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Bosch Chuck Key S3
The Bosch Chuck Key S3 is a replacement chuck key designed to fit keyed drill chucks, ensuring you can maintain a secure grip on drill bits and accessories during use.
Choosing the correct key type is essential for compatibility — this is a Type A key with a reference type of S3. Bosch produces replacement keys across multiple types (A, B, C, D, F, and G), so confirming the correct type for your chuck before ordering is important.
This key is suited to contractors, joiners, and tradespeople who need a reliable like-for-like replacement for a worn or lost chuck key, keeping their drill operational without unnecessary downtime.
Features and Benefits:
• Type A replacement chuck key compatible with keyed chucks
• Compact and lightweight at 83g for easy storage in a toolbox or kit bag
• Part of Bosch's range of chuck key types (A–G) for broad chuck compatibility
Specifications:
Key length (L2): 50mm
Outer length (L1): 110mm
Key width (SW): 4mm
Key diameter (Z): 8mm
Replacement key type: A
Reference type: S3
Net weight: 0.083kg
Specifications
More Help
If you require more information or assistance with this product please consult the links below :
There is a Bosch Professional manufacturer warranty for this product which covers all manufacturing defects for the normal lifetime of the tool but does not cover wear and tear or damaged cause by misuse. This does not affect your statutory rights. For more details see <a href='/bosch-professional-warranty/warranty/120/' style='margin: 0; padding: 0;'><strong>Bosch Professional Warranty</strong></a>.
Get help regarding Bosch Chuck Key S3
For any technical enquiries relating to this product it is best to call the manufacturer, Bosch Professional, direct on 0344 736 0109.
For any other queries relating to ordering this item, stock availability, existing orders or returning faulty items etc please contact us at Tooled-Up at sales@tooled-up.com or call on 020 8805 3535.


