Lockwood 303 Deadlock 6-Pin Mk Standard Profile (C4) - Satin Chrome Pearl
The Lockwood 303 Deadlock is a high security locking solution designed for both residential and commercial applications. Featuring a robust construction and advanced locking mechanism, it provides strong resistance against forced entry.
This deadlock is equipped with a 6 pin C4 cylinder and incorporates protective features such as clutching resistance and reinforced mounting. It is suitable for hinged doors and selected sliding door applications where enhanced security is required.
Usually ships in 10 business days
Non-Returnable Item: This product is a special order and is not returnable.
Key Features
- 6 pin C4 cylinder for enhanced key security
- Lockable internal turn knob with clutching mechanism
- Resists wrench, jemmy and hammer attack
- Strong interlocking case and mounting plate construction
- Concealed fixing for improved security and appearance
- Positive deadlocking action for secure locking
- Suitable for hinged and some sliding doors
- Key outside, turn knob inside operation
Suitable Uses
- Residential entry doors
- Commercial premises
- Office and retail security doors
- Hinged timber and metal doors
- Selected sliding door applications
Specifications
Frequently Asked Questions
Is this suitable for external doors?
Yes, it is commonly used on external residential and commercial entry doors.
Can this be keyed alike with other locks?
Yes, as a C4 cylinder it can be integrated into master key systems where required.
Does this fit sliding doors?
It can be used on some sliding door applications, but compatibility should be confirmed for the specific door type.
Additional Information
- Widely used across Australia as a standard security deadlock for residential and light commercial applications.
- The clutching mechanism helps prevent forced entry through knob manipulation.
- Proper installation is critical to achieve full security performance.
- Often specified in master key systems for commercial buildings.
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 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.
