Custom Large High Carbon Steel Coil Spring.

Custom Large High Carbon Steel Coil Spring. Customizable Material & Specs: Customers can choose material and specification; wire scope 0.1-100mm. High Fatigue Resistance: Shot-peening significantly increases the fatigue life of the spring. Corrosion Resistant Coating: Surface preparation and coating ensure excellent corrosion resistance. ISO 9001 Certified: Manufactured to ISO 9001 standards with strict fatigue testing. OEM Service Available: We accept all OEM orders and provide free samples for your design. Fast Sample Delivery: Free samples available with ready time of 7-10 days. Flexible MOQ: Low MOQ of 100PCS per item; small orders are accepted. Diverse Color Options: Available in Black, Red, Yellow, Green, and Grey.