO 9001:2008, Pack Size Small, Type Standard Machine Screw, System of Measurement Inch, Thread Style Fully Threaded, Thread Type Coarse, Package Quantity 10