MADE FROM 316 STAINLESS STEEL, THESE SCREWS COME IN A PLAIN FINISH OR NL-19 CORROSION-RESISTANT FINISH. NL-19 FINISHES ARE PROPRIETARY TREATMENTS THAT MODIFY THE SURFACE OF STAINLESS STEEL FASTENERS, MAKING THEM BRIGHTER, STRONGER, AND MORE CORROSION-RESISTANT THAN PLAIN STAINLESS STEEL. THESE 316 STAINLESS STEEL HEX SCREWS ARE MORE CHEMICALLY RESISTANT THAN 18-8 STAINLESS STEEL AND ARE DESIGNED FOR CHEMICAL AND MARINE ENVIRONMENTS TO SECURE HEAVY-DUTY OBJECTS WITHIN OR AGAINST OTHER OBJECTS.
