US PRO 8521 3/4" Industrial air impact gun 900LB US PRO
SKU: 92089095478

US PRO 8521 3/4" Industrial air impact gun 900LB US PRO

$102.56 $113.95
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Description

US PRO 8521 3/4" Industrial air impact gun 900LB US PROUS PRO 8521 3 4" Industrial air impact gun 900LB US PRO The US PRO 8521 is a professional grade pneumatic impact wrench engineered for heavy duty fastening applications. Featuring a robust 3 4" square drive and twin hammer mechanism, it delivers exceptional power with a maximum torque output of 1200N. m (885ft lb). Operating at 4600 RPM free speed, this tool handles bolts up to 22mm with precision control via an adjustable moment bound range of 500

US PRO 8521 3/4" Industrial air impact gun 900LB US PRO


The US PRO 8521 is a professional-grade pneumatic impact wrench engineered for heavy-duty fastening applications. Featuring a robust 3/4" square drive and twin hammer mechanism, it delivers exceptional power with a maximum torque output of 1200N.m (885ft-lb). Operating at 4600 RPM free speed, this tool handles bolts up to 22mm with precision control via an adjustable moment bound range of 500-1100 N.m. The 3/8" air inlet accommodates standard workshop compressors at 6-8kg/cm² pressure, whilst the 1.5" air length ensures manoeuvrability in confined spaces. Ideal for automotive, industrial, and construction work requiring reliable, consistent performance.

Square drive： 3/4"
Free speed: 4600r.p.m
Bolt capacity: 22mm
Max.torque: 1200N.m(885ft-lb)
Hammer mechanism: Twin hammer
Air inlet: 3/8"
Air pressure: 6-8kg/cm2
Air length 1.5"
Moment bound: 500-1100 N.m

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 92089095478

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4.6 ★★★★★
Based on 1277 reviews
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Verified Purchase
Drago
Pawtucket, US
★★★★★ 5
Beautiful and very easy to install
Size: 4 pcs: 15.7*5.7, Color: White
They look great and very easy to install, I really recommend this product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
J
Verified Purchase
Jodi Cook
Charlottesville, US
★★★★★ 3
Just Ok.
Size: 4 pcs: 15.7*5.7, Color: Maple Wood, Size: 4 pcs: 15.7*5.7, Color: Maple Wood
They look nice but they aren’t sturdy and do not hold much weight. I’ve bought better ones on Amazon.
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Reviewed in the United States on January 12, 2026
M
Verified Purchase
Mrs. Buyer
Dallas, US
★★★★★ 5
Worth
Size: 6 pcs: 15.7*5.7, Color: White
Really good wall amounts. I used the drywall anchors and it feels sturdy. I put like a 3 pound Crystal on it and it’s holding perfectly fine. I also was able to paint them with no problem would buy again.
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Reviewed in the United States on January 13, 2026
J
Verified Purchase
Jackson Caesar
Boise, US
★★★★★ 5
Great investment, and easy to assemble.
Color: Grey
Excellent dividers for the home. I purchased this set 3 years ago and recently had to place another order because the first order proved to be a perfect accessory in my basement apartment. As previously mentioned, I am in a basement apartment, and with these dividers, I can take an open space and create compartments. After a while, you forget that that open space was once a single room. These options added a great deal to my "Fonshuay," and lifestyle. This is a great investment and it was easy to assemble.
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Reviewed in the United States on September 11, 2025
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Verified Purchase
wlytle
Battle Creek, US
★★★★★ 1
NO instructions
Color: Grey
there were no instructions with this and it came in 100's of pieces. NOTHING, no picture, kind of hard to assemble when you dont know where to start
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Reviewed in the United States on October 11, 2025

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