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UL ANSI Grade2 Fireproof Zinc Alloy Knob Lock

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UL ANSI Grade2 Fireproof Zinc Alloy Knob Lock

UL ANSI Grade 2 Fireproof Zinc Alloy Knob Lock - Model DDLK012 1. Product Overview The DDLK012 UL ANSI Grade 2 Fireproof Zinc Alloy Knob Lock by D&D HARDWARE is a high-performance door lockset engineered for superior security, durability, and fire resistance in residential and commercial spaces. As an ANSI Grade 2 certified solution, it exceeds 400,000 usage cycles and passes UL 3-hour fire tests, making it ideal for entryways requiring robust protection. Crafted with zinc alloy construction and stainless steel components, this door knob lock integrates seamlessly with D&D’s door hardware ecosystem (including door hinges, door closers, and door accessories), delivering both safety and aesthetic appeal. 2. UL ANSI Grade 2 Fireproof Zinc Alloy Knob Lock - Technical Specifications Model Number: DDLK012 Brand: D&D HARDWARE Door Thickness Compatibility: 1-3/8"–2" (standard residential and commercial doors) Backset: 2-3/4" (standard), 2-3/8" (optional) Door Prep: Cross bore 2…