Deep Hole Drilling Applications

Mollart has specialised in Deep Hole Drilling since the development of its first dedicated gundrilling machine in 1965.

For a simple Deep Hole Drilling enquiry, we have over 30 Mollart machines installed in three factory locations in the UK – Chessington, Surrey – Chesterfield, Derbyshire – Neath, South Wales – ranging from small hole machines down to 0.5mm diameter through to large deep holes up to 300mm diameter and 3 metres deep and multspindle machines for high volume parts.

Deep Hole Drilling Applications

Mollart's Deep Hole Drilling Capacities

Materials Drilled
  • Inconel 718
  • Hastelloy
  • Nimonics
  • Titanium
  • Carbon Steels
  • Alloy Steels
  • Exotics and Composites

CNC BTA centre-line Deep Hole Drilling producing 20 – 70mm diameters x 2000mm deep in solid shafts on a Mollart Boremaster.

Deep Hole Gundrilling on a Mollart Prismabore 3-axis Machining Centre. 3.2m long X 8mm diameter drilling application in Data Alloy material for the Oil Industry.

Machine drilling 3 x 8mm holes on Pitch Circle Diameter with thin wall thickness on outside of component.

Time taken: 1 hour 20 minutes!

Mollart CNC Omnisprint Twin Spindle 3-axis Deep Hole Drilling machine capable of drilling 2.5 – 20mm diameters x 750mm deep.

The Knee-table can hold components up to 1 tonne on a working envelope of 500 x 300mm.

Deep Hole Gundrilling on Mollart Microdrill 3-axis machine. Pitch Circle of small holes drilled 0.5mm diameter x 50mm deep.

Gundrilling offers improved cycle times and improved bore tolerancing over conventional EDM-equivalent diameter machining.

Mollart’s Deep Hole Drilling service is enhanced by a selection of Honing machines where ultra-high bore surface finishes are required.

Horizontal Honing machine for achieving top quality surface finishes in bores 3-250mm diameter and up to 1500mm deep.