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The Schlage 09-509-027 Thumbturn is a replacement part built for use with L Series rose trim, giving you a reliable way to operate deadbolt and privacy functions from the interior side of the door. Designed to accommodate door thicknesses ranging from 1-3/8" to 1-7/8" (extended equally), this component ensures proper fit and smooth thumbturn action across a variety of commercial installations. As a genuine Schlage part, it maintains the durability and precise engineering expected from one of the industry's most trusted lock manufacturers, making it an ideal choice for maintenance, repair, or retrofit projects.
Features
Included Components
This item is supplied as a standalone thumbturn assembly intended to replace or complete the interior trim on compatible L Series locksets.
| Manufacturer | Schlage |
| SKU | 09-509-027 |
| Product Type | Thumbturn |
| Compatible Trim | L Series Rose Trim |
| Origin | USA |
| Unit of Measure | Each |
| Application | Interior door operation |
| Fit Type | Extended Equally |
| Product Line | Schlage L Series |
| Limited Warranty | Yes, per Schlage warranty terms |
| Minimum Door Thickness | 1-3/8" |
| Maximum Door Thickness | 1-7/8" |
| Adjustment Range | 1-3/8" to 1-7/8" (extended equally) |
| Component Category | Lock trim / thumbturn |
| Mounting Type | Rose trim compatible |
| Operation | Manual thumbturn |
| Series Compatibility | Schlage L Series |
| Extension Configuration | Equal extension across door thickness range |
| Function | Deadbolt / privacy interior control |
| Part Reference | 09-509 |
SKU:
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