Ingersoll Rand 1P38ST4 pneumatic air drill is a lightweight pistol grip tool designed for precision drilling in production, assembly, maintenance, and general industrial applications. Delivering 0.19 HP, a free speed of 3,800 RPM, and up to 20.4 in-lbs maximum torque, this drill provides dependable performance for light-duty drilling tasks where accuracy and operator control are essential. The ergonomic pistol grip design and convenient trigger-start throttle allow for comfortable one-handed operation while maintaining excellent control throughout the drilling process.
Built for consistent everyday performance, the 1P38ST4 combines a compact profile with reliable pneumatic power to help improve productivity in repetitive drilling applications. Its trigger-start operation enables quick speed control, making it suitable for manufacturing facilities, maintenance shops, fabrication operations, and assembly lines.
Type: Pneumatic Air Drill | Configuration: Pistol Grip | Power: 0.19 HP | Free Speed: 3,800 RPM | Max Torque: 20.4 in-lbs | Throttle: Trigger-Start
Features:
- Pistol grip configuration provides comfortable handling and improved operator control during drilling operations
- 0.19 HP air motor delivers dependable performance for light-duty production and maintenance applications
- Free speed of 3,800 RPM supports efficient drilling in a variety of materials
- Trigger-start throttle allows convenient one-handed operation and responsive speed control
- Produces up to 20.4 in-lbs of maximum torque for consistent drilling performance
- Compact, lightweight design helps reduce operator fatigue during repetitive use

Tech Tip: To increase tool performance, extend tool life, and lessen repair costs, use it with a Filter-Regulator-Lubricator (FRL)
Made in USA: ![]()
Applications:
- General industrial drilling operations.
- Manufacturing and production assembly lines.
- Maintenance, repair, and overhaul (MRO) tasks.
- Metal fabrication and equipment assembly.
- Automotive service and component installation.
FAQs:
- Q: What type of handle does the 1P38ST4 use?
A: This model features a pistol grip design for comfortable handling and improved drilling control. - Q: What is the free speed of this air drill?
A: The 1P38ST4 operates at a free speed of 3,800 RPM. - Q: How much torque does this drill produce?
A: It delivers up to 20.4 in-lbs of maximum torque. - Q: How is the drill activated?
A: The tool uses a trigger-start throttle that provides convenient speed control during operation.
| SKU | Maximum Torque | Free Speed | Weight | Length | Maximum Drill Capacity | Side to Center | Air Consumption |
|---|---|---|---|---|---|---|---|
| in-lbs (Nm) | rpm | lbs (kg) | in (mm) | in (mm) | in (mm) | cfm (L/min) | |
| Trigger Start | |||||||
| 1P38ST4 | 20.4 (2.3) | 3,800 | 1.4 (0.6) | 6.3" (159) | 1/4" (6.0) | 0.7" (17) | 11 (311) |
| 1AL1 | 15 (1.7) | 2,800 | 1.4 (0.6) | 6.3" (159) | 1/4" (6.0) | 0.7" (17) | 11 (311) |
| 1P09ST4 | 67.3 (7.6) | 900 | 1.5 (0.7) | 6.7" (171) | 1/4" (6.0) | 0.7" (17) | 11 (311) |
| 1P06ST4 | 100 (11.3) | 600 | 1.5 (0.7) | 6.7" (171) | 1/4" (6.0) | 0.7" (17) | 11 (311) |
Looking for more information about the Ingersoll Rand Drill? Click here to view the Catalog
For help choosing the correct Ingersoll Rand Drills for your application, please call (800) 608-5210 or email info@intlairtool.com
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
