
When technicians need more torque than a compact mini ratchet can provide but still want reduced reaction at the handle, the AIRCAT 812-RW 3/8" Impacting Ratchet gives automotive, equipment, and MRO teams a controlled pneumatic option for small-to-medium fastener service. Its 80 ft-lbs maximum torque supports higher-load removal and run-down tasks than standard 35 ft-lb air ratchets, while the 350 RPM free speed helps move repetitive work faster than hand ratcheting. The 3/8" square drive fits compatible 3/8" drive sockets for brackets, covers, guards, clamps, access panels, light mounts, and service hardware.
The 812-RW uses an internal impact mechanism (an impacting ratchet drive that helps reduce torque reaction and kick-back at the handle), helping lower the risk of finger trapping when fasteners tighten suddenly. At 2.96 lbs. and 9.80" long, this model gives technicians more torque than compact ratchets while remaining practical for common shop and service-bay work. AIRCAT lists this model at 79 dBA, and the built-in regulator gives the operator added control during fastener run-down, loosening, and installation.
Type: Impacting Ratchet | Model: 812-RW | Drive Size: 3/8" Square Drive | Free Speed: 350 RPM | Bolt Capacity: 1/2" | Max Torque: 80 ft-lbs @ 90 PSI | Weight: 2.96 lbs. | Length: 9.80" | Air Consumption: 4.0 CFM | Recommended Hose Size: 3/8" | Air Inlet: 1/4" NPT | Noise Level: 79 dBA
Features:
- Provides 80 ft-lbs of maximum torque for higher-output 3/8" drive ratchet applications.
- 350 RPM run-down speed helps speed up fastener removal and installation compared with manual ratcheting.
- Internal impact mechanism eliminates torque reaction and helps reduce the risk of finger trapping.
- Built-in regulator gives the operator control over run-down speed and output during fastening work.
- Very quiet compared with conventional air ratchets, with AIRCAT listing this model at 79 dBA.
- Composite handle grip increases operating comfort during repeated service work.
- Needle bearing construction increases reliability during regular shop and maintenance use.
- Push-and-lock forward/reverse switch helps prevent unwanted direction changes during operation.
Applications:
- Automotive repair: Removing and installing brackets, covers, clamps, accessory hardware, light suspension fasteners, and service-bay components within the tools torque range.
- Equipment maintenance: Working on guards, access panels, small mounts, housings, and service hardware where 3/8" drive sockets are commonly used.
- MRO and shop service: Handling repetitive fastener run-down on fixtures, panels, brackets, light mechanical assemblies, and general maintenance hardware.
- Body, interior, and underhood work: Speeding up removal and installation of service fasteners while reducing handle reaction in close-clearance areas.
- Light assembly and repair: Running down fasteners quickly before final hand feel or torque verification where a specified torque value is required.
FAQs:
- Q: What is the AIRCAT 812-RW best used for?
A: The AIRCAT 812-RW is best used for 3/8" drive fastening where technicians need more torque than a compact ratchet and want reduced torque reaction. Common uses include automotive repair, equipment service, light assembly, access panel work, and general MRO tasks. - Q: What makes the 812-RW an impacting ratchet?
A: The 812-RW uses an internal impact mechanism rather than acting like a conventional direct-drive air ratchet. This helps reduce kick-back and torque reaction at the handle when a fastener tightens suddenly. - Q: How is the AIRCAT 812-RW different from the AIRCAT 810-RW?
A: The AIRCAT 810-RW is a compact impacting ratchet rated at 50 ft-lbs and 550 RPM with a 6.30" length. The AIRCAT 812-RW is rated at 80 ft-lbs and 350 RPM with a 9.80" length, giving it higher torque in a longer body. - Q: What air hose size should I use with the AIRCAT 812-RW?
A: AIRCAT lists a 3/8" recommended hose size and a 1/4" NPT air inlet for this model. Using clean, regulated air helps the tool deliver proper speed, torque, and service life. - Q: Can this impacting ratchet replace a torque wrench?
A: No. The 812-RW helps remove and run down fasteners quickly, but final torque should be verified with a calibrated torque wrench whenever a specific torque value is required.
| SKU | Free Speed (RPM) |
Bolt Capacity (in.) |
Square Drive (in.) |
Max. Torque (ft-lb) @90 psi |
Weight (lbs.) |
Length (in) |
Air Cons. (CFM) |
Rec. Hose Size (in.) |
Air Inlet NPT (in.) |
|---|---|---|---|---|---|---|---|---|---|
| 807 | 300 | 3/8 | 3/8 | 35 | 1.10 | 5.40 | 3.0 | 3/8 | 1/4 |
| 801 | 320 | 3/8 | 3/8 | 35 | 1.60 | 8.50 | 4.0 | 3/8 | 1/4 |
| 810-RW | 550 | 3/8 | 3/8 | 50 | 1.40 | 6.30 | 4.0 | 3/8 | 1/4 |
| 812-RW | 350 | 1/2 | 3/8 | 80 | 2.96 | 9.80 | 4.0 | 3/8 | 1/4 |
For help choosing the correct Aircat Pneumatic Tools, 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