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Precision CNC Machining Services in Grimsby
Kenworth Engineering is a family-owned and operated precision engineering company with over 30 years of experience in the sector. Based in Grimsby, UK, we specialise in delivering high-quality CNC machining services tailored to meet the exacting requirements of global industries. Our team of skilled engineers utilises advanced 3-axis and 5-axis CNC milling and turning machinery to produce components with sub-10-micron tolerances, ensuring exceptional accuracy and reliability. As an ISO 9001:2015-certified business, we prioritise quality assurance through rigorous testing and inspection processes. We serve diverse sectors including automotive, renewable energy, subsea, architectural, and electronics, offering bespoke solutions for one-off prototypes to large-scale production runs. Our commitment to innovation and customer satisfaction is reflected in our rapid 48-hour quote turnaround and dedicated project management support.

With state-of-the-art equipment and a focus on continuous technological investment, we provide cost-effective, precision-driven manufacturing solutions. Our materials expertise spans metals, plastics, and composites, enabling us to address complex engineering challenges across industries. By maintaining full traceability of materials and adhering to strict quality standards, we ensure consistent delivery of components that meet exact specifications. Our reputation as a trusted partner for precision engineering is built on decades of technical expertise, operational excellence, and a client-centric approach that prioritises transparency and reliability.
Services
CNC Machining CNC Milling CNC Turning Sliding Head Turning Precision Engineering 5-Axis Milling Production Turning Centre Lathe Turning Mill/Turn Capabilities Sub-10 Micron Tolerance
Highlights and features
  • We offer over 30 years of precision engineering expertise.
  • Our ISO 9001:2015 certification ensures quality assurance.
  • We provide 48-hour quote turnaround for all projects.
  • Our skilled operators use state-of-the-art 5-axis machinery.
  • We guarantee sub-10-micron tolerance precision for all components.
Associations and certifications
  • ISO 9001:2015
Services
CNC Milling
Our advanced 3-axis and 5-axis CNC milling services produce complex components with tight tolerances up to 600mm diameter. Using high-speed machining centres, we handle metals, plastics, and composites for aerospace, automotive, and medical applications. Our capabilities include rapid prototyping and batch production with surface finishes down to 0.8m Ra.
CNC Turning
We offer production turning up to 51mm diameter and sliding head machining for components up to 22mm diameter. Our automated bar-fed systems enable unmanned operation for high-volume runs, maintaining 0.005mm tolerances in materials ranging from aluminium to titanium alloys.
5-Axis Machining
Our DMG MORI DMU-50 5-axis machining centre handles complex geometries in single setups. With 20,000rpm spindle speed and 600mm work envelope, we produce intricate aerospace components and medical devices with improved accuracy and reduced lead times.
Production Machining
Automated Citizen Miyano BNE51 MSY production machines deliver high-volume components with live tooling capabilities. Our unmanned systems handle runs from hundreds to thousands of parts with concurrent two-side machining that halves cycle times.
Material Testing
We maintain full material traceability with chemical composition analysis and dimensional inspection using Mitutoyo CMM equipment. Our quality control processes ensure compliance with ISO 9001:2015 standards for all delivered components.
Questions
What industries do you serve?
We serve automotive, renewable energy, subsea, architectural, electronics, and aerospace sectors with precision-engineered components.
What materials can you machine?
We work with metals (steel, aluminium, titanium), engineering plastics, composites, and special alloys to meet industry specifications.
What tolerances can you achieve?
Our CNC machining capabilities maintain tolerances down to sub-10 microns (±0.005mm) for precision-critical applications.
Do you handle prototyping?
Yes, we offer rapid prototyping services with 5-axis machining capabilities for complex one-off components and design validation.
Are you ISO certified?
We are ISO 9001:2015-certified, ensuring quality management systems across all precision engineering processes.
What is your lead time?
We provide quotes within 48 hours and maintain flexible scheduling for urgent production requirements with global delivery options.