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We specialize in lineboring on earthmoving machinery on-site and on underground mining machinery

Our Background

HMI Lineboring was established in 2004 in Middelburg Mpumalanga. Our workshop is fully equipped to do any manufacturing, lineboring and repairs for our clients. Our equipment consists of several Lathe’s. several boring mills. 5x mobile lincoln welders. lineboring machine. 2x forklifts. 12ton truck with truck mounted crane (Hi-Ab) a 10ton overhead crane and an emergency generator etc. All our employees are fully trained and motivated for the task at hand. We work safe at all times and give the client value for his money.

Our Core Business

We specialize in lineboring on earthmoving machinery on site and on underground mining


Boiler Making Repairs




Company Mission

  •  To become the best lineboring company globally
  •  Respond immediately to the changing needs of our clients
  •  Improve our services continuously
  •  Achieve complete customer satisfaction
  •  Provide high-quality, affordable solutions and workmanship to all our clients
  •  Maintain a professional relationship with all our clients
  •  Dominating the domestic market
  •  Be the preferred lineboring company for providing solutions and repairs
  •  Our trademark shall be our motivated people (our customer service and superior workmanship)
  •  Working safely in unison with the environment and society.
    Company Vision

Company Vision

  •  We will make use of new technology to stay relevant in what we do
  •  Highly trained and sufficient labour force
  •  Protect the environment
  •  Building a greater tomorrow by creating more jobs
  •  Set sustainable goals

Company Values

  • Zero tolerance for sexual harassment and racism
  •  Zero tolerance for drugs and alcohol abuse
  •  Zero tolerance for fraud and theft (Company and Client)
  •  Our employees are our greatest asset
  •  Respect human rights
  • To be honest and fair when dealing with our clients

Scope Of Work

  • Lineboring on site and in workshop
  • Boiler making on site and in workshop
  • Manufacturing and repairs of buckets and blades
  • Repairs on all earthmoving equipment and underground machinery
  • Salvaging of earthmoving equipment
  • Specialized welding (cast iron and aluminum)
  • General machining
  • Fabrication of pins and bushes
  • Specializing in undercarriages and axles
  • Specializing in lineboring underground
  • Sandblasting

Contact Us

Visit Us

14 Wicht Street, Middelburg Mpumalanga 1050