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Harthill Developments Limited

Harthill Developments Limited is a Sheffield-based precision engineering company offering sub-contract CNC milling (including 4-axis and 5-axis), turning and grinding, welding and CMM inspection services. The company is AS9100 aerospace-accredited and machines aluminium alloys, titanium, stainless steel, Inconel and hardened steels for the aerospace, defence, automotive, gas & oil and food processing sectors. It also regrinds and supplies cutting tools as a sideline (Harthill Precision Abrasives).

5-Axis & Multi-Axis Machining CNC Milling CNC Turning Finishing & Surface Treatment Welding & Fabrication
Certifications
AS9100
Services
CNC Milling CNC Turning 5-Axis Machining Welding & Fabrication
Materials Worked
Aluminium Titanium Stainless Steel Inconel/Superalloys
Machine Capabilities
5-Axis 4-Axis
Testing & Inspection
CMM Inspection
Industries Supported
Aerospace and Defence Automotive Oil & Gas Industrial
Headcount 11-50
Visit Website
Mansfield Road Sheffield S26 2BR
Last Updated
2026-10-27
google maps embed
Company Registration Number 00633525
Companies House URL
Verification History

27 Oct 2026 — Scheduled verification (Max). Added Welding & Fabrication, 4-Axis.

27 Oct 2026 — Listing added to CNC Directory, pending verification checks.

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