Socket Flat Head Screw, Head Type Flat, System of Measurement Inch, Drive Type Socket, Drive Size 5/32 in, Material Stainless Steel, Material Grade/Class 18-8, Finish NL-19, Thread Size 1/4 In.-20, Minimum Thread Length 11/32 in, Fastener Length 1/2 in, Head Height 0.161 in, Head Diameter 0.531 in, Pack Size Small Pack, Thread Style Fully Threaded, Special Features Not Applicable, Dimensional Standards ASME B18.3, Flange Diameter Not Applicable, Flange Thickness Not Applicable Foreverbolt(R) fasteners were designed over the last 15 years with NL-19(R). NL-19 is Foreverbolt's proprietary lab-tested process that alters the surface of stainless steel fasteners to produce a brighter finish, 1.9% increase in strength, and superior corrosion resistance.
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