Gundrilling & Deep Hole Drilling

American Drilling Company specializes in precision gundrilling with capabilities for small diameters from 0.049 to large diameters up to 4.5″.

Experienced with close tolerance and precision finishes.

2" Gundrilling Machine w/ Counter-Rotation

2" Gundrilling Machine w/ Counter-Rotation


Our capabilities include:

  • .049 to 4.5″ diameter holes up to 60″ deep
  • Over 30 Gundrilling Machines to meet your needs
  • Offset holes, Table Positioning, XYZ
  • Counter Rotating the work-piece for better hole concentricity
  • Small Hole (.035) Gundrilling Machine

    Small Hole (.035) Gundrilling Machine

  • Lube Holes in Bolts (including tapping and cross holes)
  • Quality system per MIL-I-45208
  • Calibration system per MIL-STD-45662
  • Our lead-time on most jobs is less than one week!!!
  • All industries: Aerospace, Medical, Commercial, Military, Automotive, Electronics, etc.
  • All materials (Inconel, Waspalloy, A-286, Titanium 6-4, MP35N, M-2, 4130, 8740, 15-5PH, PH13-8MO, Greek Assc., Rene 41, H-11, S-7, 440C, etc.)
Gundrilling Machines

Gundrilling Machines