Premium Stainless Steel Compression Springs – Unplated, Corrosion-Resistant, Industrial-Grade;316 stainless steel spring with excellent corrosion resistance and long-lasting strength than 304 one—perfect for DIY projects, repairs, outdoor gear, and harsh or humid environments. Crafted from solid 316 stainless steel with no plating or coatings, these compression springs deliver superior corrosion resistance, making them ideal for demanding environments. The inclusion of molybdenum (2-3%) enhances durability compared to standard 304 stainless steel, ensuring reliable performance in marine, chemical, and high-temperature applications. Key Features: ✔ High-Grade Material: Unplated 316 stainless steel construction prevents coating degradation over time. ✔ Exceptional Corrosion Resistance: Withstands exposure to saltwater, chemicals, and moisture. ✔ Precision Engineering: 10.5mm (0.41") outer diameter, 56mm (2.2") free length, and 1.5mm (0.06") wire diameter for consistent performance. ✔ Industrial Design: Closed and ground ends provide stable force distribution and alignment. ✔ Versatile Use: Suitable for machinery, automotive components, medical devices, and food processing equipment. Compliance: Manufactured to meet ASTM A313 standards. Material composition verified for quality assurance.