'Machine Screw, Head Type Cheese, Property Class 4.8 Steel, Length 6mm, Drive Type Slotted, Finish Zinc Plated, Thread Size M3 x 0.50mm, Head Dia. 5.5mm, Head Height 2.00mm, Tensile Strength (PSI) 60,900, Rockwell Hardness B71 to B99, Meets/Exceeds DIN 84A, Package Quantity 100'