Ingersoll Rand QS50P3 Pneumatic Pulse Tool is engineered for precision fastening applications that require low torque, repeatable accuracy, and reduced operator fatigue. Featuring a shut-off clutch, 4,300 RPM free speed, a 3–6 ft-lbs torque range, and a 3/8" square drive, this pneumatic pulse tool delivers smooth, controlled fastening for light-duty industrial assembly operations. Its oil pulse mechanism helps minimize torque reaction while providing consistent tightening performance during repetitive production tasks.
The QS50P3 combines low-torque precision with automatic shut-off functionality to help improve fastening consistency and reduce the possibility of over-tightening. Designed for continuous assembly environments, this pulse tool is well suited for electronics manufacturing, appliance assembly, automotive subassemblies, and other production applications where accurate, repeatable fastening is essential.
Type: Pneumatic Pulse Tool | Model: QS50P3 | Clutch Type: Shut-Off | Free Speed: 4,300 RPM | Torque Range: 3–6 ft-lbs | Drive Size: 3/8" Square
Features:
- Oil pulse mechanism helps reduce torque reaction, improving operator comfort during repetitive fastening applications.
- Automatic shut-off clutch stops the tool once the preset torque is achieved, supporting consistent fastening quality.
- 4,300 RPM free speed provides efficient fastening performance for production assembly environments.
- 3–6 ft-lbs torque range is ideal for controlled, low-torque fastening applications.
- 3/8-inch square drive accepts compatible sockets for precision industrial assembly work.
- Designed for repetitive manufacturing operations where reliable torque control and fastening consistency are important.

Tech Tip: To increase tool performance, extend tool life and lessen repair costs use it with a Filter-Regulator-Lubricator (FRLs)
Made in USA: 
Applications:
- Electronics and electrical equipment assembly.
- Appliance manufacturing and light industrial production.
- Automotive component and subsystem assembly.
- General manufacturing operations requiring low-torque fastening.
- Precision assembly applications where reduced torque reaction and repeatable fastening improve product quality.
FAQs:
- Q: What is the purpose of the shut-off clutch?
A: The shut-off clutch automatically stops the tool after the preset torque is reached, helping deliver consistent fastening results while reducing the chance of over-tightening. - Q: What torque range does the QS50P3 provide?
A: The catalog confirms a fastening torque range of 3–6 ft-lbs. - Q: What drive size does this pulse tool use?
A: The QS50P3 features a 3/8-inch square drive for use with compatible sockets. - Q: Why use a pneumatic pulse tool for precision assembly?
A: The oil pulse mechanism helps reduce torque reaction while delivering smooth, controlled, and repeatable fastening for production environments. - Q: Does the catalog specify weight, air consumption, air inlet size, or operating pressure?
A: No. Those specifications were not confirmed in the provided source and have therefore been omitted.
| SKU | Fastener Size | Torque Range FT-LBS (NM) |
Free Speed RPM |
Weight LBS (KG) |
Overall Length IN (MM) |
Side To Center Distance IN (MM) |
Output Drive IN |
Air Consumption CFM |
|---|---|---|---|---|---|---|---|---|
| Pistol | ||||||||
| QS50P3 | M5 | 3 - 6 (4.5 - 8) | 4300 | 2.1 (0.95) | 6.5 (164) | 0.9 (23) | 3/8” Square Drive | 8.9 |
| QS50PQ1 | M5 | 3 - 6 (4.5 - 8) | 4300 | 2.1 (0.95) | 6.5 (164) | 0.9 (23) | 1/4” Quick-Change Hex Drive | 8.9 |
| QS60P3 | M6 | 5.1 - 11.4 (7 - 15.5) | 5300 | 2.4 (1.1) | 6.5 (164) | 0.9 (23) | 3/8” Square Drive | 12 |
| QS60PQ1 | M6 | 4.4 - 9.6 (6 - 13) | 5300 | 2.1 (1) | 6.5 (164) | 0.9 (23) | 1/4” Quick-Change Hex Drive | 12 |
| QS70P3 | M6 - M8 | 11.1 - 23.6 (15 - 32) | 6800 | 2.4 (1.1) | 7 (177) | 0.9 (23) | 3/8” Square Drive | 13 |
| QS70PQ1 | M6 - M8 | 9.6 - 20.7 (13 - 28) | 6800 | 2.4 (11) | 7 (177) | 0.9 (23) | 1/4” Quick-Change Hex Drive | 13 |
| QS80P3 | M8 | 22.1 - 40.6 (30 - 55) | 6800 | 2.4 (1.1) | 7.4 (187) | 1 (25) | 3/8” Square Drive | 16 |
| QS110P4 | M10 - M12 | 37 - 64 (50 - 85) | 5800 | 3.3 (1.51) | 7.6 (194) | 2.2 (57) | 1/2” Square Drive | 17.7 |
| QS120P4 | M12 | 52 - 85 (70 - 115) | 5400 | 3.9 (1.8) | 7.9 (201) | 2.4 (62) | 1/2” Square Drive | 18.4 |
| QS140P4 | M14 | 81 - 110 (110 - 150) | 5200 | 4.6 (2.1) | 8.4 (214) | 2.6 (65) | 1/2” Square Drive | 25 |
| QS150P6 | M16 | 103 - 155 (140 - 210) | 4400 | 6.5 (3) | 9.3 (237) | 1.5 (39) | 3/4” Square Drive | 25 |
Looking for more information about Ingersoll Rand Pulse Tool? Click here to view the Catalog
For help choosing the correct Ingersoll Rand Pulse Tools 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
