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UNION C-Series Hercules Padlock - UNNB1K57A

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£141.60 (£179.81) (Ex VAT)£169.92 (Inc VAT)

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  • The UNION Hercules 1K57 padlock, has a vertical sliding shackle which comes through the staple hole making direct attack impossible.
  • Insurance Graded CEN6 and accredited Sold Secure Gold, this lock is ideal fo use in commercial or high security applications.
  • Supplied with 3 keys AVA.  


  • Shackle type - Concealed.
  • Shackle diameter - 16mm.
  • Locking mechanism - Key.  


  • Available with AVA 10 disc.
  • Key retention when the padlock is unlocked.
  • Hardened steel unsprung shackle.
  • Suitable for use with UNION 7B018 padbar.
  • Anti Drill.
  • Anti Saw.
  • Force Resistant.
  • Anti Pick.
  • Torque Resistant.
  • Corrosion Resistant.

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Delivery Information

Free delivery on all online orders over £39.99, delivered to the UK mainland only; A small order charge of £6.50 vat is charged on all orders under £39.99 (net). 

Many of our items are available for next day delivery, where items are made to order or not currently in stock delivery times will vary. Please contact us for a confirmed delivery date or alternatively a representative will confirm your order. 

Special delivery services are available; please contact our Sales Office to discuss your specific requirements. 

The following postcodes will be subject to a delivery surcharge: 

AB37 & AB38, AB41-AB56, FK19-FK21, IV1-IV40, IV52-IV54, IV63, JE1-JE5, KW1-KW14, PA21-PA40, PH15-PH41, PH49, PH50, HS, IV41-IV51, IV55 & IV56, KA27, KA28, PA20, PA41-PA78, PH42-PH44 and ZE, This also includes Northern Ireland. Certain products within our range are subject to a delivery surcharge when delivered to additional areas in Scotland than those already listed.

A customer service representive, will contact you upon receipt of your order to advise of the relevant charges or please call us to confirm the surcharge prior to placing your order

If you would prefer to collect your delivery from our warehouse, please select collection at the checkout and we will let you know when your order is ready to collect.

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Estimated delivery is for guidance only, an exact delivery date will be confirmed on your order acknowledgement. Please contact us for further information.We make every effort to ensure that the information provided on this page is accurate, we can not be held responsible for any errors, typography or otherwise. Illustrations and images are representational of typical styles and designs may vary. Prices and specifications may alter without prior notice.

ID 170421

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