HD-CSC2 – 5/16-18 TO 1/4-20 CONVERSION MACHINE SCREW 1 5/16″ LENGTH 0 Recent PostsRecognition Walls Are On The Rise-Featured photo by FASTSIGNS Reno/Carson CityUpselling Standoffs for Sign ProfitsEarn Points for everything you purchase at Gyford with the Points Plus ProgramIntroducing Custom Engraved Designer Standoff Caps