Ingersoll Rand 8245-B45-1 is a Bant-A-Matic Series Self-Feed Air Drill designed for controlled, repetitive drilling operations where pneumatic feed and retract are required. This model combines a 0.25 HP pneumatic motor with a 4,400 RPM free speed and single gear reduction. The 8245-B45-1 uses a 1-1/4 in. stroke and provides 90 lb (400 N) thrust at 90 PSI for controlled self-feed drilling.
The self-feed mechanism uses a double-acting air piston for forward and retract movement, while a built-in four-way valve permits manual or remote operation. Needle-valve controls allow adjustment of forward and retract feed rates, and an adjustment screw provides infinite stroke-length settings. Ball-bearing spindle support helps maintain controlled spindle operation, while the muffled exhaust reduces operating noise. The drill has a 1/4 in. (6.4 mm) standard chuck capacity, 1.5 ft³/cycle (42 L/cycle) air consumption at working speed, and a 77 dB(A) sound level.
Type: Self-Feed Air Drill | Series: Bant-A-Matic | Model: 8245-B45-1 | Motor Power: 0.25 HP (.20 kW) | Free Speed: 4,400 RPM | Gear Reduction: Single | Stroke Length: 1-1/4 in. (32 mm) | Thrust at 90 PSI: 90 lb (400 N) | Air Consumption at Working Speed: 1.5 ft³/cycle (42 L/cycle) | Sound Level: 77 dB(A) | Standard Chuck Capacity: 1/4 in. (6.4 mm)
Features:
- The self-feed configuration provides controlled forward and retract movement for repetitive drilling operations.
- The 0.25 HP pneumatic motor supplies spindle rotation for the drilling process.
- Single gear reduction provides the drive configuration specified for this 4,400 RPM model.
- A double-acting air piston provides controlled feed and retract strokes.
- The built-in four-way valve permits manual or remote operation.
- Needle-valve controls allow adjustment of the forward and retract feed rates.
- An adjustment screw provides infinite stroke-length settings within the model's stroke range.
- Ball-bearing spindle support provides controlled spindle operation.
- A muffled exhaust helps reduce operating noise during pneumatic operation.
- The 1/4 in. standard chuck accommodates compatible drill tooling within the manufacturer's specified capacity.
NON-RETURNABLE. MADE TO ORDER.
Applications:
- Production drilling — performing repetitive drilling operations where controlled pneumatic feed and retract are beneficial.
- Fixture-mounted machining — integrating the self-feed drill into dedicated drilling fixtures and production equipment.
- Secondary machining — adding repeatable drilling operations to manufacturing processes without continuous manual feed control.
- Automated drilling systems — using the four-way valve for manual or remote operation where the installation supports it.
- Small-hole drilling — using compatible tooling and materials within the manufacturer's stated drilling-capacity requirements.
FAQs:
- Q: What is the free speed of the 8245-B45-1?
A: The 8245-B45-1 has a 4,400 RPM free speed. - Q: What is the motor power?
A: This self-feed drill uses a 0.25 HP (.20 kW) pneumatic motor. - Q: What does single gear reduction mean?
A: It identifies the single gear reduction configuration used in the drill's spindle drive. - Q: What is the stroke length?
A: The 8245-B45-1 has a 1-1/4 in. (32 mm) stroke. - Q: How much thrust does the drill provide?
A: The specified thrust is 90 lb (400 N) at 90 PSI. - Q: What is the standard chuck capacity?
A: The standard chuck capacity is 1/4 in. (6.4 mm). - Q: What is the air consumption?
A: Air consumption is specified at 1.5 ft³/cycle (42 L/cycle) at working speed.
| 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 |
|||
|---|---|---|---|---|---|---|---|---|---|---|---|
| STAINLESS STEEL TYPE 304 |
STEEL SAE 1213 |
ALUMINUM 2024-T4 |
WOOD MED. OR FRP |
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| BANT-A-MATIC SERIES | |||||||||||
| 8245-203-1* | 1-1/4” (32) | 19,000 | — | 1/64 (0.4) | 1/32 (0.8) | 1/16 (1.6) | Single | ||||
| 8245-101-1 | 1-1/4” (32) | 10,000 | 1/64 (0.4) | 1/32 (0.8) | 1/16 (1.6) | 1/8 (3.2) | Double | ||||
| 8245-B45-1 | 1-1/4” (32) | 4,400 | 1/32 (0.8) | 1/16 (1.6) | 1/8 (3.2) | 5/32 (4.0) | 90 (400) | 1.5 (42) | 77 | 1/4 (6.4) | Single |
| 8245-B30-1 | 1-1/4” (32) | 2,700 | 1/16 (1.6) | 1/8 (3.2) | 3/16 (4.8) | 3/16 (4.8) | Single | ||||
| 8245-B8-1 | 1-1/4” (32) | 900 | 3/32 (2.4) | 3/16 (4.8) | 1/4 (6.4) | 5/16 (7.9) | Double | ||||
| 8245-203-2 | 2.0” (51) | 19,000 | — | 1/64 (0.4) | 1/32 (0.8) | 1/16 (1.6) | Single | ||||
| 8245-101-2 | 2.0” (51) | 10,000 | 1/64 (0.4) | 1/32 (0.8) | 1/16 (1.6) | 1/8 (3.2) | Double | ||||
| 8245-B45-2 | 2.0” (51) | 4,400 | 1/32 (0.8) | 1/16 (1.6) | 1/8 (3.2) | 5/32 (4.0) | 90 (400) | 1.5 (42) | 77 | 1/4 (6.4) | Single |
| 8245-B30-2 | 2.0” (51) | 2,700 | 1/16 (1.6) | 1/8 (3.2) | 3/16 (4.8) | 3/16 (4.8) | Single | ||||
| 8245-B8-2 | 2.0” (51) | 900 | 3/32 (2.4) | 3/16 (4.8) | 1/4 (6.4) | 5/16 (7.9) | Double | ||||
| 8245-203-3 | 3.0” (76) | 19,000 | — | 1/64 (0.4) | 1/32 (0.8) | 1/16 (1.6) | Single | ||||
| 8245-101-3 | 3.0” (76) | 10,000 | 1/64 (0.4) | 1/32 (0.8) | 1/16 (1.6) | 1/8 (3.2) | Double | ||||
| 8245-B45-3 | 3.0” (76) | 4,400 | 1/32 (0.8) | 1/16 (1.6) | 1/8 (3.2) | 5/32 (4.0) | 90 (400) | 1.5 (42) | 77 | 1/4 (6.4) | Single |
| 8245-B30-3 | 3.0” (76) | 2,700 | 1/16 (1.6) | 1/8 (3.2) | 3/16 (4.8) | 3/16 (4.8) | Single | ||||
| 8245-B8-3 | 3.0” (76) | 900 | 3/32 (2.4) | 3/16 (4.8) | 1/4 (6.4) | 5/16 (7.9) | Double | ||||
| PAR-A-MATIC SERIES | |||||||||||
| *8255-172-1 | 1-1/4” (32) | 17,000 | — | 1/64 (0.4) | 1/32 (0.8) | 1/16 (1.6) | Single | ||||
| 8255-101-1 | 1-1/4” (32) | 10,000 | — | 1/32 (0.8) | 1/16 (1.6) | 5/32 (4.0) | Double | ||||
| 8255-A50-1 | 1-1/4” (32) | 5,000 | — | 5/64 (2.0) | 3/16 (4.8) | 3/16 (4.8) | Single | ||||
| 8255-A28-1 | 1-1/4” (32) | 2,800 | 1/16 (1.6) | 9/64 (3.6) | 1/4 (6.4) | 1/4 (6.4) | Single | ||||
| 8255-A21-1 | 1-1/4” (32) | 2,100 | 7/64 (2.8) | 7/32 (5.6) | 9/32 (7.1) | 5/16 (7.9) | 170 (756) | 2.3 (65) | 74 | 5/16 (7.9) | Single |
| 8255-A14-1 | 1-1/4” (32) | 1,450 | 5/32 (4.0) | 1/4 (6.4) | 5/16 (7.9) | 3/8 (9.5) | Double | ||||
| 8255-A8-1 | 1-1/4” (32) | 850 | 11/64 (4.4) | 9/32 (7.1) | 21/64 (8.3) | 25/64 (9.9) | Double | ||||
| 8255-A5-1 | 1-1/4” (32) | 500 | 1/4 (6.4) | 5/16 (7.9) | 11/32 (8.7) | 13/32 (10.3) | Double | ||||
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