M3-0.5X40 Din 965 Metric Phillips Flat Machine Screw Full Thread Zinc (Pack Qty 2,000) BC-M340D965

Machine screws form a fastening superior in strength to spaced thread screws. Metric screws are the type almost exclusively used in items manufactured in Europe Steel: Class 4.8 machine screws shall be made from a carbon steel, partially or fully annealed as required, which conforms to the following chemical composition Carbon: 0.55% maximum; Phosphorus: 0.05% maximum; Sulfur: 0.06% maximum. Rockwell B 71 - 99.5 Stainless: A2 - A4 Stainless