Specialist Lead Manufacturing for Nuclear, Defence, Aerospace, Marine & Medical
Heaps, Arnold & Heaps Ltd has undertaken many high-profile lead engineering projects for clients across the Nuclear, Defence, Aerospace, Marine and Medical industries. Our skilled workforce offers a comprehensive range of disciplines — including research and development, quality assurance, engineering, fabrication and machining and assembly — to provide clients with a full-service solution from project conception to final inspection.
Our modern CNC production and engineering facility enables us to work to critical tolerances, whilst the flexible nature of our plant and workforce allows us to react quickly to project changes — assuring complete project control and on-time completion. With over 250 years of metallurgical expertise, we combine traditional craftsmanship with state-of-the-art technology to deliver lead engineering solutions that meet the most demanding industry standards. Browse our full product catalogue or contact our engineering team to discuss your project.
Full Project Lifecycle
From initial R&D and design through engineering, manufacturing and final inspection — complete project management under one roof.
Critical Tolerances
Modern CNC production facility delivering lead components to the precise specifications required by high-stakes industries.
Specialist Expertise
250+ years of lead metallurgy combined with current engineering standards — trusted by nuclear, defence and aerospace clients.
Lead Engineering Services & Capabilities
Specialist Lead Manufacturing for Nuclear, Defence, Aerospace, Marine & Medical
Our lead engineering services cover the complete project lifecycle. Whether you need a single prototype for testing, a small batch of specialist components, or a full production run of bespoke lead assemblies, our team delivers to the exacting standards demanded by high-specification industries.
Research & Development
Manufacturing & Fabrication
Quality Assurance & Inspection
Send us your specification, drawings or project requirements — our engineering team will review and respond within one working day with feasibility, lead time and quotation.
250+ Years Experience
Over two and a half centuries of lead metallurgy expertise — one of the longest-established lead manufacturers in the UK.
Modern CNC Facility
State-of-the-art CNC production combined with traditional lead expertise — critical tolerances delivered consistently.
Full Service Capability
R&D through to final inspection — complete project lifecycle managed in-house at our Rotherham facility.
Industry-Specific Expertise
Proven experience with nuclear, defence, aerospace, marine and medical sectors — we understand your specifications.
Aerospace, Nuclear, Medical, Defence & Chemical Industries
Our lead engineering capabilities support clients across five key high-specification industries. Each sector has its own technical demands, compliance standards and quality requirements — our experienced team understands these differences and delivers lead components manufactured to your sector’s exacting standards.
Lead and lead alloy products supporting the UK nuclear sector
Lead solders, lead wire and bespoke lead components for automotive restoration and specialist engineering applications.
Lead Engineering — Frequently Asked Questions
What types of lead engineering projects do you undertake?
We undertake a wide range of lead engineering projects including medical radiation shielding components, isotope containment, custom castings, machined precision parts, lead-lined assemblies, ballast components and bespoke fabrications. Our experience covers nuclear shielding, defence, aerospace, marine and medical sectors. If your project involves lead in any form, we can almost certainly help.
Can you work to critical tolerances?
Yes. Our modern CNC production facility enables us to machine lead components to critical tolerances required by high-specification industries. We hold ISO 9001:2015 certification, and our quality assurance processes ensure dimensional accuracy and material composition compliance with full documentation and traceability.
Do you offer full project management, from R&D through to delivery?
Yes. Our skilled workforce offers a wide range of disciplines including research and development, quality assurance, engineering, fabrication, machining and assembly. We provide clients with a full-service solution from project conception through to final inspection — a single point of contact throughout the project.
Which industries do you most commonly serve?
Our lead engineering services are most frequently used by clients in the Nuclear, Defence, Aerospace, Marine and Medical sectors. We have significant experience with the technical specifications, compliance requirements and quality standards demanded by these industries.
Can you produce one-off prototypes or small batch runs?
Yes. The flexible nature of our plant and workforce allows us to handle anything from single prototypes for testing or development, through small batch production runs, to larger volume manufacturing. We adapt quickly to project changes and have no minimum order quantity.
How quickly can you respond to project changes or new requirements?
Project agility is one of our core strengths. The flexible nature of our plant and workforce enables us to react quickly to design changes, urgent additional requirements, or short-notice manufacturing requests. We assure clients of complete project control and adherence to deadlines.
What standards and certifications do you hold?
We hold ISO 9001:2015 certification for our quality management system, along with an Environmental Permit issued by Rotherham Metropolitan Borough Council. Our processes meet relevant UK and European standards. For specific industry certifications or compliance requirements, contact us to discuss your project. View all our downloads & certifications.
How do I start a project with you?
Contact our engineering team with details of your project — including drawings, specifications, quantity requirements and any compliance considerations. We respond within one working day with initial feedback on feasibility, lead time and indicative pricing. For complex projects, we'll arrange a technical discussion to refine the requirements before quotation.