BEST 1E Series Premium Core Special Length Mortise Cylinder with Interchangeable Core System

BEST 1E Series Premium Core Special Length Mortise Cylinder with Interchangeable Core System

Professional Mortise Cylinder Solution for Special Thickness Door Applications

The BEST 1E Series Premium Core Special Length Mortise Cylinder delivers professional-grade security for special thickness door applications requiring custom cylinder lengths. Machined from solid brass or bronze bar stock, this premium mortise cylinder features BEST’s interchangeable core system and may be master-keyed into any existing BEST system. Available in various lengths from 1-3/8" to 6" to accommodate doors of different thicknesses, with standard 1E-C4 cam supplied unless otherwise specified.

Professional Features & Benefits

• Special Length Compatibility: Available in 19 different lengths from 1-3/8" to 6" (length codes 22 through 96) for special thickness door applications.
• Premium Construction: Machined from solid brass or bronze bar stock for exceptional durability and long-term performance in commercial applications.
• Interchangeable Core System: Features BEST interchangeable core technology allowing master-keying into any existing BEST system for flexible key management.
• Enhanced Security Design: Diagonal set screw mounts in cylinder wall and when tightened, holds the cylinder securely in the housing for added security.
• Standard Configuration: Includes standard 1E-C4 cam and RP2 (6 pin) or RP3 (7 pin) ring packages unless otherwise specified for immediate installation.
• Universal Compatibility: May be altered to function with other manufacturers’ locks by use of different cams and different cylinder rings for versatile applications.
• Professional Documentation: Comprehensive service manual and catalog resources available for proper installation and maintenance guidance.

Technical Specifications

• Collection: E Series Cylinders
• Commercial/Residential: Residential
• Department: Door Hardware
• Parts and Accessories Type: Replacement Parts
• Product Attribute: Parts and Accessories
• Product Category: Mechanical Locks
• Product Group: Parts and Accessories
• Product Subgroup: Cylinders
• Product Type: Cylinders
• Series: 1E Series
• Subcategory: Parts and Accessories

Installation & Operation

1. Review manufacturer specifications and verify door preparation requirements including door thickness, stile width, and handing as applicable to this product.
2. Use manufacturer-provided templates to mark mounting hole locations accurately on door and/or frame surfaces.
3. Prepare door and frame by drilling required holes and routing as specified in manufacturer instructions.
4. Install all mounting hardware and secure the device to door and frame per manufacturer torque specifications.
5. Adjust operational components for proper alignment, latching, and smooth operation throughout the full range of motion.
6. 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

• Special Thickness Door Installations
• Commercial Building Retrofit Projects
• Educational Facility Security Upgrades
• Healthcare Institution Access Control
• Multi-Tenant Residential Properties
• Government and Municipal Buildings
• Industrial Facility Security Systems

Why Choose BEST Quality?

BEST 1E Series cylinders deliver professional-grade reliability with solid brass or bronze construction machined from bar stock for demanding commercial applications. The interchangeable core system provides flexible key management integration with existing BEST systems, while the diagonal set screw design ensures secure mounting in the cylinder housing. Engineered for special thickness door applications where standard cylinders cannot accommodate unique installation requirements.