$43.95
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3 Year Home Improvement Protection Plan

from Asurion, LLC
  • No deductibles or added costs. Parts, labor and shipping included.
  • Drops, spills and cracked screens covered from day one for portable products only.
  • Other breakdowns covered after the manufacturer's warranty expires.
  • File a claim online or by phone 24/7. If we can't repair it, we'll replace it or reimburse the purchase price with an Amazon e-gift card.
  • Plans are only valid for new or certified refurbished products purchased in the last 30 days with no pre-existing damage. Protection plan documents will be delivered via email within 24 hours of purchase.

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4 Year Home Improvement Protection Plan

from Asurion, LLC
$8.99
  • No deductibles or added costs. Parts, labor and shipping included.
  • Drops, spills and cracked screens covered from day one for portable products only.
  • Other breakdowns covered after the manufacturer's warranty expires.
  • File a claim online or by phone 24/7. If we can't repair it, we'll replace it or reimburse the purchase price with an Amazon e-gift card.
  • Plans are only valid for new or certified refurbished products purchased in the last 30 days with no pre-existing damage. Protection plan documents will be delivered via email within 24 hours of purchase.

ACDelco BLOW-OUT OFFER! Heavy Duty 1/2” Air Impact Wrench, Twin Hammer, 650 ft-lbs Max Torque with Composite body and Comfort Grip, ANI403

by ACDelco
4.5 out of 5 stars 152 ratings

Price: $43.95 & FREE Shipping
1/2" Air Impact Wrench
    This fits your .
  • Make sure this fits by entering your model number.
  • Powerful TWIN HAMMER impact mechanism
  • Delivers up to 650 ft-lbs of max torque to easily break free fasteners
  • 8,000 RPM of free speed; Air Consumption: 5.3 CFM
  • Durable aluminum alloy housing
  • Forward: 6 speeds; Reverse: 6 speeds
See more product details
Customer reviews by feature
Value for money
4.8 4.8
Durability
4.6 4.6
Ergonomic
4.3 4.3
Light weight
3.9 3.9

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From the manufacturer

ani401_sm ani402 ani403 ani404 ani405a ani402-2
ANI401 ANI402 ANI403 ANI404 ANI405A ANI402-2
Drive Size 1/2" Square, Twin Hammer 1/2" Square, Twin Hammer 1/2" Square, Twin Hammer 1/2" Square, Twin Hammer 1/2" Square, Twin Hammer 1/2" Square, Twin Hammer
Speed Options 3 Forward / 3 Reverse 4 Forward / 4 Reverse 6 Forward / 6 Reverse 3 Forward / 1 Reverse 6 Forward / 6 Reverse 4 Forward / 4 Reverse
Compsite Materials
Max. Torque 320 ft-lbs (434 Nm) 750 ft-lbs (1,016 Nm) 650 ft-lbs (880 Nm) 650 ft-lbs (880 Nm) 500 ft.-lbs. (677 Nm) 750 ft-lbs (1,016 Nm)
Free Speed 12,000 RPM 8,000 RPM 8,000 RPM 7,000 RPM 8,000 RPM 8,000 RPM
Air Consumption 3.9 CFM 5.8 CFM 6.3 CFM 5.8 CFM 6.3 CFM 5.8 CFM
Length 6-11/16" 7-1/32" 7-1/8" 7-1/32" 7-1/4 inch 7-1/32"
Air Inlet / Pressure 1/4" NPT / 90 PSI 1/4" NPT / 90 PSI 1/4" NPT / 90 PSI 1/4" NPT / 90 PSI 1/4" NPT / 90 PSI 1/4" NPT / 90 PSI
Weight 2.64 lbs (1.2 kg) 4.95 lbs (2.25 kg) 5.58 lbs (2.56 kg) 4.95 lbs (2.25 kg) 5.72 lbs 4.95 lbs (2.25 kg)

Compare with similar items


ACDelco BLOW-OUT OFFER! Heavy Duty 1/2" Air Impact Wrench, Twin Hammer, 650 ft-lbs Max Torque with Composite body and Comfort Grip, ANI403
Campbell Hausfeld 1/2" Impact Wrench, Air Impact Driver (TL140200AV), 550 FT/LBS Torque
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AIRCAT 1150 "Killer Torque" 1/2-Inch Impact Wrench, Medium, Black
Ingersoll Rand 231C Super-Duty Air Impact Wrench, 1/2 Inch,Silver/ Black,3.4 x 8.2 x 8.8 inches
Valu-Air RP17407 1/2" Twin Hammer Air Impact Wrench
Customer Rating 4 out of 5 stars (150) 4 out of 5 stars (430) 4 out of 5 stars (212) 4 out of 5 stars (1147) 4 out of 5 stars (842) 5 out of 5 stars (5)
Price $43.95 $54.95 $45.95 $145.91 $114.99 $35.58
Shipping FREE Shipping on orders over $25 FREE Shipping on orders over $25 FREE Shipping on orders over $25 FREE Shipping on orders over $25 FREE Shipping on orders over $25 FREE Shipping on orders over $25
Sold By ACDelco Tools 🛠️ Amazon.com ACDelco Tools 🛠️ Amazon.com Amazon.com CastleRock Tools
Item Dimensions 2.75 x 7.25 x 7.5 in 9.85 x 3 x 9.06 in 2.5 x 7 x 8 in 7.5 x 2.8 x 7 in 3.4 x 8.2 x 8.8 in 7 x 2.6 x 7.2 in
Power Source air-powered air-powered air-powered Air Powered air-powered air-powered
Voltage 20 volts 0 volts 0 volts 0 volts 0 volts 0.01 volt

Product description

Style:1/2" Air Impact Wrench

ACDelco ANI403 1/2" AIR Impact Wrench provides:

  • Maximum 650 ft-lbs of torque with Twin Hammer mechanism.
  • Strong and durable aluminum alloy housing.
  • Powerful and durable impact mechanism.
  • Forward: 6 speeds; Reverse: 6 speeds.
  • Front exhaust design.
  • Free speed of 8,000 RPM.
  • Standard Bolt size: 5/8-inch.
  • Air consumption: 5.3 CFM.
  • Overall length: 7-1/8-inch.
  • Air pressure: 90 PSI.
  • Tool weight at 5.58 lbs.

  • [ACDelco Tools] ACDelco power tools are built for people who make a living with their tools, day in and day out, regardless of industry you are in and require reliability.


    Product information

    Style:1/2" Air Impact Wrench

    Technical Details

    Technical Specification

    Additional Information

    Warranty & Support

    Warranty, Parts:Parts
    Product Warranty: For warranty information about this product, please click here

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    Customer Questions & Answers

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    152 customer ratings
    How does Amazon calculate star ratings?
    Reviewed in the United States on May 1, 2018
    Style: 1/2" Air Impact WrenchVerified Purchase
    24 people found this helpful
    Comment Report abuse
    Reviewed in the United States on April 15, 2018
    Style: Twin HammerVerified Purchase
    16 people found this helpful
    Comment Report abuse
    Reviewed in the United States on August 19, 2018
    Style: Twin HammerVerified Purchase
    4 people found this helpful
    Comment Report abuse
    Reviewed in the United States on December 30, 2018
    Style: 1/2" Air Impact WrenchVerified Purchase
    2 people found this helpful
    Comment Report abuse
    Reviewed in the United States on June 7, 2018
    Style: 1/2" Air Impact WrenchVerified Purchase
    2 people found this helpful
    Comment Report abuse
    Reviewed in the United States on July 28, 2016
    Style: 1/2" Air Impact WrenchVerified Purchase
    4 people found this helpful
    Comment Report abuse
    Reviewed in the United States on March 4, 2019
    Style: 1/2" Air Impact WrenchVerified Purchase
    One person found this helpful
    Comment Report abuse
    Reviewed in the United States on May 14, 2018
    Style: Twin HammerVerified Purchase
    2 people found this helpful
    Comment Report abuse

    Top international reviews

    Mayelo
    5.0 out of 5 stars Mucha calidad en un producto
    Reviewed in Mexico on February 1, 2020
    Style: Twin HammerVerified Purchase
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    Gary Klassen
    5.0 out of 5 stars Shop tool.
    Reviewed in Canada on December 5, 2019
    Style: Twin HammerVerified Purchase
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