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These Black Cranked Knob Bolts are tight fitting, well made and include a unique spring mechanism. Available in Black or Beeswax finishes and a choice of 4" or 6". The bolt slides through a receiver plate (mortice plate) which covers the hole made in the frame, wall or floor, making these cranked bolts suitable for outward opening doors.
The Black is a traditional satin Black finish, baked in a high-temperature oven giving it an attractive, durable and corrosion-resistent finish. The finish is low maintenance when used internally, if used externally it will require more. In all cases we do recommend that it is wiped with a lightly oiled cloth periodically. This will help to remove surface dirt and restore it back to its original condition.
The Beeswaxis the most authentic finish for steel. When the highly skilled blacksmiths have finished forging the colours left in the steel range from blue to deep red ochre. To preserve these beautiful colours and texture they are finished with just pure beeswax. Because of this they are only suitable for internal use. We recommend that wiping the hinges with beeswax from time to time will help protect and maintain the product. Some surface rust may occur with time, this can be treated with 00 grade wire wool followed by a light coating of beeswax.
Never use any form of metal cleaner or aerosol spray.
Supplied with matching fixings. The screws supplied are hand finished, so please take care when fixing. Always use a pilot drill.
Black Cranked Knob Bolts
Dimensions
4"
- Fixing Plate - 90mm x 36mm
- Receiver Plate- 34mm x 19mm
6"
- Fixing Plate - 158mm x 51mm
- Receiver Plate- 51mm x 25mm
Due to the hand crafted nature of the products all measurements are approximate. These should be used as a guide only.
Generally in stock and dispatched within 2 - 3 days
We aim to process orders within the first 24 hours and have your items dispatched within 1 – 2 days, providing items are in stock.
For made to order or bespoke items these need to be created so the time varies. Find out more on our Delivery Information page.
Delivery Costs
- £4.75 – UK Mainland (not including Scottish Highlands, Scottish Islands, Northern Ireland, the Channel Islands or other UK offshore locations)
- £16.50 – Scottish Highlands, Scottish Islands, Northern Ireland, the Channel Islands and other UK offshore locations
- £28.00 – European Union Destinations
Please contact us for Non-European Union and Worldwide quotes.
Care Instructions
In order to keep your products in peak condition, it’s important that they’re cared for properly. More information on how to look after your purchase, please see our Care Instructions page.
Atmospheric Conditions and Coastal Areas
Harsh environmental conditions and the salt in sea air will cause finishes to deteriorate prematurely. Read our Care Instructions on how to look after your purchase, and for our guide to which finishes are more suited to these conditions.
Commercial Environments
As with atmospheric conditions, high use, commercial environments will also cause finishes to deteriorate prematurely. Read our Care Instructions for details on how to look after your products in these environments.
