Ingersoll Rand 3940B2TIEX ATEX Air Impact Wrench combines a 1" drive size with 2,500 RPM free speed and up to 2,500 ft-lbs of maximum torque for demanding large-fastener applications. Its ATEX configuration is intended for applications requiring equipment designed for use in applicable potentially explosive atmospheres, while its high torque capacity supports substantial fastening and fastener removal work.
For maintenance teams working with large threaded connections, the 3940B2TIEX provides the drive capacity needed for compatible 1" impact tooling and a 2,500 ft-lbs maximum torque rating for high-output bolting tasks. The 2,500 RPM free speed distinguishes this ATEX model from standard configurations in the product family and should be used when comparing models or replacing an existing tool.
Type: ATEX Air Impact Wrench | Model: 3940B2TIEX | Drive Size: 1" | Free Speed: 2,500 RPM | Maximum Torque: 2,500 ft-lbs | Configuration: ATEX
Features:
- ATEX configuration is intended for applicable work environments where equipment designed for potentially explosive atmospheres is required.
- 1" drive size accommodates compatible impact-rated tooling for substantial bolting applications.
- 2,500 ft-lbs maximum torque provides high output for tightening and removing large threaded fasteners.
- 2,500 RPM free speed provides the operating speed specified for the 3940B2TIEX configuration.
- Pneumatic impact operation delivers repeated rotational force for demanding large-fastener work.

Tech Tip: To increase tool performance, extend tool life, and lessen repair costs, use it with a Filter-Regulator-Lubricator FRL)
Applications:
- Large-fastener installation and removal in applicable ATEX-classified work environments.
- Industrial maintenance and MRO involving substantial threaded connections.
- Heavy machinery service requiring compatible 1" impact tooling and high torque capacity.
- Equipment maintenance in facilities where the specified ATEX tool configuration is required by the application.
- High-torque pneumatic bolting work performed with an appropriately sized compressed-air system.
FAQs:
- Q: What drive size does the Ingersoll Rand 3940B2TIEX use?
A: The 3940B2TIEX is listed with a 1" drive size. Use compatible impact-rated tooling selected for the fastener and application. - Q: What is the maximum torque rating of the 3940B2TIEX?
A: The supplied manufacturer catalog information lists the tool with a maximum torque rating of 2,500 ft-lbs. - Q: What is the free speed of this ATEX impact wrench?
A: The 3940B2TIEX is listed at 2,500 RPM free speed. Free speed refers to tool speed while operating without a fastening load. - Q: What does ATEX mean for this model?
A: ATEX identifies this as a configuration intended for applicable potentially explosive atmospheres. The exact ATEX classification and suitability for a specific hazardous area should be confirmed against the manufacturer documentation and the site's required zone or equipment category before use. - Q: Can the 3940B2TIEX be selected solely by its torque rating?
A: No. In addition to torque and drive size, buyers should confirm that the model's specific ATEX classification is appropriate for the intended work environment and that the available compressed-air system meets the tool's requirements.
| SKU | Description | Actuation | Details | Handle | rpm | bpm | ft-lb (Nm) | ft-lb (Nm) | lb (kg) | in (mm) | in (mm) | cfm (l/s) | m/s² (K²) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/4 - 1 1/2" | |||||||||||||
| 2925RBP1TIEX | 3/4" Square |
Trigger | Thru-Hole | Pistol | 5200 | 1050 | 1600 (2169) |
350-100 (475-1492) |
12 (5.44) |
8.9 (226) |
1.75 (44) |
60 (1699) |
10.5 (1) |
| 3940B2TIEX | 1" Square |
Inside Trigger |
Thru-Hole | D-Handle | 2500 | 800 | 2500 (3390) |
500-1800 (680-2440) |
21.2 (9.6) |
13.5 (343) |
2.3 (59) |
64 (1812) |
13.1 (1.6) |
| 3942B2TIEX | 1" Square |
Inside Trigger |
Thru-Hole | D-Handle | 5000 | 850 | 3250 (4406) |
1000-2100 (1356-2848) |
22.6 (10.5) |
14.3 (362) |
2.3 (59) |
95 (2690) |
16.9 (4.6) |
| 3955B2TiEX | 1 1/2" Square |
Inside Trigger |
Thru-Hole | D-Handle | 2750 | 700 | 5000 (6779) |
1600-4150 (2170-5630) |
34.6 (15.7) |
16.5 (419.1) |
2.67 (68) |
80 (2266) |
20.8 (8.5) |
Ingersoll Rand 3940B2TIEX Impact Wrench Parts List
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For help choosing the correct Ingersoll Rand Air Impact Wrenches, 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
