Deep Hole Drilling

About DHD

The Deep Hole Drilling facility is located in Rockford, Illinois, and offers 100+ years of combined experience in deep hole drilling, spade drilling, ejector drilling, trepanning, and honing. Our full-service facility has the drilling capacity you need when you need it.

  • Gundrilling | diameters from .078” to 2.50” and lengths to 24.0 feet
  • Spade Drilling | diameters to 10.00” and lengths to 20.0 feet
  • Ejector Drilling | diameters to 2.56” and lengths to 6.0 feet
  • Trepanning | diameters to 9.00” and lengths to 14.0 feet
  • Honing | diameters to 20.00” and lengths to 24.0 feet

At Deep Hole Drilling we focus on service.  Our business is built on it.  From quick, accurate price quotes to reliable, on-time deliveries, our entire organization is designed to get the job done.  Our reputation for quality and dependability, along with a modern manufacturing plant, experienced professionals, top-notch craftsmen, and a century of hole drilling expertise mean you get unmatched value and service in deep hole drilling.

Spade Drilling

Ejector Drilling

Trepanning

Gundrilling

Honing

Gundrilling Machines

Wirfs Gundrill

  • Dual Spindle
  • 15” Stroke
  • 0.875” dia Drilling Capacity

Wirfs Gundrill

  • Dual Spindle
  • 21” Stroke
  • 0.875” dia Drilling Capacity

Wirfs Gundrill

  • Dual Spindle
  • 28” Stroke
  • 1.000” dia Drilling Capacity

Wirfs Gundrill

  • Dual Spindle
  • 36” Stroke
  • 1.000” dia Drilling Capacity
  • Knee Type

Wirfs Gundrill

  • Dual Spindle
  • 48” Stroke
  • 1.875” dia Drilling Capacity

Wirfs Gundrill

  • Dual Spindle
  • 70” Stroke
  • 2.000” dia Drilling Capacity

Wirfs Gundrill

  • Dual Spindle
  • 144” Stroke
  • 3.500” dia Drilling Capacity

DeHoff Gundrill

  • Dual Spindle
  • 48” Stroke
  • 1.625” dia Drilling Capacity

Eldorado Gundrill

  • Dual Sindle
  • 15” Stroke
  • 0.750” dia Drilling Capacity

Eldorado Gundrill

  • Dual Sindle
  • 15” Stroke
  • 0.750” dia Drilling Capacity

We can drill diameters up to 10" and lengths up to 24 feet.

Horizontal Boring Mills with Deep Hole Drilling Capability

G&L Gundrill

  • 3-Axis
  • 5.0” dia Drilling Capacity
  • 48.0” x 78.0” Table

Marcel Gundrill

  • 3-Axis
  • 5.0” dia Drilling Capacity
  • 48.0” x 78.0” Table

TechniDrill Ejector Drill

  • 3- Axis
  • 1.000-2.562” Dia Drilling Capacity
  • 48” x 72” Table

Lathes with Deep Hole and Trepanning Capability | Honing

Gisholt XL Turret Lathe Trepanning Machine

  • 3.0” – 10.0” dia Drilling Capacity
  • 31.375” Swing
  • 256.0” Bed

Gisholt L Turret Lathe Trepanning Machine

  • 3.0” – 10.0” dia Drilling Capacity
  • 31.375” Swing
  • 192.0” Bed

Sunnen Honing Machine

  • .125” – 2.50” dia x 120” Capacity

(2) DHS Honing Machines

  • 1.00” – 20.00” dia x 120” Capacity

We also supply raw materials and sawing services.

Some of the Industries We Serve.