Designed for precision production drilling, the Ingersoll Rand 8248-B30-3 self-feed twin drill combines a 1/8" drilling capacity, 0.25 HP pneumatic motor, 2,700 RPM free speed, and single gear reduction to deliver accurate, repeatable drilling performance in demanding manufacturing environments. Its integrated self-feed mechanism automatically advances the drill into the workpiece, helping improve hole consistency while reducing operator effort during repetitive production operations.
The twin drill configuration is designed to support simultaneous drilling operations, helping improve productivity and maintain consistent hole alignment where multiple holes are required. Built for continuous-duty industrial service, the 8248-B30-3 delivers dependable pneumatic performance for aerospace, transportation equipment, fabrication, and general manufacturing applications requiring efficient production cycles and repeatable drilling accuracy.
Type: Self-Feed Twin Drill | Drilling Capacity: 1/8 in. | Power: 0.25 HP | Free Speed: 2,700 RPM | Gear Reduction: Single Gear Reduction
Features:
- Self-feed mechanism automatically advances the drill for consistent hole quality and reduced operator fatigue.
- Twin drill configuration supports simultaneous drilling operations to improve production throughput.
- 0.25 HP pneumatic motor provides dependable performance for continuous-duty industrial applications.
- 2,700 RPM free speed delivers an effective balance of drilling speed and control.
- Single gear reduction provides efficient power transmission for reliable drilling performance.
- Designed for repetitive manufacturing operations requiring consistent and repeatable hole production.
- Pneumatic operation supports automated and semi-automated production environments with dependable performance.
Applications:
- Production drilling in aerospace and aircraft manufacturing.
- Simultaneous hole drilling for fabricated and assembled components.
- Transportation equipment and vehicle component manufacturing.
- Industrial fabrication requiring repeatable production drilling.
- General manufacturing applications where consistent multi-hole drilling improves efficiency and product quality.
FAQs:
- Q: What is the advantage of a self-feed drill?
A: A self-feed drill automatically advances into the workpiece at a controlled rate, helping produce consistent hole quality while reducing operator fatigue during repetitive drilling operations. - Q: What benefit does the twin drill configuration provide?
A: The twin drill configuration is designed to support simultaneous drilling operations, helping improve production efficiency where multiple holes are required. - Q: Why is the 2,700 RPM free speed beneficial?
A: The 2,700 RPM operating speed provides a balanced combination of drilling productivity and control, making it suitable for precision production drilling applications. - Q: What is the purpose of the single gear reduction?
A: The single gear reduction provides efficient power transmission, helping deliver smooth, dependable drilling performance during continuous manufacturing operations.
NON RETURNABLE. MADE TO ORDER.
| SKU | Stroke Lengths in (mm) |
Free Speed rpm |
*Nominal Drilling Capacities | Thrust @ 90psi lbs (N) |
Air Consp.‡ at Working Speed ft³/cycle (L/cycle) |
Sound Level dBa |
Standard Chuck Capacity in (mm) |
Gear Reduction |
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|---|---|---|---|---|---|---|---|---|---|---|---|
| Stainless Steel Type 304 |
Steel SAE 1213 |
Aluminum 2024-T4 |
Wood Med. or FRP |
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| BANT-A-MATIC SERIES | |||||||||||
| 8248-B45-1 | 1-1/4" (32) | 4,400 | 1/32 (.78) | 1/16 (1.6) | 3/32 (2.4) | 3/32 (2.4) | Single | ||||
| 8248-B30-1 | 1-1/4" (32) | 2,700 | 1/16 (1.6) | 3/32 (2.4) | 1/8 (3.2) | 1/8 (3.2) | 90 (400) | 1.5 (42) | 77 | 5/32(4.0) | Single |
| 8248-B8-1 | 1-1/4" (32) | 900 | 1/8 (3.2) | 1/8 (3.2) | 3/16 (4.8) | 3/16 (4.8) | Double | ||||
| 8248-B45-2 | 2.0" (51) | 4,400 | 1/32 (.78) | 1/16 (1.6) | 3/32 (2.4) | 3/32 (2.4) | Single | ||||
| 8248-B30-2 | 2.0" (51) | 2,700 | 1/16 (1.6) | 3/32 (2.4) | 1/8 (3.2) | 1/8 (3.2) | 90 (400) | 1.5 (42) | 77 | 5/32(4.0) | Single |
| 8248-B8-2 | 2.0" (51) | 900 | 1/8 (3.2) | 1/8 (3.2) | 3/16 (4.8) | 3/16 (4.8) | Double | ||||
| 8248-B45-3 | 3.0" (76) | 4,400 | 1/32 (.78) | 1/16 (1.6) | 3/32 (2.4) | 3/32 (2.4) | Single | ||||
| 8248-B30-3 | 3.0" (76) | 2,700 | 1/16 (1.6) | 3/32 (2.4) | 1/8 (3.2) | 1/8 (3.2) | 90 (400) | 1.5 (42) | 77 | 5/32(4.0) | Single |
| 8248-B8-3 | 3.0" (76) | 900 | 1/8 (3.2) | 1/8 (3.2) | 3/16 (4.8) | 3/16 (4.8) | Double | ||||
| PAR-A-MATIC SERIES | |||||||||||
| 8258-C50-1 | 1-1/4" (32) | 5,000 | 1/16 (1.6) | 1/8 (3.2) | 1/8 (3.2) | Single | |||||
| 8258-C28-1 | 1-1/4" (32) | 2,800 | 3/64 (1.2) | 1/8 (3.2) | 3/16 (4.5) | 3/16 (4.5) | Single | ||||
| 8258-C21-1 | 1-1/4" (32) | 2,100 | 5/64 (1.9) | 5/32 (4.0) | 7/32 (5.6) | 7/32 (5.6) | 170 (756) | 2.3 (65) | 74 | 1/4 (6.4) | Single |
| 8258-C14-1 | 1-1/4" (32) | 1,450 | 7/64 (2.7) | 3/16 (4.5) | 1/4 (6.4) | 1/4 (6.4) | Double | ||||
| 8258-C8-1 | 1-1/4" (32) | 850 | 11/64 (4.3) | 1/4 (6.4) | 9/32 (7.1) | 9/32 (7.1) | Double | ||||
| 8258-C5-1 | 1-1/4" (32) | 500 | 1/4 (6.4) | 1/4 (6.4) | 5/16 (7.9) | 5/16 (7.9) | Double | ||||
| 8258-C50-2 | 2.0" (51) | 5,000 | 1/16 (1.6) | 1/8 (3.2) | 1/8 (3.2) | Single | |||||
| 8258-C28-2 | 2.0" (51) | 2,800 | 3/64 (1.2) | 1/8 (3.2) | 3/16 (4.5) | 3/16 (4.5) | Single | ||||
| 8258-C21-2 | 2.0" (51) | 2,100 | 5/64 (1.9) | 5/32 (4.0) | 7/32 (5.6) | 7/32 (5.6) | 170 (756) | 2.3 (65) | 74 | 1/4 (6.4) | Single |
| 8258-C14-2 | 2.0" (51) | 1,450 | 7/64 (2.7) | 3/16 (4.5) | 1/4 (6.4) | 1/4 (6.4) | Double | ||||
| 8258-C8-2 | 2.0" (51) | 850 | 11/64 (4.3) | 1/4 (6.4) | 9/32 (7.1) | 9/32 (7.1) | Double | ||||
| 8258-C5-2 | 2.0" (51) | 500 | 1/4 (6.4) | 1/4 (6.4) | 5/16 (7.9) | 5/16 (7.9) | Double | ||||
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