
Lockwood 3570 Series Extended Spindle 100mm Door (Box of 10) SP3570-5238
The Lockwood 3570 Series Extended Spindle is a replacement split spindle designed for use with Lockwood Synergy 3570 series mortice locks.
This spindle is used to connect door furniture through the lock body, enabling handle operation. Extended spindle configurations are required where door thickness exceeds standard ranges.
This model suits door thicknesses from 75mm to 100mm and is supplied in a box of 10 for installation and servicing applications.
Usually ships in 10 business days
Key Features
- Designed for Lockwood 3570 Synergy series mortice locks
- Extended spindle for thicker door applications
- Split spindle configuration
- Suitable for door thickness 75mm to 100mm
- Supplied in box of 10 units
Suitable Uses
- Lockwood 3570 series installations
- Thick door applications requiring extended spindle
- Commercial door hardware fit-outs
- Replacement of incorrect or damaged spindles
Specifications
Frequently Asked Questions
When do I need an extended spindle?
When door thickness exceeds standard spindle length, typically above 75mm.
What happens if the spindle is too short?
Handles will not engage correctly, leading to poor operation or failure.
Is this compatible with other lock brands?
It is designed for Lockwood 3570 series and compatibility with other brands is not confirmed.
Additional Information
- Incorrect spindle length is a common installation issue.
- Split spindle design allows independent handle operation.
- Used in thicker commercial doors and specialised installations.
- Always confirm door thickness before selection.
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 Synergy Mortice Locks Catalogue

Lockwood Synergy Mortice Locks Catalogue
Lockwood Warranty
Lockwood branded products are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty periods vary by product type, with separate cover for mechanical components, electrical and electronic parts, keys, and finishes.
The summary below sets out the standard warranty structure. All warranty claims are handled by Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries. Full terms and exclusions are set out in the official Lockwood warranty document linked at the base of this page.
Warranty 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.
- PVD and VIVID finishes: typically up to 10 years.
- Symmetry range finishes: typically up to 5 years.
- Decorative finishes (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 naturally age and change appearance over time. This is not considered a defect.
- Tea staining of stainless steel is not covered where the required cleaning and maintenance have not been followed.
How to Make a Claim
- Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries with your proof of original purchase.
- Keep the product securely packed and clearly identified, ready for assessment.
- Where a claim is escalated to the manufacturer, ASSA ABLOY may issue a case number before goods are returned.
- ASSA ABLOY assesses the claim and determines repair, replacement with the same or closest equivalent product, or refund of the purchase price.
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.
These manufacturer warranties apply in addition to your rights under the Australian Consumer Law. Our goods come with guarantees that cannot be excluded under the ACL. You are entitled to a replacement or refund for a major failure and to compensation for any other reasonably foreseeable loss or damage. Where a failure does not amount to a major failure, you are entitled to have the goods repaired or replaced.