Hager 3480 Grade 1 Cylindrical Withnell Storeroom Lever Lock with 2-3/4" Backset
Heavy-Duty Commercial Cylindrical Lock Solution
The Hager 3480 Grade 1 Cylindrical Withnell Storeroom Lever Lock delivers professional-grade security for commercial, industrial, and institutional applications. This heavy-duty cylindrical lock features a 2-3/4" standard backset with optional configurations available for 2-3/8", 3-3/4", and 5" backsets. Designed for door thickness ranging from 1-3/8" to 2", the lock incorporates wrought brass, bronze, and stainless steel exposed trim with zinc-based levers plated to match BHMA symbols. BHMA Grade 1 certified to ANSI A156.2 Series 4000 standards with UL/cUL listing for up to 3-hour fire rating applications.
Professional Features & Benefits
- Multiple Backset Options: Standard 2-3/4" backset with optional 2-3/8", 3-3/4", and 5" configurations for versatile installation requirements.
- Door Thickness Compatibility: Accommodates door thickness from 1-3/8" to 2" for wide application flexibility.
- Heavy-Duty Construction: Heavy gauge steel lock chassis with zinc dichromate coating for superior corrosion resistance and durability.
- Grade 1 Performance: BHMA certified to ANSI A156.2 Series 4000 Grade 1 standards for demanding commercial applications.
- Fire Rating Compliance: UL/cUL listed for all functions up to 3-hour "A" label single doors with UL10C positive pressure rating.
- Professional Installation Design: No exposed mounting screws with non-handed configuration and free-wheeling levers for enhanced security and ease of installation.
- Advanced Latchbolt Security: 1/2" throw stainless steel deadlocking latchbolt prevents manipulation when door is closed, with optional 3/4" throw available.
- Comprehensive Certifications: ADA compliant per ANSI A117.1, ANSI A250.13 severe windstorm compliant, and Miami Dade County NOA #22-0816.08 approved.
- 5-Year Manufacturer Warranty: Comprehensive warranty coverage for added confidence and long-term protection.
Technical Specifications
- Backsets: 2-3/4"
- Commercial/Residential: Commercial
- Door Strike: ASA Strike
- Door Thickness: 1-3/8" to 2"
- Functions: Single Cylinder
- Grade: Grade 1
- Handle Type: Lever
- Keyed: Yes
- Lock Type: Cylindrical
- Subcategory: Cylindrical Locks
- Warranty: 5 Year
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness between 1-3/8" and 2", backset distance, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and frame surfaces including 2-1/8" diameter cross bore and 1" diameter edge bore.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions for the selected backset configuration.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications using the thru-post mounting system.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion with free-wheeling lever operation.
- Test device operation to verify proper function including deadlocking latchbolt engagement and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.
Professional Applications
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Industrial and Warehouse Facilities
- Government and Municipal Buildings
- Multi-Tenant Residential Properties
- Institutional Facilities
Anti-Microbial Option
Anti-microbial coating available with US26D finish only for enhanced hygiene protection in healthcare and high-touch applications where contamination control is essential.
Why Choose Hager Quality?
Hager cylindrical lock products deliver professional-grade reliability with heavy gauge steel construction and zinc dichromate corrosion resistance rated for demanding commercial applications. Comprehensive 5-year warranty coverage provides added confidence for long-term performance. BHMA Grade 1 certification and multiple compliance standards including UL fire rating, ADA accessibility, and severe windstorm resistance ensure dependable operation where security and code compliance are essential.
Support Resources
Manufacturer Resources
Product Specs
- Warranty:
- 5 Year
- Keyed Function:
- Single Cylinder
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Product Type:
- Leversets
- Subcategory:
- Cylindrical Locks
- Keyed:
- Yes
- Commercial/Residential:
- Commercial
- Lock Type:
- Cylindrical
- Handle Type:
- Lever
- Grade:
- Grade 1
- Product Attribute:
- Cylindrical Locks
- Product Model:
- 3480
- Product Function:
- Storeroom
- Door Thickness Range:
- 1-3/8" to 2"
- Door Strike:
- ASA Strike
- Product Category:
- Mechanical Locks
- Backset (Distance):
- 2-3/4"
- Department:
- Door Hardware