You would remove the plug from the front of the hammer case and add a high quality grease specifically for impact wrenches. Alternatively, daily, add 10-15 drops of 10-weight air tool oil directly into the air inlet before use to maintain the internal components.
AIRCAT Air Impact Wrench, 1/2in. Drive, 800ft./lbs. Torque, Model# 1431

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- 1/2in. impact wrench delivers 800 ft./lbs. of nut-busting torque
- Twin hammer mechanism delivers maximum power and long life
- Ergonomically designed grip perfectly fits the hand, providing superior user comfort
- Cross bolt forward/reverse and power management control provides excellent control
- Triple heat-treated Ni-Cr-Mo alloy steel hammer mechanism and anvil provide ultimate reliability
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Description
Key Specs
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Q & A
Accessories
Warranty
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Product Summary
What's Included
- (1) 1/2in. impact wrench
Features + Benefits
- 1/2in. impact wrench delivers 800 ft./lbs. of nut-busting torque
- Twin hammer mechanism delivers maximum power and long life
- Ergonomically designed grip perfectly fits the hand, providing superior user comfort
- Cross bolt forward/reverse and power management control provides excellent control
- Triple heat-treated Ni-Cr-Mo alloy steel hammer mechanism and anvil provide ultimate reliability
- Operates at 9000 RPM (no load); delivers 1600 IPM
- Styled for perfection and built to last
- 8 CFM average air consumption; 32 CFM at load
Key Specs
| Attribute | Specification |
|---|---|
item# | 77491 |
Brand | AirCat |
Manufacturer's Warranty | 2 year limited warranty |
Ship Weight | 6.6 LB |
Drive Size | 1/2 in |
Max. RPM | 9,000 |
Impacts Per Minute | 1,600 |
Max. Reverse Torque | 800 ft-lbs. |
Max. Forward Torque | 800 ft-lbs. |
Min. Working Torque | 800 ft-lbs. |
Max. Working Torque | 800 ft-lbs. |
Air Consumption | 8 cfm |
CFM at Load | 32 |
| Attribute | Specification |
|---|---|
Nut Busting Torque | 800 ft-lbs. |
Max. PSI | 90 |
Air Inlet Size | 1/4 in |
Hammer Mechanism | Yes |
Min. Hose Size | 3/8 in |
Variable Speed | Yes |
Reversible | Yes |
Case Included | No |
Bolt Capacity | 0.5 in |
Noise Level | 109 dB |
Tool Length | 7.25 in |
Product Weight | 5.7000 lb |
Dimensions L x W x H (in.) | 7.25 x 2.81 x 7.81 in |
Reviews
Questions & Answers
Questions
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· 8 months ago
How is the hammer mechanism lubricated?
1 answer-
ProductExpert6· 8 months ago
Helpful?
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· 4 years ago
Is the housing aluminum
1 answer-
ProductExpert6· 4 years ago
The housing would be made of aluminum alloy.
Helpful?
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· 7 years ago
Who builds the Aircat?
1 answer-
ProductExpert12· 7 years ago
AIRCAT Pneumatic Tools is the manufacturer of this AIRCAT impact wrench.
Helpful?
-
Warranty
Manufacturer's Warranty
2 year limited warranty
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Replacement Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
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Specifications
1/2 in
1 in
3/8 in
1 in
9,000
5,500
6,000
6,000
1,600
770
1,350
750
800 ft-lbs.
2,100 ft-lbs.
475 ft-lbs.
-
800 ft-lbs.
2,000 ft-lbs.
380 ft-lbs.
-
800 ft-lbs.
40 ft-lbs.
380 ft-lbs.
150 ft-lbs.
800 ft-lbs.
2,100 ft-lbs.
380 ft-lbs.
1,000 ft-lbs.
8 cfm
14 cfm
4 cfm
10 cfm
32
56
17
55
800 ft-lbs.
2,100 ft-lbs.
475 ft-lbs.
-
90
90
90
-
1/4 in
1/2 in
1/4 in
1/2 in
Yes
Yes
Yes
-
3/8 in
3/4 in
3/8 in
1/2 in
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
-
0.5 in
-
-
1.25 in
109 dB
-
89.7 dB
109.1 dB
7.25 in
19.125 in
4.6 in
18.5 in
5.7000 lb
21.5800 lb
2.4000 lb
-
7.25 x 2.81 x 7.81 in
19.1 x 9.5 x 6.5 in
4.6 x 2.4 x 7.1 in
-
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