# Yale 5 Lever Polished Brass 5-Lever Mortice Deadlock 76mm Case - 57mm Backset | Mortice Locks | Screwfix.com

**Manufacturer:** Yale  
**MPN:** `B-M552-PB-78`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Yale |
| Manufacturer name | Yale |
| Manufacturer | Yale |
| Extra Product Name | Yale 5 Lever Polished Brass 5-Lever Mortice Deadlock 76mm Case - 57mm Backset \| Mortice Locks \| Screwfix.com |
| moq | 1 |
| MPN | B-M552-PB-78 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | B-M552-PB-78 |
| tierMinQty1 | 1 |
| tierMinQty2 | 3 |
| tierPrice1 | 22.99 |
| tierPrice2 | 20.69 |
| Backset Size (Imperial) | 2 |
| Backset Size (Metric) | 57 mm |
| Brand | Yale |
| Case Depth (Imperial) | 3 " |
| Case Depth (Metric) | 76 mm |
| Case Height | 110 mm |
| Case Width | 15 mm |
| Colour | Polished Brass |
| Fire Rated (Yes/No) | Non Fire Rated |
| Fire Rating | Not Fire Rated |
| Fixings Supplied | Fixings & Fittings Supplied |
| Ironmongery Colour | Brass |
| Ironmongery Finish | Polished |
| Lock Case Height | 89 mm |
| Manufacturer Guarantee | 2 Year Manufacturer's Guarantee (T&Cs Apply) |
| Model Name | 5 Lever Deadlock |
| Model No | B-M552-PB-78 |
| Mortice Lock Type | Deadlock |
| No Of Keys Supplied | 2 Keys Supplied |
| No Of Levers | 5 Lever |
| Pack Size | 1 |
| Pieces in Pack/Case | 1 |
| Plate Height | 168 mm |
| Plate Width | 26 mm |
| Product Depth | 78 mm |
| Product Height | 121 mm |
| Product Type | 5-Lever Mortice Deadlock |
| Product Width | 25 mm |
| Total Product Weight | 0.51 kg |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Screw Fix | B-M552-PB-78 | 22.99 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/54000000/54374500/part_--BM552PB78---Yale--0d3d638bb6.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp