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Precision CNC Machining Services in Saltash
Established in the 1980s, N A A Engineering has built a reputation as a trusted family-owned CNC machining specialist serving global industries. Our ISO 9001-certified processes ensure precision manufacturing of complex components from challenging materials like titanium, nickel alloys, and high-strength stainless steel. With over four decades of technical expertise, we combine traditional craftsmanship with cutting-edge technology to deliver custom-engineered solutions meeting exacting tolerances.

Our vertically integrated quality control system provides full traceability from order receipt through delivery, supported by approved vendors for specialist surface treatments. Every team member shares our core commitment to understanding client requirements and delivering measurable value through engineering excellence.
Services
CNC Turning CNC Milling Thread Milling Contour Milling Precision Machining
Highlights and features
  • Family-owned operation with 40+ years' experience in precision engineering
  • ISO 9001-certified quality management system since 1995
  • Full traceability from order receipt to final delivery
  • Approved vendors for specialist surface treatments
  • Expertise in machining challenging materials to tight tolerances
Associations and certifications
  • ISO 9001
Services
CNC Turning
Our CNC turning capabilities produce complex cylindrical components with tight tolerances. Using modern lathes with live tooling, we handle both prototype and production runs. This service supports industries requiring high-precision shafts, pins, and rotational parts from various metals and plastics.
CNC Milling
Advanced 3-axis and 5-axis milling machines enable production of intricate components with complex geometries. We specialise in machining difficult materials like titanium and nickel alloys while maintaining dimensional accuracy within 0.001mm tolerances for critical applications.
Thread Milling
Specialist thread milling solutions for large diameter or non-standard threads in challenging materials. Our capabilities include internal and external threading up to 12" diameter with precise pitch control for oilfield and sub-sea equipment manufacturing.
Contour Milling
Complex contour machining of 3D surfaces using high-precision CNC equipment. This service produces components with intricate shapes for aerospace, medical, and industrial applications requiring tight tolerances and superior surface finishes.
Precision Machining
Full-service precision machining for bespoke components with demanding specifications. From initial design consultation through to final inspection, we deliver custom-engineered parts meeting exact client requirements across multiple industries.
Questions
What industries do you serve?
We support oil and gas, sub-sea, high-pressure equipment, and industrial manufacturing sectors requiring precision-engineered components.
What materials can you machine?
Our capabilities include titanium, nickel alloys, stainless steel, aluminium, acetal, peek, and other engineering plastics.
Are you ISO 9001 certified?
Yes, we have maintained ISO 9001 certification for quality management since 1995 with regular audits.
What production quantities do you handle?
Our flexible manufacturing systems accommodate both prototype development and full production runs.
How do you ensure quality control?
We implement documented quality systems with full traceability, certified materials, and approved vendor partnerships.