CNC Precision Machining
CNC precision machining is a manufacturing process that uses computer-controlled machine tools to remove material from a workpiece and produce parts to tight dimensional tolerances. CNC stands for Computer Numerical Control – the process of converting a design from CAD software into machine-readable G-Code that controls the movement and speed of cutting tools with a high degree of accuracy and repeatability.
GTMA’s CNC machining suppliers are established UK companies offering sub-contract and production machining services across a wide range of materials, part sizes, and industry applications.
CNC Precision Machining Services
Browse GTMA member companies below providing CNC precision machining services and products. View individual profiles for full company information and to make direct contact.
Protolabs
- ShropshireWho is Protolabs? We are a quick-turn manufacturer that helps product development teams minimise design risk, accelerate time to market and reduce production costs. We do this through rapid production…
Excel Precision
- GloucestershireNADCAP & AS9100 accredited Excel Precision Gloucester, Excel Precision Birmingham and Excel Precision Leeds are part of the Excel Precision Group, the UK’s leading group of EDM specialists providing sub-contractor…
Superite Tools
- West MidlandsSuperite offers a dedicated service for tool modifications and repairs up to 15 tonne Superite Tools Ltd began designing and manufacturing injection moulds, die casting tooling and press tools in…
Quickgrind Carbide Tooling
- GloucestershireQuickgrind has been at the forefront of tool design and manufacture for almost fifty years, engineering is in our blood. We have an international reputation for solid carbide cutting tools…
Boneham & Turner Ltd
- NottinghamshireThis experience enables the company to provide engineering solutions to a wide variety of customers, both large and small, across advanced industries including aerospace, automotive, motorsport, power generation, defence, composites and…
N.T.G. Precision Engineers
- Tyne & WearNTG world-class precision engineering NTG is trusted to deliver excellence by leading UK and international companies across a range of industries. With a selection of specialist services, their highly skilled…
Alliance Tooling Ltd
- LeicestershireWelcome to a SMART plastic injection mould manufacturer (Skilled Manufacture of Assured Reliable Tooling) Alliance Tooling is leading plastics toolmaker and turned parts manufacturer with comprehensive facilities in the UK and Far east. We…
Whiteland Engineering
- DevonWhiteland Engineering Ltd – For All Your Precision Machining Needs! Whiteland Engineering Ltd is a sub-contract precision engineering company based in the South West, in Bideford, specialising in the supply…
R-Winter Tooling
- KentR Winter Tooling is a modern design & engineering business based in Rochester, Kent. The main aspect of R-Winter Tooling is production machining, specializing in high tolerance components. With our…
Filtermist Limited
- ShropshireFiltermist efficiently removes oil and coolant mist, fume, steam, dust, smoke and VOCs from the air in industrial workplaces. Cleaner, safer, more productive working environments Established in Shropshire in 1969, Filtermist’s ethos…
MAPAL Limited
- WarwickshireCompanies that manufacture Dies and Moulds expect high process and product expertise from their cutting tools manufacturer. They require their tools to offer the highest levels of precision, a long…
Pentagon Plastics Group
- West SussexPentagon provides extensive plastic injection moulding services and are a centre of excellence for mould tool servicing, repair, modification, pre-production development and production mould tools. Through our generous machine selection,…
ND Precision Products
- DevonBased in Barnstaple, North Devon, ND Precision Products is a hands-on, family-owned business which now has the third generation of the Squire family working under its roof. Managing Director, Nick…
ABR (Specialist Welding) Ltd
- West MidlandsWidely acknowledged as market leaders in our field, the name ABR has been synonymous with the precision welding of plastic injection, pressure die casting and press tools for over 40…
Faulkner Moulds
- West YorkshireGTMA Featured Company Toolmaker of the Year – 2019, 2018 & 2016 Faulkner Moulds has over 35 years’ experience of quality precision toolmaking and product and tool design. We are…
Thomas Keating Ltd
- West SussexThe company is a scientific instruments and mould tool manufacturer with a reputation for accuracy and attention to detail. Manufacturing single and multi-cavity tools for complex and technical mouldings in…
Langstone Engineering Ltd
- HampshireWe are a 45-strong team of engineering problem-solvers, helping you thrive by meeting your specification and requirements for a broad range of precision-manufactured parts and projects. We challenge convention to…
Elesa (UK) Ltd
- LincolnshireEstablished in 1941, Elesa is the international reference for standard machine components within the mechanical, machinery, electrical and industrial sectors. An excellent combination of technology and design has given rise…
Fenton Precision Engineering
- NorthamptonshireWelcome to Fenton Precision Engineering Ltd the UK market leaders for design, precision tool making and injection moulding services. Located centrally in the UK our headquarters are located in Northampton…
HCM Engineering Ltd
- West MidlandsWho we are Established in 1969 HCM Engineering Limited is a independent, privately owned company situated in the UK's Industrial West Midlands. We have the experience and traditional crafts in…
DaceCrown Ltd
- West MidlandsAbout Dacecrown Taking over on October 1st 2023 Jake and Tom looking to embark on an exciting story together to build on the already founded success of Dacecrown, taking in traditional…
REM Systems Ltd
- WorcestershireREM Systems – Your Expert Partner for Complete Manufacturing Solutions At REM Systems, we specialise in providing customised, modular solutions for workpiece clamping, presetting, measuring, automatic loading, and data transfer.…
Alan Browne Lapping Services
- WarwickshireAlan Browne lapping services provide accurate, precise and controlled material removal to produce the desired size, shape and dimensions to your components. They are experienced in precision flat lapping with many materials for example steel, stainless…
SGH (Moulds) Ltd
- LancashireSGH has been in business since 1978, founded by Kevan Howarth, the MD of a large Bolton based toolmaker. His son, Stephen Howarth was an apprentice at the same firm…
JEB Technologies Ltd
- SuffolkWith over 50 years of experience, JEB Technologies are a sub contract manufacturing company with extensive medical and industrial experience. They pride themselves on their innovative solutions and end to end…
Robev Engineering Ltd
- LancashireRobev Engineering is a precision engineering company dedicated to producing quality products to customers needs and satisfaction. The company was established in 1990, limited from 2007, and has developed a…
MOLDINO Tool Engineering UK
- StaffordshireMoldino Tool Engineering is a leading Japanese tool manufacturer with decades of experience in the die and mould industry. With our extensive stock, next day delivery and over 30 years…
Apex Additive Technologies
- GwentAt Apex Additive Technologies, we believe that strong partnerships across the supply chain are crucial for driving innovation and operational excellence. By building meaningful relationships with equipment and software OEMs,…
Hartmetall UK
- WorcestershireOver 20 years Hartmetall UK Ltd. has become the UK leading independent distributor of tungsten carbide rod products and wear parts. And for 10 years offering precision ground tungsten carbide…
Rutland Plastics
- LeicestershireRutland Plastics has been in the plastics business for 70 years. We certainly look different today from when the company first started out injection moulding back in 1956. We have…
Petford Group
- West MidlandsAbout us Engineering solutions for tomorrows challenges We are one of the Black Country’s most enterprising manufacturers. Since our formation in 1971 we have developed to become one of the…
The 3D Measurement Company Ltd
- ShropshireWith over 30 years combined experience The 3D Measurement Company are a UK leading supplier of 3D engineering solutions. Always handheld. Always portable.From 3D laser scanning to optical CMM, our…
PDQ Engineering Ltd
- Tyne and WearFounded in 1986 PDQ Engineering had grown steadily in size until a management buyout in 2004 which resulted in substantial investment in the latest advanced, high performance machine tool technologies.…
Surtec North East Ltd
- County DurhamEstablished in 2002, Surtec North East Limited is a Press Toolmaking, Precision Engineering Company. To complement this we offer a CNC machining service. We also offer a complete service from…
Ad-Vance Engineering
- AntrimSTOP PRESS Ad-Vance Engineering in dash to manufacture vital medical equipment in fight against Covid 19 virus Ad-Vance with some 45 years’ experience in the Mould and Die business and…
Eley Metrology Limited
- DerbyshireAs one of the UK’s longest-serving private manufacturers, with more than a combined 120 years of heritage between Eley Metrology and Crown Windley, they lead as a key innovator and…
Robinson Pattern Equipment Ltd
- West MidlandsRobinson Pattern Equipment Ltd was established in 1968 to offer a traditional Pattern Making service to the foundry industry. Over the years, this base has been expanded to provide a service…
Alphateq Ltd
- WarwickshireAlphateq combines traditional skills and advanced technologies in order to provide exceptional facilities and expertise for the design and manufacture of tooling and fixtures for a wide range of industrial…
Warwick Machine Tools Ltd
- WorcestershireWarwick Machine Tools: Your Trusted Partner in EDM Solutions Established in 1978, Warwick Machine Tools Ltd has built a strong reputation in the EDM machine tool industry, offering extensive expertise…
HT Tooling Solutions
- Greater ManchesterHT Tooling Solutions has a history spanning 35 years and provides a full solution to the mould tool and plastics industry. With a workforce of 25 experts, HT Tooling Solutions…
SAG-Tek
- LeicestershireSAG-Tek is a UK based company that exports polishing tools and finishing solutions globally. Using the novel SAG (Shape Adaptive Grinding) tools developed by Zeeko, we solve your polishing problems.…
Tokai Carbon Europe
- West MidlandsTokai Carbon Europe is a stockist of premium grade graphites for EDM electrode, high temperature and mechanical applications. TCE are one of the largest suppliers of EDM products to the…
Tekniplaz Limited
- NottinghamshireTekniplaz is your product development, toolmaking and precision engineering partner. Many factors have to come together to produce parts which are world class in their quality and commercially viable: High-calibre…
Moorland Toolmaking Company Ltd
- West YorkshireMoorlands have been an independent toolmakers now for over 40 years. Whilst there have been many changes in the industry over that period, our aim of total customer satisfaction has…
Hadleigh Castings Ltd
- SuffolkEstablished almost 50 years with a long standing reputation as a leading UK aluminium foundry, Hadleigh Castings recognises that its most important asset is its customer. Its first priority, therefore,…
Glazpart
- OxfordshireAbout us Glazpart lead the way in the design and manufacture of Plastic Glazing Accessories for the Fenestration Industry with specialised knowledge in Glazing Accessory and Ventilation products to suit…
Dudley Associates Ltd
- LeicestershireDudley Associates: Precision Tools and Plastic Injection Moulding. Founded in 1991, Dudley Associates has a very extensive and successful history specialising in Product Design and Development, Rapid Prototyping, Tool-Making, Plastic Injection-…
United Machining
- West MidlandsUnited Machining is a leading supplier of advanced and innovative machine tools, high-productivity and high-efficiency automation solutions and best-in-class after-sales service and support. Our technology solutions combined with the experience…
TLM Laser Ltd
- WorcestershireTLM Laser Ltd are laser sales, service and maintenance specialists providing industrial machines for laser cutting, engraving, marking, hardening, cladding, 3D printing and welding plastic and metal. TLM also provide…
Vision Engineering Ltd
- SurreyInnovative award winning high quality microscopes, 3D visualisation technology and metrology systems that save manufacturing companies time, improve quality, reduce materials wastage and enable news ways of collaboration. Stereo Inspection…
Scott Tools Limited
- BerkshireScott Tools are a progressive, forward thinking mould tool design and manufacturing company operating out of a modern, well-equipped industrial unit in the south of England. Using the latest product…
Burcas Ltd
- West MidlandsBurcas Ltd is a privately owned specialist engineering business trading on a global basis, supplying and specialising in the manufacture and supply of precision tooling in high speed steels, tungsten…
Advanced Tooling Systems UK LTD
- KentWelcome to Advanced Tooling Systems UK The ATS group was originally founded in 2002 with the goal of becoming a complete solution provider to industry and many years of heavy investment in…
Uddeholm Ltd
- West MidlandsUddeholm supply high quality tool steels, premium grade die steels, powder metallurgy tool and high speed steels through their worldwide sales organisation. In Addition Uddeholm UK offer a range of…
Fimark Ltd
- SurreyFimark provides advanced coatings and luxury and functional finishes for the automotive, aerospace, medical and defence industries. Processes include technical spray painting, laser etching and engraving and 3D laser texturing.…
Engis (UK) Ltd
- OxfordshireEngis (UK) Ltd is part of Engis Corporation, a worldwide organisation which manufactures and markets superabrasive finishing systems for operations that demand precision surface polishing and close tolerance requirements. Engis provides…
Verus Metrology
- Nottinghamshire17 Years of Advancing Metrology Technologies For nearly 2 decades, Verus Metrology Partners’ commitment to providing full turnkey metrology fixture solutions, have been evolving the way our clients conduct their…
IBS Precision Engineering Ltd
- West MidlandsFor more than 25 years, IBS Precision Engineering has been enabling companies and research institutes world-wide to manufacture leading edge products or instruments where ultra-precision is critical. As experts in…
KNOLL UK
- BuckinghamshireKNOLL UK -A Subsidiary of KNOLL Maschinenbau GmbH KNOLL is the leading provider of conveyor systems, filter systems and pumps for metalworking. These transport and separate chips and cooling lubricants.…
Sirius Supply Chain Solutions
- WarwickshireSirius Supply Chain Solutions Ltd (SSCS) provides our customers with a turnkey solution from product development through to volume manufacturing. Focused on manufacturing projects from R&D all the way through…
Pen Cutting Tools
- West YorkshireWe specialise in manufacturing in high speed steel, tungsten carbide, poly crystalline diamond (PCD) and the latest Powder metallurgy steels - to customer’s specific requirements. Special short run batches are regularly…
RARUK Automation
- BedfordshireRARUK Automation is a leading automation equipment provider from sister company RA Rodriguez , that specialises in the supply of cutting-edge automation and robotic solutions, dedicated to enhancing productivity and efficiency across…
Aspin Engineering Ltd
- Greater ManchesterAspin Engineering has been designing and manufacturing a range of quality products and engineered components for more than 40 years. Aspin has built its business and reputation for quality, excellent…
MEC Machine Tools Limited
- North YorkshireWelcome to MEC Machine Tools. Based in the North East of England. We are your trusted source for high-quality machinery solutions, offering an extensive range of machine tools designed to…
Standex International Ltd
- CheshireAt Standex Engraving Mold-Tech, we optimise Surface Performance by creating textures on the tooling that manufactures products we all use every day. We are one company operating in 23 countries…
T&G Engineering
- SurreyFounded in 1975, T and G Engineering is one of Europe’s foremost high precision machining & engineering companies serving and supporting a world wide customer base. State of the art…
Industrial Physics
- ShropshireBy choosing us, through our testing brand Torus Measurement Systems Ltd, you are choosing a UKAS accredited calibration laboratory. Not only can you rest assured that you are receiving the…
Perfect Bore Manufacturing Ltd
- HampshirePerfect Bore prides itself on being a sub contract gundrilling, deep-hole boring, CNC turning, honing, CNC Cylindrical Grinding and superfinishing turning provider giving renowned service to its customers. Perfect Bore works…
Thame Tooling Solutions
- OxfordshireThame Tooling Solutions Limited is a standard product supplier and distributor in the Plastic Moulding and Tooling Industry. We pride ourselves on providing a wide range of products in the…
R&D Tool and Engineering Ltd
- NottinghamshireR&D Tool and Engineering supplies expert technical solutions to the global plastics industry, offering a wide range of products and design solutions to markets such as food and beverages, packaging,…
Advanced Tooling Systems (Folkestone)
- KentATS UK provides a complete product development and full project management service using the latest in “time compression” and tooling technologies, combined with traditional pattern and model making skills. ATS…
Waveney Precision Ltd
- SuffolkWaveney Precision Ltd is a specialist precision engineering company that combines comprehensive plant and expertise to provide both EDM wire-cutting, die-sinking and CNC machining capabilities. Sub-Contract Machining As a result…
Bedestone Ltd
- West MidlandsIn 2018 we installed and commissioned our most accurate httG48 CNC Jig Grinder into our facility, along with our fully rebuilt G48, these two machines sit along side our G48…
GB Precision
- West MidlandsGB Precision was established in Birmingham in 1968. Our current factory of 8000 square feet has recently been significantly extended to accommodate new equipment and to cope with increased demand.…
Omega Plastics Group
- GatesheadOmega Plastics Group are a full-service moulding and tooling supplier located in the North East of England. We have a highly invested in-house toolroom, and manufacture injection mould tools for…
What is CNC Precision Machining?
CNC machining uses programmed code to automate the movement of cutting tools and machine axes, replacing manual operation. Once the program is written, it can be executed repeatedly with consistent output – making CNC particularly valuable for high-volume production runs, complex 3D geometries, and components where dimensional tolerance is critical.
Common CNC machining operations include:
- CNC milling – multi-axis removal of material using rotating cutters
- CNC turning – rotating the workpiece against a fixed cutting tool
- EDM (Electrical Discharge Machining) – using electrical sparks to erode hardened materials
- CNC grinding – precision surface finishing to tight tolerances
- Gun drilling and deep-hole boring – specialist operations for long, narrow bores
- 5-axis machining – simultaneous movement across five axes for complex geometries
CNC machining is suitable for metals including steel, stainless steel, aluminium, titanium, and copper alloys, as well as engineering plastics and composites.
Applications of CNC Precision Machining
GTMA CNC machining companies serve a broad range of applications across UK manufacturing:
- Injection mould tools and tooling components – CNC machining is integral to mould and die manufacture, where tight tolerances and surface quality are non-negotiable
- Aerospace and defence structural components
- Automotive powertrain and chassis parts
- Medical device components requiring certified traceability
- Motorsport and high-performance engineering
- Press tools, jigs, fixtures, and gauging
CNC machining is particularly suited to the automotive sector, where high-volume repeatability, tight tolerances, and multi-material capability are routine requirements across both prototype and production programmes.
Benefits of CNC Precision Machining
Compared with manual machining methods, CNC precision machining offers:
- High repeatability – the same program produces identical parts across production runs
- Complex geometry capability – 3D shapes and fine features that manual machining cannot achieve
- Reduced operator dependency – automation reduces the risk of human error
- Faster cycle times for medium and high volumes
- Compatibility with a wide range of materials and part sizes
- Integration with CAD/CAM workflows for faster design-to-part turnaround
CNC Precision Machining FAQs
Precision machining refers broadly to any machining process producing parts to tight tolerances, including manual operations. CNC precision machining specifically uses computer-controlled automation to achieve that precision – combining the accuracy of precision engineering with the repeatability and speed of automated control.
GTMA CNC machining suppliers work with a wide range of materials including mild steel, stainless steel, aluminium, titanium, tool steel, copper alloys, engineering plastics, and composites. Material selection depends on the application, required tolerances, and surface finish specification.
General CNC machining typically achieves tolerances of +/- 0.1mm, while precision CNC machining can routinely achieve +/- 0.01mm or tighter depending on the machine, tooling, and material. High-precision operations such as jig grinding or EDM can achieve sub-micron tolerances in specialist applications.
CNC milling uses a rotating multi-point cutting tool to remove material from a stationary or indexed workpiece – suited to complex profiles, pockets, and flat surfaces. CNC turning rotates the workpiece against a stationary cutting tool – suited to cylindrical or symmetrical components such as shafts, bushings, and threaded parts.
GTMA member CNC machining companies serve aerospace and defence, automotive, medical, motorsport, energy, marine, industrial, and general engineering sectors across the UK and internationally.
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