ABUS Rock Series 83/55 Rekeyable Padlock - 55 mm Hardened Steel Body
The ABUS 8355NKD is a high security rekeyable padlock from the ABUS Rock Series, featuring a 55 mm hardened steel body and a hardened alloy steel shackle. Supplied keyed to differ, it incorporates a removable cylinder assembly to support professional rekeying and system integration.
Key Features
- Chrome plated hardened steel lock body.
- Hardened alloy steel shackle with Nano-Protect coating.
- Double ball locking mechanism.
- Removable cylinder for servicing and rekeying.
- Convertible from snap shut to key retained operation.
- Compatible with restricted keying systems.
- Supplied boxed.
Security & Compliance (Australia)
- SCEC approved for Security Level 3 (SL3) when fitted with approved keying.
- Use of lower rated keying will reduce the overall security classification.
Specifications
- Item Code: 8355NKD
- Brand: ABUS
- Keying: Keyed to differ
- Body Material: Hardened steel
- Shackle Material: Hardened alloy steel (Nano-Protect)
- Locking Mechanism: Double ball locking
- Rekeyable: Yes
- Key Profile: LW5
Dimensions

ABUS 83/55 Platform - Item Code Family
Frequently Asked Questions
Does this meet SCEC SL3 automatically?
Only when fitted with an approved SCEC keying system.
Can this padlock be rekeyed?
Yes. It is designed for professional rekeying.
Which version is preferred for high-risk sites?
The closed shackle 83CS55 variant is commonly specified.
Additional Information
- ABUS 83 series padlocks are designed to be serviced rather than replaced.
- Closed shackle variants reduce exposure to cutting attacks.
- Always confirm key system approval before deployment on SCEC sites.