
Mortise Door Lock 7255 Stainless Steel Cylinder Lockbody. Premium Material Construction: Key components made of Stainless Steel 304 with anti-fingerprinting body for durability. Customizable Dimensions: Door thickness and lock cylinder length are fully customized to fit specific requirements. Standard Installation Fit: Features 72mm center length and 55mm backset for standard door installations. ISO9001:2015 Certified: Factory holds ISO9001:2015 quality assurance certificate ensuring strict quality control. High Production Capacity: Capable of producing 400,000 pieces per month to support large orders. 5-Year Warranty: Comprehensive 5-year guarantee provided for after-sales service and product reliability. OEM/ODM Support: Factory supports OEM and ODM services with 5 R&D engineers for custom solutions. Professional Quality Control: Strict inspections including incoming, in-process, and pre-delivery checks ensure quality.