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Astro Pneumatic Tool 1221 Composite Body 1/4" 90° Die Grinder, Mini Die Grinder AND 8pc. Double Cut Carbide Rotary Burr Set

4.7 4.7 out of 5 stars 290 ratings
$89.99
FREE Returns
Available at a lower price from other sellers that may not offer free Prime shipping.
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Purchase options and add-ons

Brand Astro Pneumatic Tool
Power Source pneumatic-powered
Color Standard
Included Components Composite Body 1/4" 90° Die Grinder, Mini Die Grinder AND 8pc. Double Cut Carbide Rotary Burr Set See more
Item Weight 0.1 Pounds

About this item

  • Package Weight: 1.204 kilograms
  • Included components: bare-tool; attachments
  • Package Dimensions : 3.9 L x 29.5 H x 17.5 W (centimeters)
  • Made in Taiwan
› See more product details
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Astro Pneumatic Tool 1221 Composite Body 1/4" 90° Die Grinder, Mini Die Grinder AND 8pc. Double Cut Carbide Rotary Burr Set
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Top Brand: Astro Pneumatic Tool

Highly Rated
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Product Description

With over 40 years of importing product into the U.S. Automotive Aftermarket, Astro Pneumatic Tool Co. offers several product categories for one-stop shopping. Our products under our own brand name “ASTRO” include the popular tool and equipment classics, as well as innovative new items.

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Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Astro Pneumatic Tool 1221 Composite Body 1/4" 90° Die Grinder, Mini Die Grinder AND 8pc. Double Cut Carbide Rotary Burr Set

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What's in the box

  • Composite Body 1/4" 90° Die Grinder, Mini Die Grinder AND 8pc. Double Cut Carbide Rotary Burr Set

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    Price$89.99$85.87-6% $79.99
    List: $84.99    		$96.97$60.04$34.97
    Delivery
    Get it as soon as Monday, May 13
    Get it as soon as Monday, May 13
    Get it as soon as Monday, May 13
    Get it May 10 - 15
    Get it as soon as Monday, May 13
    Get it as soon as Monday, May 13
    Customer Ratings
    4.74.7 out of 5 stars290
    4.64.6 out of 5 stars191
    4.64.6 out of 5 stars3,589
    4.54.5 out of 5 stars56
    4.74.7 out of 5 stars19
    4.74.7 out of 5 stars8
    Value for money
    4.8
    4.6
    4.0
    —
    —
    —
    Easy to use
    4.7
    4.8
    4.2
    —
    —
    —
    Light weight
    4.7
    4.4
    4.3
    —
    —
    —
    Sold By
    JBTools
    WORKPAD
    Amazon.com
    National Tool Warehouse
    Amazon.com
    Amazon.com
    power source
    pneumatic-powered
    —
    pneumatic-powered
    —
    pneumatic-powered
    pneumatic-powered
    max rotational speed
    —
    25000 rpm
    20000 rpm
    —
    10000 rpm
    25000 rpm
    minimum speed
    —
    25000 rpm
    20000 rpm
    —
    —
    25000 rpm
    style
    2000
    12PCS Air Die Grinder Set
    Right Angle
    Mini
    Compact
    Pencil
    included components
    Composite Body 1/4" 90° Die Grinder, Mini Die Grinder AND 8pc. Double Cut Carbide Rotary Burr Set
    —
    Ingersoll-Rand GRINDER AIR ANGLE 1/4 IN 1/3HP 3101G
    —
    1 Astro Pneumatic Tool Branded Product
    bare-tool

    Looking for specific info?

    Customer reviews

    4.7 out of 5 stars
    4.7 out of 5
    290 global ratings

    Customers say

    Customers like the quality, size and value of the rotary tool set. For example, they mention it's a great investment, works well and has plenty of power. That said, some disagree on durability.

    AI-generated from the text of customer reviews

    20 customers mention17 positive3 negative

    Customers like the quality of the rotary tool. They say it's an excellent product, good quality, and a great set. Some say it works as described and is a good tool for any mechanic or DIYer. They also say it is indispensable for sheet metal work.

    "...The grip and quality of the tool is alsovery nice. I feel this is an excellent value. I recommend it to other buyers." Read more

    "...Good tool for any mechanic or diyer" Read more

    "Great little grinder set! Fits nice in the hand, agile. Seems like good power for a 1/4 horse grinder...." Read more

    "...However the burr isn’t junk and I’m impressed that it didn’t degrade as badly as I would’ve guessed.I would at this point buy these again." Read more

    19 customers mention19 positive0 negative

    Customers appreciate the value of the rotary tool. They say it's a great investment, very reliable, and a killer deal.

    "...I would 100% recommend these. Well worth the money" Read more

    "...very nice. I feel this is an excellent value. I recommend it to other buyers." Read more

    "Small for tight spots, lightweight, low CFM usage. All around good value." Read more

    "...The burr set holds up pretty well.This set is a great value." Read more

    12 customers mention12 positive0 negative

    Customers are satisfied with the performance of the rotary tool. They mention that it works well, is light, and easy to handle. Some say that the die grinders are value for money and are extremely useful.

    "...I had to grind something and was pleasantly surprised at how well it worked...." Read more

    "...used it to remove a rusted bushing from a car and it performed exceptionally well...." Read more

    "...I have used this tool and have found it extremely useful. Cutting U-bolts in some tight quarters. Love it, I have completed 40 Gillig buses already...." Read more

    "...I like the small size to access narrow spaces and the performance was excellent...." Read more

    9 customers mention9 positive0 negative

    Customers are satisfied with the size of the rotary tool. They mention that it is small and handy to get in tight places, with a built-in regulator. Some say that the tools are durable and have all sorts of sizes.

    "...I was impressed as the small size and the high quality of the tools to remove metal from thebushing housing...." Read more

    "...Carbide bits my set came with are durable and have all sorts of sizes. Good tool for any mechanic or diyer" Read more

    "Great little grinder set! Fits nice in the hand, agile. Seems like good power for a 1/4 horse grinder...." Read more

    "Small for tight spots, lightweight, low CFM usage. All around good value." Read more

    6 customers mention6 positive0 negative

    Customers like the speed of the rotary tool. They mention that it has a nice trigger release and variable speed, it's fast, and easy to control speed by the lever. Some say that it'll fit in tight spots and that the trigger allows for speed adjustment pretty easily. Overall, most are satisfied with the speed and quality of the tool.

    "...They are both very smooth and easily able to control speed by the lever...." Read more

    "...Maybe he mistakenly threw them out. These little die gringers ran smooth and were easy to manipulate. I'm very satisfied with my purchase...." Read more

    "...it easy to move around in tight spots and the trigger allows for speed adjustment pretty easily...." Read more

    "The die grinders have a very nice trigger release and variable speed. The burr set holds up pretty well.This set is a great value." Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the power of the rotary tool. They mention that the composite bodies and good power make these a great investment. Some say that the die grinders have plenty of power and that it takes a bit of force to stop it from spinning.

    "Die grinders have plenty of power, takes a bit of force to stop it from spinning. Having both the 90 degree and straight grinder is nice too...." Read more

    "Great little grinder set! Fits nice in the hand, agile. Seems like good power for a 1/4 horse grinder...." Read more

    "Light weight and powerful. I'm a Ag mechanic and use them frequently with not one issue yet. Very satisfied!" Read more

    "Composite bodies and good power make these a great investment. Lightweight and comes with free rasps!" Read more

    5 customers mention5 positive0 negative

    Customers are satisfied with the weight of the rotary tool. They mention that it is very light and feels good in hand.

    "...They are quiet especially compared to my old harbor freight. Very light and feels good in hand. I have medium hands and they feel good...." Read more

    "Small for tight spots, lightweight, low CFM usage. All around good value." Read more

    "Light weight and powerful. I'm a Ag mechanic and use them frequently with not one issue yet. Very satisfied!" Read more

    "Both die grinders work very well and are light and easy to hold. I have not used the burrs yet, but they look good...." Read more

    5 customers mention3 positive2 negative

    Customers are mixed about the durability of the rotary tool. Some mention the bits are durable and do not break any teeth, while others say the cases on the top both break off when applying pleasure.

    "...The burrs ground down corner welds with no effort and did not break any teeth...." Read more

    "...But, the straight grinder front air cover came broken in the package. Doesn't seem to affect operation however." Read more

    "...Carbide bits my set came with are durable and have all sorts of sizes. Good tool for any mechanic or diyer" Read more

    "If you're a welder or work with metal don't get these. They both broke in 48 hours. The casing on the top both break off when applying pleasure...." Read more

    Great set
    5 Stars
    Great set
    Ive only been using these afew days but so far they are great. I use them for metal work. They are quiet especially compared to my old harbor freight. Very light and feels good in hand. I have medium hands and they feel good. The burrs ground down corner welds with no effort and did not break any teeth. They are both very smooth and easily able to control speed by the lever. I wouldnt say the burrs are high quality but they are good more than enough for me and i beat my tools up. The only 2 cons so far and they are just minor things. 1st is that the “composite” is hard plastic. I dont know how tough they are against a fall yet. I prefer a metal casing but this way probably makes it more affordable and im fine with that. The 2nd this is that the color is ugly. its not a shiny light blue like in the picture. Its more of a dull dark blue which makes it look cheap. I would 100% recommend these. Well worth the money
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    Top reviews from the United States

    RC
    5.0 out of 5 stars Great set
    Reviewed in the United States on November 21, 2020
    Verified Purchase
    Ive only been using these afew days but so far they are great. I use them for metal work. They are quiet especially compared to my old harbor freight. Very light and feels good in hand. I have medium hands and they feel good. The burrs ground down corner welds with no effort and did not break any teeth. They are both very smooth and easily able to control speed by the lever. I wouldnt say the burrs are high quality but they are good more than enough for me and i beat my tools up. The only 2 cons so far and they are just minor things. 1st is that the “composite” is hard plastic. I dont know how tough they are against a fall yet. I prefer a metal casing but this way probably makes it more affordable and im fine with that. The 2nd this is that the color is ugly. its not a shiny light blue like in the picture. Its more of a dull dark blue which makes it look cheap. I would 100% recommend these. Well worth the money
    Customer image
    RC
    5.0 out of 5 stars Great set
    Reviewed in the United States on November 21, 2020
    Ive only been using these afew days but so far they are great. I use them for metal work. They are quiet especially compared to my old harbor freight. Very light and feels good in hand. I have medium hands and they feel good. The burrs ground down corner welds with no effort and did not break any teeth. They are both very smooth and easily able to control speed by the lever. I wouldnt say the burrs are high quality but they are good more than enough for me and i beat my tools up. The only 2 cons so far and they are just minor things. 1st is that the “composite” is hard plastic. I dont know how tough they are against a fall yet. I prefer a metal casing but this way probably makes it more affordable and im fine with that. The 2nd this is that the color is ugly. its not a shiny light blue like in the picture. Its more of a dull dark blue which makes it look cheap. I would 100% recommend these. Well worth the money
    Images in this review
    Customer image
    Customer image
    10 people found this helpful
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    D. J. 3100
    5.0 out of 5 stars Good quality at a reasonable price
    Reviewed in the United States on January 27, 2022
    Verified Purchase
    I was concerned about the composite housings, but decided to try them anyway. It turns out the composite housings don't have any negatives. They do not get as cold as my metal ones. I have some Ingersol Rands, Cambells, and a couple other brands. These are as good as any of them and better than some. I was not expecting much from the carbide bits, I was just buying the die grinders, the bits were "free". The bits cut really well (maybe my old ones are dull).
    Helpful
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    softailguy
    5.0 out of 5 stars Worked great. Feel nice in the hand.
    Reviewed in the United States on October 22, 2021
    Verified Purchase
    I'm a professional mechanic and usually stick with known quality brands like Ingersoll Rand for pneumatic tools. Saw this set and for the price I was skeptical. I read the reviews and they seemed favorable so I decided to try them. I got them today...instlled air fittings on them and lubricated them with air tool oil. I had to grind something and was pleasantly surprised at how well it worked. Saw one review that said "it would have been nice if they included flat wrenches to change burrs"....don't know about that because mine came with 2 flat wrenches. Maybe he mistakenly threw them out. These little die gringers ran smooth and were easy to manipulate. I'm very satisfied with my purchase. Time will tell if they'll hold up but if you lubricate them before each use I don't see why they wouldn't give years of reliable service.
    6 people found this helpful
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    Cole Krejci
    4.0 out of 5 stars Color quality
    Reviewed in the United States on April 23, 2024
    Verified Purchase
    It is not the exact bright light blue as advertised and is more of a dark blue
    Helpful
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    James
    5.0 out of 5 stars A valuable Tool
    Reviewed in the United States on April 10, 2014
    Verified Purchase
    When the tool arrived I immediatly used it to remove a rusted bushing from a car and it performed exceptionally well.
    I was impressed as the small size and the high quality of the tools to remove metal from the
    bushing housing. This tool has proven to be a time and work saver. It has a safety feature on the handle that takes
    some getting used to but it may prevent injury from the tool activating by accident. The safety feature is another indicator of
    quality, some of the air tools don't have this feature and will activate when bumped. The grip and quality of the tool is also
    very nice. I feel this is an excellent value. I recommend it to other buyers.
    10 people found this helpful
    Helpful
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    Blade
    5.0 out of 5 stars Great value die grinders, with great performance
    Reviewed in the United States on June 25, 2019
    Verified Purchase
    Die grinders have plenty of power, takes a bit of force to stop it from spinning. Having both the 90 degree and straight grinder is nice too. Carbide bits my set came with are durable and have all sorts of sizes. Good tool for any mechanic or diyer
    2 people found this helpful
    Helpful
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    Amazon Customer
    5.0 out of 5 stars Would buy again
    Reviewed in the United States on May 13, 2023
    Verified Purchase
    They are fairly quiet compared to some other brands not as quiet as some of the top brands like Sioux but it’s close. They fit in my hand nicely making it easy to move around in tight spots and the trigger allows for speed adjustment pretty easily. I’ve never had an issue with them bogging down while sanding with them on aluminum not sure how they will do with harder metals. I imagine they would do fine.
    Helpful
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    robert
    5.0 out of 5 stars Great grinder set! Good value.
    Reviewed in the United States on December 24, 2019
    Verified Purchase
    Great little grinder set! Fits nice in the hand, agile. Seems like good power for a 1/4 horse grinder. More power than a name brand 1/4 horse that a coworker has. Another coworker has the same right angle grinder that is several years old and still going strong. This is my go too grinder for body work.
    One person found this helpful
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    Top reviews from other countries

    Translate all reviews to English
    Beauchemin
    5.0 out of 5 stars Outils
    Reviewed in Canada on February 12, 2021
    Verified Purchase
    Très bon rapport qualité/prix.
    L'outil fonctionne très bien et est conforme à mes besoins de bricoleur.
    One person found this helpful
     Report
    Amazon Customer
    5.0 out of 5 stars works great
    Reviewed in Canada on August 1, 2018
    Verified Purchase
    works great very happy
    2 people found this helpful
     Report
    Omar
    1.0 out of 5 stars Bits work. Tools don't.
    Reviewed in Canada on October 31, 2021
    Verified Purchase
    Straight air tool missing piece to seal it from spewing oil all over workpiece. Unusable in bodyshop.
    For some reason 90° tool also spits all the oil out then keeps getting seized. The only AP tools I've had issues with.
    All the bits work fine.
    Report