SS304 Ball Plunger Screws for Mold Indexing with M12 M16, Limit Self-Locking Applicable to Southeast Asia and The EU. Superior Corrosion Resistance: Constructed from stainless steel to withstand humidity and salt spray, fitting coastal areas, outdoor equipment and vehicle instrument positioning without rust failure. High Wear-resistant Structure: Cut frequent replacement costs from abrasion failure; hardened polished steel ball endures repeated pop-up compression to lower your after-sales maintenance expenditure. Zero Rust Rate in 3-Year Coastal Usage:Whole stainless steel structure achieves zero rust failure within 3 years under salt fog coastal surroundings, securing stable positioning for outdoor equipment.