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…