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Business Details
50+ Years
experience
Precision CNC Machining Services in Isleworth
Established in 1970, Clayton Precision Engineering has built a reputation as a trusted provider of precision engineering solutions. Based in Isleworth, West London, we specialise in CNC turning, milling, CAD/CAM design, and sub-contract manufacturing services. Our expertise spans critical sectors including Aerospace, Nuclear, Scientific, Medical Research, and Motorsport industries. With over 50 years of experience, we combine advanced technology with a skilled workforce to deliver components to the most exacting tolerances. Our facilities, spread across two modern units totalling 10,000 sq ft, house state-of-the-art machinery, including 5-axis machining centres.

We maintain a loyal customer base by prioritising quality, reliability, and innovation, evidenced by our AS9100 Rev D certification. Our teams deep technical knowledge and commitment to continuous improvement ensure we meet evolving industry demands. We pride ourselves on providing end-to-end solutions, from prototyping to full-scale production, while adhering to rigorous quality control standards. Our partnerships with approved sub-contractors enable comprehensive service delivery, including surface finishing and heat treatment. We remain a privately owned, family-run business dedicated to exceeding client expectations through precision and excellence.
Services
CNC Turning CNC Milling CAD CAM Design Sub Contract Services 5 Axis Machining
Details
  • Year established: 1970
Highlights and features
  • We have over 50 years of experience in precision engineering.
  • Our team includes highly skilled engineers with extensive industry knowledge.
  • We operate from modern facilities with advanced CNC machinery.
  • Certified to AS9100 Rev D standards for quality management.
  • We serve critical sectors including Aerospace, Medical, and Nuclear industries.
Associations and certifications
  • AS9100 Rev D
Services
CNC Turning
Our CNC turning services produce components from 1.5mm to 250mm diameter, utilising advanced machinery and skilled programmers. We handle complex materials and tight tolerances for aerospace, medical, and industrial applications. Our capabilities include mill/turn operations and life tooling for precision-critical projects.
CNC Milling
We offer 3D and surface machining with multi-axis CNC mills, handling capacities up to 762 x 508 x 508 mm. Our engineers use the latest CADCAM software for offline programming, ensuring high-quality prototypes and batch production for sectors like aerospace and nuclear energy.
CAD CAM Design
Our CAD/CAM services integrate design and manufacturing workflows, supporting IGES, DXF, and Step file formats. We enable rapid turnaround from digital models to physical parts, leveraging updated software for efficient, cost-effective production.
Sub Contract Services
We coordinate sub-contract operations such as heat treatment and NDT through approved suppliers. This ensures complete, drawing-compliant parts for clients, with flexibility to use customer-approved specialists when required.
5 Axis Machining
Our 5-axis machining capabilities handle parts within a 750 x 500 x 500mm envelope, enabling complex geometries. Combined with modern tooling and skilled operators, this service supports high-precision demands across medical and motorsport industries.
Questions
What industries do you serve?
We specialise in Aerospace, Nuclear, Scientific, Medical Research, and Motorsport sectors, providing precision components tailored to each industry's exacting standards.
How long have you been in business?
Clayton Precision Engineering has operated independently since 1970, maintaining a legacy of precision engineering excellence for over 50 years.
What certifications do you hold?
We are certified to AS9100 Rev D standards, ensuring quality management systems aligned with aerospace and related industry requirements.
What services do you offer?
Our services include CNC turning, milling, CAD/CAM design, 5-axis machining, and sub-contract manufacturing, supported by a network of approved suppliers.
How do you ensure quality?
Quality is maintained through rigorous in-house testing, Mitutoyo CMM equipment, and adherence to AS9100 Rev D standards, with annual policy reviews and continuous improvement goals.
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