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DIN Flat Deadlock Backset 55mm Structure Introduction
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Surface Finish Label
Lock Case Color Label
Satin Stainless Steel (SSS)
SSS stands for Satin Stainless‑Steel, the most‑popular brushed metal finish for DIN Flat Deadlock forend and strike‑plate components. This matte brushed texture resists fingerprints, scratches and daily abrasion, ideal for high‑traffic public buildings, timber and steel entrance doors. The durable SUS304 brushed surface delivers reliable rust‑proof performance for coastal, humid and commercial‑use door hardware.
Application Scenarios
High-Use Public Buildings
Schools, hospitals & community premises for heavy‑duty misuse‑resistant hardware
Fire Rated Timber & Metal Doors
EN certified for fire‑resistant exit and passage sash doors
Office & Hotel Interior Doors
Commercial‑grade durable mortice lock‑body for long‑term daily operation
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