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Business Details
27 Years
experience
Your Trusted Precision Engineering Partner in Barnoldswick
Established in 1999, K S J Engineering has grown from a small operation in Cononley to a 2,700-square-foot facility in Barnoldswick, Lancashire. Our expertise combines cutting-edge CNC turning and milling technologies with traditional engineering practices to deliver precision-engineered components. We specialise in serving clients requiring one-off prototypes and medium-batch production using materials like brass, aluminium, stainless steel, and mild steels. Our ISO 9001:2015 certification underscores our commitment to quality management systems and compliance with international standards. We prioritise fast turnaround times, bespoke manufacturing solutions, and post-operative treatments through pre-approved suppliers.

Our team of experienced professionals, including Director Simon Whitehead and Operations Manager Clare Eastham, ensures every project meets exacting specifications. With over two decades of experience, we maintain strong client relationships built on trust, transparency, and technical excellence. Our machining capabilities span CNC turning, milling, and complex component production up to 200mm diameter. We adhere to ethical sourcing practices, complying with the US Financial Reform Bill HR 4173 section 1502 regarding conflict minerals. Our mission remains delivering high-quality engineering services at competitive prices while exceeding customer expectations.
Services
CNC Turning Bespoke Parts CNC Milling Prototyping Subcontract Turning
Details
  • Year established: 1999
Highlights and features
  • We offer 20+ years' experience in precision engineering since 1999
  • Our ISO 9001:2015 certification guarantees quality management systems
  • We provide fast turnaround times for urgent component requirements
  • Our in-house capabilities cover complete machining and post-treatments
  • Our team includes certified engineers with specialist CNC expertise
Associations and certifications
  • ISO 9001
What people say
A-class supplier Fast turnaround Courteous service High-quality work Impressed with service
Services
CNC Turning
Our CNC turning services produce high-precision components up to 200mm diameter using Mazak equipment. Capable of handling bar work, shafts, and complex geometries with tight tolerances. Ideal for hydraulic parts, valve components, and vacuum systems requiring exact specifications.
Bespoke Parts
We create tailored engineering solutions from prototype development to modified existing components. Our in-house capabilities allow complete design-to-production support for unique client requirements across multiple industries using various metal alloys.
CNC Milling
Equipped with Hurco VM 10i CNC milling centres for components up to 660x406x508mm. Provides precise three-axis machining for complex shapes and surfaces. Complements turning operations to deliver fully finished precision-engineered parts.
Prototyping
Supporting clients from concept to production with prototype manufacturing. Utilises our full machining capabilities to validate designs before batch production. Ensures functional accuracy and material suitability for end-use applications.
Subcontract Turning
Specialising in medium-volume production runs with consistent quality. Offers bar work up to 80mm diameter, billet machining, and secondary operations. Maintains ISO 9001 standards for repeatable precision across multiple components.
People
Simon Whitehead
Director
With over two decades leading engineering operations, Simon directs KSJ's strategic growth while maintaining technical oversight. His expertise ensures quality delivery across all machining projects.
Clare Eastham
Operations Manager
Managing daily operations since joining the company, Clare optimises production workflows and client communications. Ensures efficient service delivery across CNC turning and milling departments.
Craig
CNC Production Planner
Specialising in production scheduling, Craig coordinates machining resources to meet tight deadlines. His planning expertise maintains efficient workflow across multiple CNC work centres.
Louis
Technical
Providing technical support for complex machining challenges, Louis ensures optimal equipment utilisation. His engineering knowledge contributes to solving client-specific manufacturing problems.
Questions
What engineering services do you specialise in?
We specialise in CNC turning, milling, and bespoke component manufacturing for hydraulic, valve, and vacuum systems using metals like brass, aluminium, and stainless steel.
Do you handle both prototypes and batch production?
Yes, we support one-off prototypes and medium-batch production runs with equal attention to quality and precision.
What quality standards do you follow?
We operate under ISO 9001:2015 quality management systems and comply with conflict mineral regulations for ethical sourcing.
Can you work with custom material specifications?
We handle non-ferrous and ferrous materials including brass, aluminium bronze, stainless steel, and mild steels to client specifications.
How quickly can you complete urgent orders?
Our fast turnaround service prioritises urgent requirements while maintaining precision, with many clients returning for our responsive service.
Do you offer post-manufacturing treatments?
Yes, we coordinate chemical blackening, anodising, powder coating, and polishing through approved specialist suppliers.