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Home > Brook Hardware > Plain Mortice Rim Door Knob
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Plain Mortice Rim Door Knob

Web Price from: £119.00
RRP: £132.80
Product Code: 4122B-60-BH

A pair of Plain Mortice Knobs, shown here in our main image in Polished Brass Unlacquered.

  • Sold as a PAIR
  • Made in the UK
  • Choice of finishes - see images at bottom of page
  • UNSPRUNG door knobs
  • For use with mortice locks and latches
  • Supplied with fixings

Made to Order, so are non-returnable, please double check sizes before ordering and allow for a Lead Time of approx 3 - 4 weeks.

If you need your fittings sooner please contact us and we can check stock levels and advise.

Please see Additional Info tab for important information on Care Instructions and living in Coastal Areas.


This Plain Mortice Knob is the simplest of designs that suits a wide range of period properties and also more modern settings.

Made from premium quality brass and handcrafted for us in the West Midlands, using both traditional methods and modern manufacturing processes. Available in a wide range of finishes - see images at bottom of page.

You can buy the most popular finishes through our website. If you would like to order one of the other finishes, please contact us.

For use with Mortice locks and latches and come Unsprung as standard.

So, we recommend using a Heavy Duty or Heavy Sprung lock or latch which is at least 100mm to give a backset of 75mm or more. This is to ensure that the door knob turns properly and returns to the closed position, and that you do not catch your knuckles on the door frame or striker plate.

Sold as a Pair and supplied with matching fixings. Always make a small pilot drill hole and use a manual screw driver to avoid damaging screws and finish.

Plain Mortice Knob - Dimensions

  • Knob Diameter - 47mm
  • Rose Diameter - 50mm

All measurements are approximate and should be used as a guide only, this is due to the handcrafted nature of the products.

Information on Finishes

Suitable for interior and exterior locations

  • Polished Brass Unlacquered
  • Aged Brass **
  • Light Antique Brass **
  • Matt Black Bronze **
  • Satin Chrome
  • Satin Nickel
  • Polished Chrome
  • Polished Nickel

** These Living Finishes receive a protective wax coating prior to dispatch. Normal wear and handling will allow the contact areas to reveal the metal below helping to create and aged effect. High usage locations will speed up the ageing process. An occasional application of good quality beeswax can be applied if required.

Suitable for interior locations only

  • Satin Brass ^
  • Dark Bronze Metal Antique ^

^ These Decorative Lacquered finishes are not recommended for high usage locations. Application of incorrect chemicals or alcohol based cleaners can result in advanced deterioration of the lacquer. Please be aware that the life of the lacquer can also be affected by many environmental and atmospheric conditions.


Made to Order, so are non-returnable, please double check sizes before ordering and allow for a Lead Time of approx 3 - 4 weeks.


We aim to process orders within the first 24 hours and have your items dispatched within 2 – 3 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

  • £6.75 – UK Mainland (not including Scottish Highlands, Scottish Islands, Northern Ireland, the Channel Islands or other UK offshore locations)
  • £15.00 – Channel Islands and Isle of Wight
  • £22.00 – Scottish Highlands and Scottish Islands
  • £26.50 – Northern Ireland, Isle of Man and Isles of Scilly
  • European Union Destinations - Click here for delivery estimates >

Please contact us for Non-European Union and Worldwide quotes.

Find Out More About Delivery >

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.

Read Our Care Instructions >

Available Finishes

This product is available in the following finishes:

Aged Brass
Aged Brass
Antique Brass
Antique Brass
Antique Nickel
Antique Nickel
Autumn Bronze
Autumn Bronze
Dark Bronze Metal Antique
Dark Bronze Metal Antique
Distressed Antique Brass
Distressed Antique Brass
Distressed Antique Nickel
Distressed Antique Nickel
Distressed Oil Rubbed Bronze
Distressed Oil Rubbed Bronze
Imitation Bronze Unlacquered
Imitation Bronze Unlacquered
Light Antique Brass
Light Antique Brass
Matte Black Bronze
Matte Black Bronze
Oil Rubbed Bronze
Oil Rubbed Bronze
Pearl Nickel
Pearl Nickel
Polished Chrome
Polished Chrome
Polished Nickel
Polished Nickel
Satin Brass Unlacquered
Satin Brass Unlacquered
Satin Chrome
Satin Chrome
Satin Nickel
Satin Nickel
Smoked Brass
Smoked Brass
Zero Black
Zero Black

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