Challenge EH-3A Three Spindle Hydraulic Paper Drill – 102925000816A
S/N: 45010
The EH-3A Three-Spindle Hydraulic Paper Drill effortlessly powers through stacks up to 2.5 inches thick—delivering 25% greater capacity than most competing models. Its automatic return stroke and variable speed control help reduce operator fatigue, prolong drill bit life, and extend intervals between sharpenings.
With the patented Quick-Flip head, you can instantly switch between three pre-programmed hole patterns without any tools. The spacious traversing table, equipped with hydraulic lift, guarantees precise alignment for standard three-hole loose-leaf, GBC, or custom patterns—all in a single stroke.
Engineered for durability, it features a robust cast-iron frame and sealed ball-bearing table movement for smooth, reliable performance.
Features:
- Patented Quick-Flip spindle head for instant change between three preset hole patterns
- Automatic drill head return reduces bit wear and sharpening frequency
- Variable hydraulic stroke speed and dwell control
- Easy spindle center adjustment with digital indicators
- Built-in automatic chip ejection and collection drawer
- Hydraulic foot-pedal operation with two-hand safety trip
Specifications:
- Large 15″ × 32″ traversing table on sealed ball bearings for precise alignment
- Powerful 3 HP hydraulic system with 2.5″ drilling capacity (25% greater than most drills)
- Accepts standard 2″ hollow drill bits from 1/8″ to 1/2″ diameter
- Heavy cast-iron construction
- 3 Spindles
- Maximum drilling capacity: 2-1/2″ (63.5 mm)
- Throat depth: 3-3/4″ (95 mm) from hole center to backgauge
- Table size: 15″ × 32″
- Table travel (left-right): 15″
- Drill bit sizes: 1/8″ – 1/2″ hollow (2″ length)
- Motor: 3 HP hydraulic, 208-230V single-phase (optional 110V transformer)
- Stroke rate: Adjustable, up to 8–10 strokes per minute
- Dimensions (W × D × H): 42″ × 36″ × 60″




















