
Lockwood 5570 127mm Backset Mortice Nightlatch - Satin Chrome
The Lockwood 5570 Mortice Nightlatch Primary Lock is a heavy-duty locking solution designed for demanding commercial and institutional environments.
Featuring automatic latching functionality, the nightlatch engages securely when the door closes, providing convenience and reliable security for high-traffic applications.
This primary lock can be adapted to suit a variety of functions and is compatible with a wide range of Lockwood furniture and cylinder configurations.
Usually ships in 10 business days
Key Features
- Heavy duty mortice nightlatch primary lock
- Automatic latching when door closes
- Suitable for commercial and institutional applications
- Deadlatch function for added security
- Compatible with Lockwood cylinder escutcheons and furniture
- Adaptable to various locking functions
Suitable Uses
- Commercial buildings and offices
- Hospitals and healthcare facilities
- Schools and educational institutions
- Hotels, clubs and public buildings
- High traffic door applications
Specifications
| Brand | Lockwood |
| Product Type | Mortice nightlatch |
| Function | Automatic deadlatch |
| Backset | 127mm |
| Door Thickness | 32-50mm |
| Bolt Projection | 15mm |
| Bolt Material | Stainless Steel |
| Standards | Tested to Australian Standard |
| Finish | Satin Chrome |
Frequently Asked Questions
Does this lock automatically when closed?
Yes, the nightlatch engages automatically when the door is shut.
Can this be used in commercial buildings?
Yes, it is designed for heavy-duty commercial and institutional use.
Is it compatible with Lockwood accessories?
Yes, it works with Lockwood escutcheons, turnknobs and plate furniture.
Additional Information
- Primary lock platform adaptable to various functions.
- Designed for durability in high-use environments.
- Commonly specified in commercial door hardware schedules.
- Supports a wide range of Lockwood cylinder configurations.
Lockwood branded products purchased new in Australia from authorised resellers are covered against defects in materials and workmanship for:
- Mechanical components: 25 years
- Electrical and electronic components: 2 years (excluding batteries)
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Lockwood Warranty Overview
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary depending on product type, mechanical components, electrical elements, and finish category.
This overview summarises the structure of Lockwood warranty coverage. Full terms, exclusions and claim procedures are set out in the official Lockwood Warranty document.
Warranty Periods Summary
Finish Coverage Guide
- Everbrass finishes: up to 25 years against corrosion, tarnishing and discolouration.
- Stainless steel, polished stainless steel, chrome plating and anodised finishes: typically up to 10 years.
- Decorative finishes including Antique Copper, Architectural Bronze, Oil Rubbed Bronze, Aged Brass, Polished Brass, Satin Brass and related variants: typically up to 2 years against corrosion.
- Unlacquered brass finishes will naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where cleaning and maintenance have not been followed.
What the Warranty Covers
- Defects in material and workmanship during the applicable warranty period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse, accidental damage or use outside published specifications.
- Improper maintenance or failure to follow care instructions.
- Unauthorised modification, repair or use of non-genuine parts.
- Exposure to corrosive environments including coastal air, salt spray, chemicals or pollution.
- Removal, refitment or associated labour charges.
- Products not originally sold in Australia through authorised channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product through the original place of purchase where applicable.
- If claiming directly, obtain a case number before returning goods.
- Products must be securely packed and clearly identified.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
Lockwood warranties operate in addition to rights available under the Australian Consumer Law. Goods come with guarantees that cannot be excluded. Customers may be entitled to a replacement or refund for a major failure and compensation for reasonably foreseeable loss or damage.
Where a product fails to meet acceptable quality standards and the failure does not amount to a major failure, the customer is entitled to repair or replacement.