
Dormakaba Furniture Screw Extended 6640/01 – Extended Furniture Screws (Box of 2)
The Dormakaba 6640/01 is an extended furniture screw set used for plate furniture installations where extra reach is required for thicker doors. It is specified to suit dormakaba 6400, 6500, 6600, and 6700 series furniture and is supplied as a pair.
The supplied information specifies a 5/32 imperial metal thread that suits dormakaba and compatible stainless steel furniture such as Madinoz.
Key Features
- Extended length furniture screws for thicker door applications.
- Suits dormakaba 6400, 6500, 6600, and 6700 series plate furniture.
- Specified for doors from 50 mm to 95 mm thick.
- 5/32 imperial metal thread suitable for dormakaba and compatible stainless steel furniture.
- Phillips drive with countersunk head.
- Supplied as a box of two screws.
Specifications
- Item Code: DO664001
- Product Type: Extended furniture screws
- Series Compatibility: Dormakaba 6400, 6500, 6600, 6700 series furniture
- Door Thickness: 50 mm to 95 mm
- Overall Length: 120 mm
- Thread Type: 5/32 imperial metal thread (as specified in supplied information)
- Screw Drive: Phillips
- Screw Head: Countersunk
- Pack Size: Box of 2
What's In The Box
- 2 × Extended furniture screws (6640/01)
Suitable Uses
- Plate furniture installations on thicker doors where standard screws are too short.
- Replacement screws for dormakaba 6400, 6500, 6600, and 6700 series furniture.
- Maintenance or retrofit work on commercial doors with stainless steel plate furniture.
Dimensions
| Dimension | Size |
|---|---|
| Overall Length | 120 mm |
Frequently Asked Questions
- What door thickness range do these extended screws suit?
They are specified to suit doors from 50 mm to 95 mm thick. - Which dormakaba furniture series are these screws used with?
They are specified to suit dormakaba 6400, 6500, 6600, and 6700 series furniture. - Are these supplied as a single screw or a matched set?
They are supplied as a box of two screws for a back-to-back plate furniture installation.
Additional Information
- Extended furniture screws are commonly used when doors are thicker than standard commercial door sets, or where additional packers and gaskets are fitted under the plates.
- Installers typically check thread type and door thickness before ordering, as incorrect screw length can cause poor clamping or damage to plate furniture.
- If the door is at the upper end of the thickness range, confirm there is enough engagement for secure fixing across both plates.
dormakaba Warranty
dormakaba Australia Pty Ltd (ABN 14 067 969 466) provides the following warranty on all dormakaba branded products sold in Australia. This warranty is in addition to, and does not limit, your rights under the Australian Consumer Law.
Warranty Summary
How to Make a Claim
- Report the defect promptly. Contact Terry's Tradies Pty Ltd and its associated websites, trading names, and subsidiaries (including Gold Coast Smart Locks) as your point of sale in the first instance. Claims must be lodged no later than 1 month from the date the defect becomes obvious.
- Prepare your documentation. You will need proof of purchase (invoice or receipt), the date of delivery or installation, your name and address, and any maintenance records relevant to the product.
- Make the product available for inspection. dormakaba requires adequate access to the goods, fittings, and fixtures to assess any warranty claim and carry out repairs. If no fault is found, dormakaba's standard costs for inspection, service, and testing apply.
- Warranty work is conducted during normal business hours � 8:00am to 5:00pm, Monday to Friday.
Note: The expense of making a warranty claim (including transport and access costs) is borne by the purchaser.
Exclusions
This warranty does not cover:
- Damage or defects caused by misuse, abuse, neglect, or failure to follow dormakaba's selection, installation, and maintenance instructions
- Fair wear and tear
- Damage arising from installation not carried out by dormakaba or its authorised agents
- Damage caused to the structures the product is installed in, where installation was not by dormakaba or its authorised agents
- Damage caused by circumstances beyond dormakaba's control
- Defects within acceptable industry variances
- Products used other than for their intended purpose
- Damage from exposure to abnormal conditions, including but not limited to extreme temperature, water, fire, humidity, pressure, or stress
- Products that have been modified, built on, or repaired by a third party
- Products not maintained in accordance with dormakaba's care, cleaning, and maintenance instructions (as amended from time to time on the dormakaba website)
- Routine maintenance items (the purchaser's responsibility)
- Products installed, maintained, or operated other than in accordance with dormakaba's instructions
- Overhaul, replacement, or repair work carried out prior to dormakaba's approval of a warranty claim
Important Notes
In Australia, our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure, and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have goods repaired or replaced if they fail to be of acceptable quality and the failure does not amount to a major failure. Nothing in this warranty limits or excludes these statutory rights.
dormakaba reserves the right to replace defective parts with components of similar quality, grade, and composition where an identical part is unavailable. Refurbished parts or goods of the same type may be used. For discontinued or unavailable products, dormakaba may substitute an equivalent current product. All products replaced under warranty become the property of dormakaba.