Our team is dedicated to helping you achieve your needs in all aspects of precision grinding from cylindrical grinding of round parts to flat parts. We will only undertake projects if we are confident that the required specifications can be achieved.


Denner Kelford Grinding based in Birmingham, Wesgt Midlands gained AS9100 Rev D certification to keep up with supplier demand on quality assurance and to follow the correct and proper procedures they demand.


Our machines cover a wide range of component sizes which can be held between centers on a magnetic chuck, or on a 3-4 jaw chuck. These parts can vary in diameter from as small as 2mm to 609mm with lengths of nearly 2 metres.

We are experts in our field

We are here to listen to your requirements and deliver your products

Denner Kelford Grinding Ltd (DK Grinding) Birmingham are universal precision grinding and CNC formed punch grinding specialist in all aspects of the production process. We specialise in both conventional and CNC grinding services and are an AS9100 and ISO 9001 certified UKAS registered company. With over 55 years of experience in universal precision grinding services, we are more than capable of producing your items to your exact specifications.

Quality of service:
We take pride in every single item that leaves our workshop. Our clients know they can rely on the quality of our workmanship, which conforms to the highest certified UKAS standards.

You can contact DK Grinding either by phone or via email, contact details can be found here.

Our main market sectors

We cater for many sectors, below are just three examples


Cylindrical grinding


Surface grinding


Precision grinding

We perform precision cylindrical grinding from surface grinding to internal and external grinding, chuck work, centerless grinding, punch prinding, bores and angle radius precision grinding. We also offer cold forming tools, extrusion pins, ejector punches, headed punches, knockout pins, and non-standard form pins. Additionally we can accommodate all order quantities and utilise both conventional and CNC grinding methods. At DK Grinding we offer a wide range of precision services. Contact us for more information.

We machine-grind all forms of metals including sterling silver, mild steel, chrome, aluminum, cast iron, stainless steel, copper, tungsten, bronze, titanium and other materials. We are more than capable of CNC grinding both natural and man-made materials.

We specialise in precision CNC machining of universal prototypes such as pistons, rods, shafts plus much more. Our precision services encompass cylindrical grinding, surface grinding, CNC formed punch grinding, centerless grinding etc including both prototype grinding and final production grinding. With the assistance of CAM/CAD software and our in-house machinery, we have the capacity to grind materials up to 1900mm in length and 609mm in diameter (swing on certain component parts) with extremely high tolerances.

DK Grinding are capable of precision grinding both non-exotic and exotic materials without any issues whatsoever. Additionally we provide universal repair services through chroming and regrinding parts back to their original state. DK Grinding can supply and manufacture complete parts or simply CNC grind your existing components.

The extreme diversity of our business is clearly demonstrated by the variety of industries that make up our client base. DK Grinding caters to multiple industries, including aerospace and motorsport (for example, F1 and rallying).

No matter the size, complexity or engineering tolerances of your shafts, pins, bushes, rods or other parts, you can rely 100% on our team to complete your project to your exact specifications. If you are on a tight time frame you can contact us to inquire about our services and to find out how we can assist you. We will always do our utmost to accommodate your specific requirements.

We now offer a new on-site service here at DK Grinding
We provide precision CNC grinding services for cold forming tools including non-standard punches, precision headed pins, knockout pins, extrusion pins and ejector pins. These tools are available in a wide range of materials, coatings can be applied as per your requirements. Additionally we can manufacture all tools on site based on your drawings. We specialise in special or non-standard parts which can be manufactured as complete units or using free issue materials if preferred. We also offer a regrind service provided your requirements allow for it. All of the aforementioned services are available for one off orders or quantity batches.

Quality assured

All work is carried out to the highest standards and quality
DK Grinding Ltd are an AS9100 and ISO 9001 certified registered company
AS9100 and ISO 9001 standards

Some of our services

Below are some services that we supply
Please visit our service page for more in depth information