Tubular Lockset

ANSI Grade 1 UL Cylindrical Lever Lockset - Model DDLK009

1. Product Overview

The DDLK009 Cylindrical Lever Lockset by D&D HARDWARE is a premium door lockset engineered to meet ANSI Grade 1 and UL Listed standards, delivering top-tier security and durability for residential and commercial entrances. Designed as a cylindrical lever lock with a passage function, this door lock offers seamless access control while maintaining a modern aesthetic—ideal for integrating with door handles, door closers, and panic exit devices in diverse door hardware systems.

Featuring a 6-pin removable core with Schlage "C" keyway and stainless steel bolt, the DDLK009 ensures robust protection and easy rekeying. It pairs effortlessly with D&D’s door hinges, door accessories (e.g., door stops, door seals), and panic hardware, providing a comprehensive security solution for high-traffic areas like offices, hotels, and residential buildings.

2. ANSI Grade 1 UL Cylindrical Lever Lockset - Technical Specifications

• Model Number: DDLK009
• Brand: D&D HARDWARE
• Certifications: ANSI Grade 1, UL Listed (3 Hours Fire Rating)
• Door Prep: Cross bore 2-1/8", Edge bore 1", Latch face 1-1/8"x2-1/4"
• Backset: 2-3/4" standard; 2-3/8" optional
• Face Plates: 1-1/8"x2-1/4" square corner (standard)
• Door Thickness: 1-3/8"–2" (standard)
• Cylinder: 6-Pin removable core, Schlage "C" keyway
• Strikes: ASA strike standard, 2-1/4" full lip square corner
• Bolt: 1/2" throw, stainless steel (ensures corrosion resistance and security)

3. ANSI Grade 1 UL Cylindrical Lever Lockset - Product Images and Videos

4. ANSI Grade 1 UL Cylindrical Lever Lockset - Product Features & Advantages

• ANSI Grade 1 Rating: Meets the highest ANSI performance standards for door locksets, ensuring durability and security in high-traffic commercial or residential applications.
• UL Listed (3 Hours Fire Rating): Certified for fire resistance, making it suitable for critical environments like hospitals, schools, and office buildings with strict safety requirements.
• 6-Pin Removable Core with Schlage "C" Keyway: Enables easy rekeying and compatibility with Schlage key systems, simplifying access control management for property managers or facility owners.
• Stainless Steel Bolt (1/2" Throw): Delivers robust security against forced entry, with corrosion resistance for long-term reliability in exterior or high-moisture settings.
• Passage Function: Allows operation from both sides without a key—ideal for spaces requiring frequent access (e.g., office corridors, hotel lobbies) while maintaining security.
• Seamless Integration with D&D Products: Works with D&D’s door closers, panic exit devices, door hinges, and door accessories to create a unified door hardware system—streamlining procurement and installation.

5. ANSI Grade 1 UL Cylindrical Lever Lockset - Installation Steps

1. Prepare Door & Tools: Ensure the door matches specifications (cross bore 2-1/8", edge bore 1", door thickness 1-3/8"–2"). Gather a screwdriver, drill, and measuring tape.
2. Install Latch Assembly: Insert the latch into the edge bore, aligning the face plate with the door edge. Secure with screws, ensuring the latch bolt operates smoothly.
3. Position Lockset Body: Insert the cylindrical lockset body into the cross bore, aligning it with the latch assembly. Ensure the lever orientation matches the door’s swing direction.
4. Secure Lockset & Strike: Tighten screws to fasten the lockset body to the door. Install the ASA strike plate on the door jamb, aligning it with the latch bolt for proper engagement.
5. Install Cylinder (if applicable): Insert the 6-pin removable core into the lockset body, ensuring it fits the Schlage "C" keyway. Test with a key to verify smooth operation.
6. Test Operation: Engage and disengage the lock using the lever and key (if applicable). Verify the passage function works correctly and the latch bolt aligns with the strike plate. Check compatibility with door closers or panic exit devices.

6. ANSI Grade 1 UL Cylindrical Lever Lockset - Application Scenarios

The DDLK009 ANSI Grade 1 Lockset is ideal for spaces requiring top-tier security, fire resistance, and ease of access, including:

In office buildings, it provides secure yet accessible passage for employees; in hotels, it ensures guest room security while matching door handle aesthetics. For hospitals and schools, its UL fire rating and ANSI Grade 1 durability support life-safety requirements, while integrating with panic exit devices for emergency egress.

7. ANSI Grade 1 UL Cylindrical Lever Lockset - Value for Buyers

• Top-Tier Security & Durability: ANSI Grade 1 and UL certification ensure long-term performance in high-traffic or critical environments, reducing maintenance and replacement costs.
• Fire Safety Compliance: UL 3-hour fire rating meets code requirements for commercial and public buildings, simplifying regulatory compliance for architects and contractors.
• Easy Access Control Management: 6-pin removable core allows quick rekeying, ideal for property managers or businesses needing agile access policy changes.
• Systematic Procurement: Compatible with D&D’s door locks, door closers, panic exit devices, and door hinges, enabling buyers to source a complete door hardware solution from one supplier—streamlining logistics and communication.
• Versatile Application: Suitable for diverse settings (commercial, residential, institutional) with standard door prep, minimizing installation complexity and costs.

8. ANSI Grade 1 UL Cylindrical Lever Lockset - Certifications and Compliance

The DDLK009 Lockset meets rigorous industry standards, ensuring reliability and market acceptance:

• ANSI Grade 1: Aligns with American National Standards Institute’s highest grade for door locksets, validating durability and security in heavy-use scenarios.
• UL Listed (3 Hours Fire Rating): UL-certified for fire resistance, ensuring the lockset maintains integrity during fire events—critical for life-safety in hospitals, schools, and offices.
• ISO 9001 Quality System: Produced in D&D’s ISO 9001-certified factory, with strict quality control at every stage (material sourcing, manufacturing, testing).

9. ANSI Grade 1 UL Cylindrical Lever Lockset - Customization Options

D&D HARDWARE offers OEM/ODM customization for the DDLK009 lockset to meet project-specific needs:

• Backset Customization: Select 2-3/4" (standard) or 2-3/8" backset to match non-standard door preparations.
• Keyway Customization: Modify keyway compatibility (e.g., beyond Schlage "C") for integration with existing key systems.
• Finish Customization: Add custom finishes (e.g., polished brass, matte black, satin nickel) to match door handle and architectural aesthetics.
• Branding & Packaging: Incorporate custom logos or engravings on lockset components and use branded packaging for distributors or branded projects.

10. ANSI Grade 1 UL Cylindrical Lever Lockset - Production Process & Quality Control

1. Material Sourcing: Procure high-strength alloys and stainless steel for lock components, testing for mechanical properties and corrosion resistance.
2. Precision Machining: Use CNC machining to shape lockset bodies, latches, and cylinders, ensuring dimensional accuracy for ANSI-compliant performance.
3. Assembly: Hand-assemble lockset components, including the 6-pin core, lever mechanism, and stainless steel bolt, ensuring smooth operation and alignment.
4. Quality Inspection: Each lockset undergoes functional testing (lock/unlock, passage function), dimensional checks, and visual inspection for defects.
5. Certification Testing: Random samples are tested for ANSI Grade 1 and UL fire rating compliance to verify performance under rigorous standards.
6. Packaging: Pack in protective white/color boxes or custom cartons to prevent damage during shipping, with clear labeling for easy identification.