Interlock 500 4B Stainless Steel Friction Stay – P1004
The Interlock 500 4B is part of the 4B Series premium stainless steel friction hinge range designed for projected top hung (PTH) window sashes.
Manufactured from 304 grade austenitic (non-magnetic) stainless steel, this hinge provides support and controlled frictional operation for larger residential and light commercial sashes.
This model is designated by its frame plate length and is selected based on sash height and weight. The 500 4B is rated for heavier applications within the 4B stainless range.
This product is a friction stay hinge only. Window control mechanisms, restrictors and fixings are not included.
2-3 Business Days
Key Features
- 4-bar friction hinge construction.
- Manufactured from 304 grade austenitic stainless steel.
- Non-magnetic corrosion resistant material.
- No sliding channels.
- Unique “pull-in” feature for controlled sash closing.
- Factory set friction level – no on-site adjustment required.
- Fixed directly through bearing eyelet and formed screw/rivet holes.
- New Zealand made.
- Designed for residential and light commercial PTH windows.
- Supplied as a pair.
Full Specifications
Item Code Family – 4B Series Stainless Hinges
Frequently Asked Questions
Is this suitable for side-hung windows?
No. The 4B Series is designed for projected top hung (PTH) windows.
What sash weight can P1004 support?
Maximum sash weight is 30kg.
Is friction adjustable?
No. Friction levels are factory set.
Are non-friction versions available?
Yes. Non-friction variants are available where window control mechanisms are used.
Additional Information
- Select hinge size based on sash height and weight.
- For lighter sashes, refer to 200 4B or 350 4B models.
- For windows requiring control arms, specify the non-friction (NF) variant.
- No fire rating or corrosion testing beyond material grade stated in the catalogue.
Dimensions
All dimensions shown are in millimetres. Letters correspond to the manufacturer’s dimension table for the 350 4B stainless steel friction hinge.
Interlock Projected Window Hardware Catalogue
ASSA ABLOY Manufacturer Warranty
Covered under official ASSA ABLOY warranty terms.
View full warranty details.
ASSA ABLOY Warranty Overview
ASSA ABLOY branded products sold in Australia are covered by manufacturer warranties issued by ASSA ABLOY Australia Pty Ltd. Warranty coverage varies depending on mechanical components, electronic components, cylinders and finish categories.
This overview summarises the structure of ASSA ABLOY warranty coverage. Full terms, exclusions and claim procedures are set out in the official ASSA ABLOY Warranty document.
Warranty Periods Summary
Finish & Material Notes
- Stainless steel does not mean stain-free. Tea staining is not covered where cleaning and maintenance guidelines have not been followed.
- Cosmetic, decorative and appearance damage is not covered.
- Battery failure or battery leakage damage is not covered.
What the Warranty Covers
- Defects in material and workmanship within the applicable period.
- Assessment by ASSA ABLOY to determine repair, replacement with the same or closest equivalent product, or refund of purchase price.
- Remedy determined at ASSA ABLOY’s discretion.
Common Exclusions
- Normal wear and tear.
- Misuse, abuse or installation outside published technical specifications.
- Improper maintenance or neglect.
- Unauthorised modification or repair.
- Use of non-genuine ASSA ABLOY parts or substitute components.
- Exposure to corrosive environments including coastal air, salt spray, chemicals, contamination or high humidity.
- Removal, refitment, freight or labour charges.
- Second-hand or imported products not sold through authorised Australian channels.
Warranty Claim Process
- Retain proof of original purchase.
- Return the product to the original authorised retailer where applicable.
- If claiming directly, obtain a case number before returning goods.
- Securely package returned goods and clearly reference the case number.
- Warranty assessment determines repair, replacement or refund.
Australian Consumer Law
ASSA ABLOY 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.
