Hager 3700 Series 3753 Grade 2 Interconnected Lock with Entry Double Locking Function
Professional Commercial-Grade Cylindrical Lock Solution
The Hager 3700 Series 3753 delivers Grade 2 performance for medium-duty commercial and heavy-duty residential applications. This interconnected lock features adjustable 2-3/8" to 2-3/4" backsets and accommodates door thickness from 1-3/8" to 1-3/4". BHMA certified to ANSI A156.2 Series 4000 Grade 2 standards with UL/cUL listing for 3-hour fire rating applications, this lock combines reliable security with professional-grade construction.
Professional Features & Benefits
- Adjustable Backset Configuration: 2-3/8" to 2-3/4" (60mm - 70mm) adjustable backset accommodates various door preparations and installation requirements.
- Door Thickness Compatibility: Designed for 1-3/8" to 1-3/4" (35mm - 45mm) door thickness range for versatile commercial and residential applications.
- Grade 2 Certified Performance: BHMA certified to ANSI A156.2 Series 4000 Grade 2 standards ensuring reliable operation in medium-duty commercial environments.
- Fire-Rated Construction: UL/cUL listed for all functions up to 3 hours "A" label single doors with UL 10C Positive Pressure rating for fire door applications.
- Professional Trim Construction: Rose features wrought brass, bronze, and stainless steel construction with zinc-based levers plated to match BHMA finish symbols.
- Deadlocking Latchbolt Security: 1/2" (13mm) throw stainless steel latchbolt with deadlocking feature prevents manipulation when door is closed.
- ADA Compliant Design: Meets ANSI A117.1 Accessibility Code requirements for barrier-free access in commercial applications.
- Manufacturer Warranty: 5-Year warranty coverage for added confidence and protection in professional installations.
Technical Specifications
- Applications: Medium Duty Commercial; Heavy Duty Residential
- Backsets: Adjustable 2-3/8" - 2-3/4" (60mm - 70mm)
- Certifications: ADA Compliant ANSI A117.1 Accessibility Code; UL/cUL Listed for all functions up to 3 hours "A" label single doors; UL 10CPositive Pressure Rated; BHMA Certified ANSI A156.2, Series 4000, Grade 2
- Commercial/Residential: Commercial
- Cylinder and Keyways: Keyed Different - standard; Cylinder drilled 6 pin, Keyed 5 pin - standard; Other Keying options, including 6 pin keyed, available from factory; Zero bit cylinders will be 6 pin keyed; SFIC uncombinated or combinated, brass 6 pin or 7 pin cores sold separately
- Door Strike: ASA Strike
- Door Thickness: 1-3/8" to 1-3/4"
- Finishes: US3, US4, US10B, US26, US26D
- Functions: Storeroom (F86)
- Grade: Grade 2
- Handle Type: Lever
- Keyed: Yes
- Lock Type: Deadbolt
- Notes: No exposed mounting screws; Non-handed
- Options: Split Finish
- Series: 3700 Series
- Strikes: 1-1/4" x 4-7/8" (32 mm x 124 mm) ASA strike; Optional strikes available
- Subcategory: Cylindrical Locks
- Warranty: 5 Year
Installation & Operation
- Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
- Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
- Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
- Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
- Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
- Test device operation to verify proper function 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
- Retail Establishments
- Industrial and Warehouse Facilities
- Multi-Tenant Residential Properties
- Government and Municipal Buildings
Why Choose Hager Quality?
Hager 3700 Series locks deliver professional-grade reliability with wrought brass, bronze, and stainless steel construction rated for Grade 2 commercial applications. UL/cUL listed for 3-hour fire rating with BHMA certification ensures dependable performance in demanding commercial environments. Backed by a comprehensive 5-Year warranty, these locks are engineered for applications where reliable security and code compliance are essential.
Grade 1 cylindrical lock for commercial openings requiring high-cycle performance and ADA-compliant lever trim.Support Resources
- 3500 Series Grade 2 Lever Set Installation Instructions (PDF)
- 3500 Series Grade 2 Knob Set Installation Instructions (PDF)
- 2525 Series Grade 2 Lever Set Installation Instructions (PDF)
- 3800 Series Mortise Lock Sectional Installation Instructions (PDF)
- Lockset Knob and Lever Options (PDF)
- 3600 Series RC Wood Door Template - T-LS00154-Rev01.pdf (PDF)
- 3600 Series Wood Door Template - T-LS00148-Rev01.pdf (PDF)
- 3600 Series Metal Door Template - T-LS00186-Rev02.pdf (PDF)
- 3600 Series Door Template - 3600_Series.pdf (PDF)
- 3600 Drive-in Latch Bolt Door Template - T-LS00328-Rev01.pdf (PDF)
- T-LS00162-Rev06.pdf (PDF)
- T-LS00163-Rev03.pdf (PDF)
- T-LS00166-Rev04.pdf (PDF)
- T-LS00176-Rev06.pdf (PDF)
- T-LS00178-Rev06.pdf (PDF)
- T-LS00179-Rev04.pdf (PDF)
- 3600 Series Installation Instruction - I-LS00769.pdf (PDF)
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:
- Deadbolt
- Handle Type:
- Lever
- Grade:
- Grade 2
- Product Attribute:
- Cylindrical Locks
- Series:
- 3700 Series
- Product Model:
- 3640
- Backset (Distance):
- 2-3/8 or 2-3/4
- Product Function:
- Entry
- Door Thickness Range:
- 1-3/8" to 1-3/4"
- Door Strike:
- ASA Strike
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware