Best 40HRS2 Replacement Spindle - For 40H & 45H Series Mortise Locks

The Best 40HRS2 is a genuine OEM Replacement Spindle specifically engineered for the Best 40H and 45H Series Mortise Locks. This high-torque spindle acts as the primary drive shaft, connecting the lever handles to the internal lock mechanism. Precision-cut for the standard 1-3/4" door thickness, the 40HRS2 is designed to withstand the rigors of institutional use in hospitals, universities, and government facilities.

Institutional Grade Features

• 40H & 45H Series Compatibility: Engineered to meet the exact tolerances of Best Access Systems' flagship mortise lines, ensuring seamless integration with the internal hubs.
• Standard Door Optimization: Factory-sized for 1-3/4" (44mm) thick doors, providing the correct depth for both interior and exterior lever engagement without the need for field modification.
  
• Anti-Sag Engineering: Designed to maintain the horizontal alignment of the lever handles, working in tandem with the internal lever return springs [link] to prevent drooping.
• High-Strength Steel Alloy: Manufactured to resist the shearing forces and rotational stress associated with high-frequency commercial openings.
• Direct OEM Fit: Restores the "vault-like" feel of the Best mortise lockset, eliminating the handle "slop" caused by worn or rounded aftermarket spindles.

Technical Specifications

• Manufacturer: Best Access Systems (dormakaba)
  
• Part Number: 40HRS2
• Compatible Lock Series: 40H and 45H Series Mortise Locks
• Standard Door Thickness: 1-3/4"
• Material: Hardened Steel