BEST 1EF Series Standard Lost Motion Mortise Cylinder with Premium Core

BEST 1EF Series Standard Lost Motion Mortise Cylinder with Premium Core

Professional Mortise Cylinder Component

The BEST 1EF Series Standard Lost Motion Mortise Cylinder delivers professional-grade security for mortise lock applications. This premium core cylinder features a 1-5/32" diameter with solid brass or bronze construction and includes the 1E-C230 cam configured for lost motion operation. Available in 6-pin (1-1/8" length) and 7-pin (1-1/4" length) configurations with standard RP2 ring package for versatile installation requirements.

Professional Features & Benefits

• Precision Diameter: 1-5/32" diameter ensures proper fit in standard mortise lock preparations.
• Flexible Length Options: Available in 6-pin (1-1/8" length) and 7-pin (1-1/4" length) configurations to match specific lock requirements.
• Heavy-Duty Construction: Solid brass or bronze materials provide exceptional durability and corrosion resistance for long-term performance.
• Lost Motion Configuration: Standard 1E-C230 cam is factory-configured for lost motion operation, eliminating field modification requirements.
• Versatile Handing Options: Available in RHO (Right Hand Outside), RHI (Right Hand Inside), LHO (Left Hand Outside), and LHI (Left Hand Inside) configurations.
• Standard Ring Package: Includes RP2 ring package for 6-pin and 7-pin cylinders unless otherwise specified for consistent installation.
• Professional Ordering System: Structured ordering procedure ensures accurate specification of all configuration options including handing and stop pin placement.

Technical Specifications

• Collection: E Series Cylinders
• Commercial/Residential: Residential
• Department: Door Hardware
• PDF:E Series Service Manual: https://zensupply.com/content/pdf/best/E-Series-Service-Manual.pdf
• 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: 1EF Series
• Subcategory: Parts and Accessories

Installation & Operation

This replacement cylinder component is designed for use with compatible BEST mortise lock systems. Refer to the parent device installation instructions and manufacturer documentation for proper integration. Ensure compatibility with existing hardware before installation.

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Multi-Tenant Residential Properties
• Government and Municipal Buildings
• Industrial and Warehouse Facilities

Why Choose BEST Quality?

BEST 1EF Series cylinders deliver professional-grade reliability with solid brass or bronze construction engineered for demanding commercial applications. The precision-manufactured components ensure consistent operation and long-term durability where dependable security performance is essential.