Thread Diameter: 3/16" (trade number 10); Thread Pitch: 1/24"; Screw Length: 1/2"Self-tappingThread-cutting Drive Style: Philips DrivePackage Included: 500 PCS 10 x 1/2 PHIL FLAT SMS UNDER CUT ZINC (SC1012FZ)SKU: SC1016$18.00PriceQuantityAdd to CartBuy Now