Thread Forming Screw, Head Type Pan, Finish Zinc Plated, Material Steel, Screw Size 1/4 In., Fastener Length 1 1/4 in, Head Width 0.492 in, Head Height 0.175 in, Drive Size T30, Dimensional Standards ASME B18.6.3, SAE J933, Pack Size Small, System of Measurement Inch, Drive Torx Plus, Package Quantity 50