
Lockwood Standard Bottom Arm Strap - SPST80-393
The Lockwood SPST80-393 Standard Bottom Arm Strap is a replacement component designed for use with Lockwood floor closer systems.
This strap forms part of the arm assembly, assisting in transferring movement between the door and the floor closer mechanism. It is used in maintaining proper door control and ensuring reliable operation in high-traffic environments.
Commonly specified for maintenance and replacement applications, this component supports the longevity and performance of floor closer installations.
Usually ships in 3 business days
Key Features
- Replacement bottom arm strap for Lockwood floor closers
- Supports correct operation of arm assembly
- Designed for durability in commercial environments
- Maintains consistent door control performance
- Suitable for maintenance and repair applications
Suitable Uses
- Floor closer arm assemblies
- Commercial door installations
- Replacement of worn or damaged components
- Maintenance of door control systems
Full Specifications
Dimensions

Refer to the above diagram for dimensional layout and installation reference.
Frequently Asked Questions
Is this compatible with all floor closers?
It is designed specifically for Lockwood floor closer systems.
Is this a complete arm assembly?
No, this is the bottom arm strap component only.
When should this be replaced?
It should be replaced if worn, damaged, or affecting door operation.
Additional Information
- Commonly used in commercial door closer maintenance.
- Incorrect installation may affect door closing performance.
- Should be matched with original Lockwood components.
- Helps maintain compliance in controlled door environments.
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)
Lockwood Floor Closers Catalogue

Lockwood Floor Closers Catalogue
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.