The DDLK028 Heavy-Duty Deadbolt Lock for Bathrooms by D&D HARDWARE is engineered to enhance privacy, security, and accessibility in commercial restroom applications. Featuring a door bolt occupancy indicator (displaying "In Use" or "Vacant"), internal thumb-turn operation, and an emergency release key, this lockset ensures user convenience while meeting ADA (A117.1 Accessibility Code) requirements. Designed to integrate with D&D’s door hardware ecosystem (including bathroom door stops, door accessories, and door handles), it’s ideal for hotels, offices, and public facilities seeking robust restroom security.
Occupancy Indicator Functionality: External "In Use"/"Vacant" display eliminates unwanted interruptions in shared restrooms, enhancing user privacy and convenience.
Heavy-Duty Construction: Built for commercial-grade durability, resisting corrosion and wear in high-traffic bathroom environments.
ADA Compliance: Meets A117.1 Accessibility Code standards, ensuring accessible operation for users with disabilities.
Internal Thumb-Turn + Emergency Key: Internal thumb-turn for easy operation; emergency release key allows staff to access locked restrooms when needed, balancing privacy and safety.
Adjustable Backset: 60mm/70mm backset fits standard commercial bathroom door preparations, enabling flexible installation.
Seamless D&D Hardware Integration: Works with bathroom door stops, door handles, door closers, and door accessories to create a unified door hardware system for restroom spaces.
Prepare the Door & Tools: Ensure door thickness is 35mm–45mm. Gather a screwdriver, drill, and measuring tape.
Adjust Backset: Set the backset to 60mm or 70mm based on door specifications and alignment needs.
Install Lock Body & Indicator: Insert the lock body into the door edge bore, align the occupancy indicator faceplate with the door surface, and secure with screws.
Attach Thumb-Turn & Emergency Key Cylinder: Install the internal thumb-turn mechanism and external emergency key cylinder, ensuring alignment with the lock body.
Install Strike Plate: Align the strike plate on the door frame with the lock bolt, then secure with screws.
Test Operation & Integration: Verify smooth bolt extension/retraction, thumb-turn operation, emergency key function, and "In Use"/"Vacant" indicator visibility. Ensure compatibility with bathroom door stops or door closers (if installed).
In commercial office restrooms, the occupancy indicator streamlines traffic flow, integrating with door accessories for a polished look. For hotel guest bathrooms, it provides guests with privacy while staff can access via emergency key, pairing with door handles for cohesive design. In public facilities, ADA compliance ensures accessible use, matching bathroom door stops to prevent slamming and damage.
7. Toilet Knob Lock Cylinder ANSI Deadbolt Lock Leverset - Value for Buyers
Enhanced Privacy & Convenience: Occupancy indicator eliminates interruptions, while internal thumb-turn and emergency key balance user privacy and facility management needs.
Commercial-Grade Durability: Heavy-duty construction resists corrosion and wear in high-moisture, high-traffic bathroom environments—reducing maintenance costs.
ADA Compliance: Meets accessibility standards, ensuring inclusive use for all users and compliance with regulatory requirements.
Systematic Procurement: Integrates with D&D’s door locks, door hinges, bathroom door stops, and accessories, enabling buyers to source a complete door hardware solution for restrooms from one supplier—streamlining logistics.
Easy Installation & Operation: Adjustable backsets and intuitive thumb-turn/emergency key functionality make installation accessible and daily use convenient for occupants and staff.
D&D offers OEM/ODM customization for the DDLK028 bathroom deadbolt lock to meet project-specific needs:
Finish Customization: Add custom finishes (e.g., stainless steel, matte black) to match door handle and bathroom interior aesthetics for hotels, offices, or branded facilities.
Indicator Customization: Modify "In Use"/"Vacant" labeling or color schemes to align with facility branding or accessibility requirements.
Backset & Compatibility: Adjust backset lengths or modify lock bodies for non-standard door thicknesses in custom architectural projects.
Branding: Incorporate custom logos or engravings on lock bodies or indicator plates for property developers or brand-specific restroom solutions.
10. Toilet Knob Lock Cylinder ANSI Deadbolt Lock Leverset - Production Process & Quality Control
Material Sourcing: Procure high-quality corrosion-resistant alloys and components, tested for durability in high-moisture bathroom environments.
Precision Machining: Use CNC machining to shape lock bodies, occupancy indicators, thumb-turns, and emergency key cylinders—ensuring dimensional accuracy for ADA compliance.
Finishing & Coating: Apply corrosion-resistant finishes (e.g., stainless steel plating) with strict adhesion and uniformity testing for bathroom durability.
Assembly: Integrate lock mechanisms, occupancy indicators, thumb-turns, and emergency key cylinders, testing for smooth operation and clear indicator functionality.
Quality Inspection: Each lockset undergoes functional testing (bolt operation, thumb-turn/key access, indicator visibility) and visual inspection for defects—critical for commercial and ADA-compliant performance.
Certification Testing: Random samples are tested against ADA A117.1 standards to verify accessibility and performance in commercial bathroom applications.
Packaging: Pack in protective white/color boxes or custom cartons to prevent damage during shipping, with clear labeling for easy identification in logistics.
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