Holemaster1 - Model JED-B - Drilling Ring- Brochure

The JED-B is similar to the JED-A in design except equipped with an 8-inch FAILING Jet Eductor. The mast is deeper and wider to accommodate larger bits and casing. The JED-B Holemaster® is recommended for holes up to 72 inches in diameter from 400 to 500 feet deep—deeper with air lift—depending on formations encountered Casing up to 60 inches in diameter can be handles with the JED-B.