DTH Air Hole Openers
Drill King manufactures hole openers of all sizes and designs. We manufacture our hole openers with highest grade of aircraft quality steel available. We manufacture from 6″- 36″ (152mm - 914mm) diameters with any size pilot hole required and all standard industry DTH shanks. Drill King keeps most popular hole openers in stock in sizes 8/10/12" (203/254/305mm) diameter for fast delivery times.
Key Features
- We specialize in customization of hole openers to your specifications
- Extra air flushing by adding air hole through the pilot center
- Add carbide buttons on the pilot for better evacuation and cleaning of the hole
- Increase pilot length to suit your application
- Upgrade to premium inserts when drilling in hard formations for longer wear life
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Prevent burying your bit by adding back reaming buttons, specifically effective in softer formations