Unique 523 Line Boring Machine Highlights
- 23 Precision Spindles: 11 right-hand / 12 left-hand spindles at standard 32mm spacing.
- Pneumatic Foot-Pedal Stroke: Drilling stroke is completed by a pneumatic cylinder operated by a foot pedal — fast, consistent, and easy on the operator.
- Free 5-Year Drill-Head Guarantee: Unique backs the precision-machined drill head with a free 5-year guarantee — "listen and compare."
- Quiet, Reliable Drill Head: Double roller bearings and helical steel gears keep the drill head quiet and durable.
- Sturdy Tubular Steel Frame: Built for industrial-duty production environments.
- 60" Back Fence: Heavy-duty flip-stops for fast, repeatable positioning.
Unique 523 Line Boring Machine Specifications
| Brand | Unique Machine & Tool Co. |
|---|---|
| Model | 523 Line Boring Machine (23-spindle) |
| Spindles | 23 total (11 RH / 12 LH) |
| Spindle Spacing | 32mm |
| Spindle Speed | 1,725 RPM (fixed) |
| Motor | 2 HP, 1PH |
| Electrical | 220 VAC, single phase, 9 Amps |
| Stroke | Pneumatic, foot-pedal operated, 3" max down stroke |
| Throat Depth | 10-1/2" |
| Back Fence | 60" with heavy-duty flip-stops |
| Guide Shafts | 1" ground steel |
| Work Height | 36" |
| Max Material Thickness | 2-1/2" |
| Machine Weight | 600 lbs |
| Warranty | 1 year, parts only; 5-Year Drill-Head Guarantee, free |


