'Machine Screw, Head Type Pan, Nylon, Length 1/4", Drive Type Slotted, Finish Natural, Thread Size 2-56, Head Dia. 0.155-0.167", Head Height 0.045-0.053", Temp. Range (F) -40 to 185, Tensile Strength (PSI) 19, Meets/Exceeds IFI, Package Quantity 50'