Home
CNC Milling
Harthill Developments Limited

Harthill Developments Limited

Harthill Developments Limited is a Sheffield-based precision engineering company established in 1957, offering sub-contract CNC milling, turning, grinding and 5-axis machining alongside 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

Certifications

AS9100

Services

CNC Milling CNC Turning 5-Axis Machining

Materials Worked

Aluminium Titanium Stainless Steel Inconel/Superalloys

Machine Capabilities

5-Axis

Testing & Inspection

CMM Inspection

Industries Supported

Aerospace and Defense Automotive Oil & Gas Industrial

Headcount 11-50

Visit Website

Mansfield Road Sheffield S26 2BR

Last Updated

2026-09-08

Company Registration Number 00633525

Companies House URL

Reviews

No reviews yet

Similar listings in category

B&B Precision Engineering

UK-based CNC machining and subcontract manufacturing specialist based in Huddersfield, West Yorkshire, producing precision milled and turned components across a wide range of materials including exotic alloys, ISO 9001:2015 certified.

A&B Engineering Ltd

Precision subcontract CNC machining company based in Maidstone, Kent, offering complete CNC programming solutions from simple components to complex 5-axis parts on Mazak Integrex machining centres, with full materials traceability.

Millbrook Precision Engineering Ltd

Medium-to-large subcontract CNC machining specialist producing metal components via CNC boring, drilling, milling and turning for aerospace, automotive, medical and energy customers, ISO 9001:2015 certified.