27/07/2026
🔒 Reliable Security Starts with a High-Quality Mortise Lock Body.
Our Stainless Steel 304 Four Round Bolts Security Mechanical Mortise Door Lock Body is engineered for commercial projects where durability, security, and long-term performance matter.
✅ SS304 stainless steel construction for excellent corrosion resistance
✅ Four-round bolt design for enhanced door security
✅ Smooth, stable, and reliable mechanical operation
✅ Suitable for wooden doors, metal doors, and commercial buildings
✅ Designed to meet EN12209 performance requirements
At D&D Hardware, we don't just manufacture products—we deliver complete commercial door hardware solutions.
Why choose D&D?
✔ 18+ years of manufacturing experience
✔ CE, UL & ANSI/BHMA compliant product portfolio
✔ ISO 9001 certified & SGS audited factory
✔ OEM & ODM manufacturing services
✔ 2,000+ commercial door hardware products
✔ Global project experience with customers in over 70 countries
From office buildings and hotels to hospitals, schools, and residential developments, D&D Hardware helps customers source reliable, durable, and internationally compliant door hardware for every project.
📩 Looking for a trusted commercial door hardware manufacturer? Contact D&D Hardware today.
Stainless Steel 304 Four Round Bolts Security Mechanical Mortise Door Lock Body, Find Details and Price about Four Bolt Lock Body and Door Lock Body from D&D HARDWARE INDUSTRIAL CO., LIMITED. Featuring High-Security Four-Bolt Lock Structure: Equipped with 4 solid deadbolts, 3-turn deadbolt locking s...
