PHILLIPS/SLOTTED TYPE; CARBON STEEL MATERIAL; ZINC PLATED FINISH; 4 INCH; 4 LENGTH - DECIMAL; 4 LENGTH - FRACTIONAL; 13 TPI; 1/2 INCH NOMINAL SIZE; .5 NOMINAL SIZE - DECIMAL; 1/2 NOMINAL SIZE - FRACTIONAL; ROUND HEAD STYLE; 1-1/4 INCH DRILL SIZE