he Minnich A-1-UTL Utility Drill is a compact, high-performance pneumatic drilling unit engineered for on-grade concrete applications where flexibility, portability, and efficiency are critical.
Designed to drill in both vertical and horizontal positions, the A-1-UTL provides versatility for a wide range of job-site drilling tasks.
Its lightweight construction allows for easy transport and positioning, while its low air consumption makes it an ideal alternative to electric hammer drills—especially in environments where electrical power is limited or impractical. The drill is available in two powerful, compact models, both optimized for reliable performance in tight and confined work areas.
To support cleaner and safer job-site conditions, both A-1-UTL models are available with an optional dust collection system, helping to minimize airborne debris during drilling operations. Additionally, special application kits and pattern kits can be added to expand functionality and meet specific project requirements.
Combining compact size, pneumatic reliability, and application flexibility, the Minnich A-1-UTL Utility Drill is a dependable solution for contractors seeking efficient and precise on-grade drilling performance.
Specifications
| Model | 15# |
|---|---|
| Chuck Size | 7/8″ x 3 1/4″ (22.3mm x 82.6mm) |
| Air Inlet (NPT) | 1/2″ (12.7mm) |
| Air Consumption | 36 CFM (1.02m³/min) |
| Drill Steel Shank | .875” x 3.25” (22.2mm x 82.6mm) |
| Drill Steel Length U.C. | 9” (22.9-cm) |
| Drill Bit Diameter | .625” – 1.00” (15.9mm to 25.4mm) |
| *Maximum Drill Depth | 7” (17.8cm) |
| Drill Distance From Top of Slab |
3” – 10” (7.6cm to 25.4cm) |
| Minimum Cutout Width | 24” (61.0cm) |
| SCFM Required | 32 (0.9 m^3/min) |
| PSIG Required | 84.5 (5.8 BAR) |
| Weight | 75lbs. (34.0kg) |





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