Manufacturer | Astro Pneumatic |
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Part Number | APT-2181 |
Item Weight | 8.8 ounces |
Product Dimensions | 4.5 x 5.7 x 1.4 inches |
Item model number | 2181 |
Is Discontinued By Manufacturer | No |
Style | Standard length |
Material | Metal |
Item Package Quantity | 1 |
Measurement System | Imperial |
Included Components | case |
Batteries Included? | No |
Batteries Required? | No |
Other Sellers on Amazon
92% positive over last 12 months
Astro Pneumatic Tool 2181 8-Piece Double Cut Carbide Rotary Burr Set 1/4" Shank in Blow Molded Case
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Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
- The original trusted source for the industry’s best selling carbide burrs that last
- Perfect for opening holes, or porting heads on ferrous materials
- Sintered and machined from 100% new raw tungsten carbide
- Unique tooth angle prevents chipping for the longest lasting design possible
Customers usually keep this item
This product has fewer returns than average compared to similar products.
Frequently bought together
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This Item Astro Pneumatic Tool 2181 8-Piece Double Cut Carbide Rotary Burr Set 1/4" Shank in Blow Molded Case | Recommendations | dummy | dummy | dummy | dummy | |
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Price | -9% $52.99$52.99 Typical: $58.15 | $35.99$35.99 | $35.95$35.95 | $65.99$65.99 | $65.99$65.99 | $18.99$18.99 |
Delivery | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 |
Customer Ratings | ||||||
Value for money | 4.7 | 4.6 | 4.8 | 4.9 | — | — |
Durability | 4.6 | 4.4 | 4.5 | 4.8 | — | — |
Longevity | — | 4.4 | 4.6 | 4.8 | — | — |
Sold By | USSKEPPER | OA-BRES | JEEKVISEN | BOOLY M 27 | Asieg Tool | Golden Coulee, LLC |
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From the manufacturer
See The Difference Of Imitation Vs. Professional Carbide Burrs
When looking for a set of carbide burrs, you met with more options and price points today than ever. However, there is no cheap way to sinter, forge, machine and precision grind 100% raw virgin tungsten carbide burrs and shanks. When used as intended, professional carbide burrs can last a lifetime - see the difference.
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Double Cut Design For Steel, Stainless, Iron & MoreFrom soft mild steel to extra hard stainless welds and cast iron, the Astro 2181's tugsten carbide is designed to grind through it all. |
Popular For Performance GainsIncrease the CFM & flow of iron cylinder heads, manifolds and more to unlock the breathing potential of your engine. |
Chip Resistant Tooth DesignAstro uses a unique tooth angle and design that helps to avoid chipping, the cause of failure on extremely high hardness tungsten carbide. |
2181 Carbide Burr Set | 2185 Long Carbide Burr Set | 2186 Carbide Burr Set | 2187 Long Carbide Burr Set | |
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Customer Reviews |
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4.2 out of 5 stars
6
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Ferrous Materials (Steel, Stainless, Iron) | ✓ | ✓ | ||
Non-Ferrous (Aluminum, Brass, Plastic) | ✓ | ✓ | ||
Length | Standard | Long (4.5") | Standard | Long (4.5") |
Number Of Pieces | 8 | 5 | 4 | 4 |
100% Virgin Tungsten Carbide | ✓ | ✓ | ✓ | ✓ |
1 Year Warranty | ✓ | ✓ | ✓ | ✓ |
Cut Style | Double | Double | Single | Single |
Shank Size | 1/4" | 1/4" | 1/4" | 1/4" |
Looking for specific info?
Product information
Technical Details
Additional Information
ASIN | B00061SFKK |
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Customer Reviews |
4.7 out of 5 stars |
Best Sellers Rank | #47,843 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #117 in Cutting Burrs |
Date First Available | September 29, 2004 |
Warranty & Support
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Product Description
Product Description
The Astro Pneumatic 2181 Double Cut Carbide Rotary Burr Set with 1/4-Inch Shank is used for metal working in mold and pattern making, die sinking, surface cleaning and maintenance. Set includes SA, SC, SD and SF type burrs. Wide range of uses includes body shops, fabrication shops, brake shops, industrial shops, die manufacturers, etc.
From the Manufacturer
The Astro Pneumatic 2181 Double Cut Carbide Rotary Burr Set with 1/4-Inch Shank is used for metal working in mold and pattern making, die sinking, surface cleaning and maintenance. Set includes SA, SC, SD and SF type burrs. Wide range of uses includes body shops, fabrication shops, brake shops, industrial shops, die manufacturers, etc.
Important information
This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the quality, performance, value, sharpness and appearance of the tools. For example, they mention that the metal is very high quality, they work very well and that the gray plastic case they come in works nice. That said, they recommend the product for its great price and that it cuts well.
AI-generated from the text of customer reviews
Customers like the quality of the carbide burrs. They say the metal is very high quality, it holds up on cast iron excellently, and has lasted through several uses. Some customers also mention that the carbides show no indications of wear and are very good.
"So far they've lasted through several uses, they cut way faster than the plain steel ones found at most cheap hardware stores...." Read more
"...Even after continuous use the bits look brand new and show no signs of wear...." Read more
"...I just got another two for my employees . This grinders are very durable and strong , i use them hundreds times already and don’t see any..." Read more
"Average cheap quality to get you by. They dulled and chipped sooner than expected but worked great before that...." Read more
Customers are satisfied with the performance of the tools. They mention that they work well, are sharp, and have no problems. Some say that the variety of shapes and sizes in the set is useful. Overall, customers are happy with their purchase and recommend it to others.
"Great value and works amazingly well.. Very sharp and doesn't seem to dull even when grinding weld.. Recommended!!" Read more
"...These aren't the best burrs in the world but they work well...." Read more
"...Wow You really cant tell any difference. They work very very well. they cut nice and clean. and look to be holding up great...." Read more
"...I was actually very surprised at how well they worked...." Read more
Customers appreciate the value of the tools. They say it's a great product at a good price, with good quality bits. Some customers also mention that the bits do well given their cost. Overall, customers are happy with their purchase and recommend it to others.
"Great value and works amazingly well.. Very sharp and doesn't seem to dull even when grinding weld.. Recommended!!" Read more
"...Let me tell you something this set is priceless !..." Read more
"...All in all, a great product at a great price. Should last for years." Read more
"Seems to be good value for the price. I have other Astro Pneumatic tools and have no complaints...." Read more
Customers are satisfied with the sharpness of the tools. For example, they mention that it cuts very nice, stays sharp when cutting steel, and performs as advertised. The burrs cut well and perform as advertised, and they cut through metal like butter. Overall, most are happy with the quality and performance of the product.
"So far they've lasted through several uses, they cut way faster than the plain steel ones found at most cheap hardware stores...." Read more
"Only had to use this set a few times but they cut very nicely" Read more
"...I'd like and will chip if you're not careful but they're sharp and cut quickly. I used them mostly on mild steel, cast iron and weld deposit...." Read more
"Well balanced, cuts effortlessly in steel, iron and most other metals. Yes, even aluminum...." Read more
Customers are satisfied with the appearance of the tools. They mention that it looks good, works well, and doesn't dull at all. The tool comes in a gray plastic case. Some customers have not yet used the tool, but the quality looks decent.
"Great value and works amazingly well.. Very sharp and doesn't seem to dull even when grinding weld.. Recommended!!" Read more
"...They cut through metal like butter and they do not dull very easily. I will buy them anytime I need them." Read more
"...comes in a very nice gray plastic case." Read more
"Have not had a chance to use them yet, but the quality looks descent." Read more
Customers are satisfied with the shape of the tools. They mention that it has a good assortment of shapes and profiles, and a diverse selection of cutters. They also appreciate the variety of burrs and sizes in the set. Overall, customers are happy with the variety and functionality of the set, which provides them with various options when working on different projects.
"...bit enabled me to do looks like it was a factory hole, perfectly symmetrical and round...." Read more
"...The set has a good assortment of shapes and profiles. I would buy them again and probably will. I recommend them highly" Read more
"...Other than not having a very long shank they are great, very diverse selection of cutters for tight corners, wide spaces or whatever...." Read more
"Came in a nice sturdy box, love the variety of burrs, the one thing is I used a burr from a co-worker and it cut a lot better than these, they..." Read more
Customers are dissatisfied with the durability of the rotary burrs. They mention that it does not hold up to long, the teeth break off easily, and the rotor burr is worn down.
"Average cheap quality to get you by. They dulled and chipped sooner than expected but worked great before that...." Read more
"Had several teeth break off as I was using to grind holes larger in some 1/8" steel. Haven't tried to get replacements for them yet...." Read more
"After just one use in my grinder these rotary burrs were already worn down and teeth were breaking off...." Read more
"...they do cut well but don't hold up to long." Read more
Reviews with images
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So I looked here at Amazon for a single bit, one preferably that was equidistant up its length instead of tapered so it wouldn't keep jumping out of the hole possibly marring up the factory impact coating. The ones that were available even though marked have a thicker one was only a 1/4" head. Others as well as that one also were burning up as in low quality carbide. Realizing how convenient these are for doing tasks such as cleaning up welds that are down in the crevice of a 90 degree corner of steel etc., I opted for the whole set. The reviewers were blown away by how much work they had subjected these too and how they were as sharp as the day they bought them. I decided I didn't have time to waste on Mickey Mouse tools so I bought the set. Looking back at it I realize that the complete set provides me with every option. If a hole is too small and I need to widen it, and it is so tiny that even a 1/4" head won't fit in there, I can use the rounded taper bit to get started by just plunging through, and then once the hole is open enough I can use a 1/4" head to widen some, and if I want to shift to a larger even sided bit for the larger work it is all there.
These bits went through this high strength steel like it was shaving wood with a router. (Well almost, it is steel after all :-) But that just shows you how much I am in love with this set. And yes the bit I used still looks like it did when it arrived. More importantly the job that this bit enabled me to do looks like it was a factory hole, perfectly symmetrical and round. I took a larger steel round washer that was the size I wanted the hole to be, centered it over the smaller hole and traced the outline with a black magic marker. Then I gently like doing surgery, moving in arced paths removed the material just up to the line. With only a touch of undercoat along the inner rim this car still looks 100% factory original. There is a feeling you get from doing something well even if only for yourself. Buy this. It is one of those rare things that you not only like, but also deserves to be in the prize tool in my possession category. Up there with Shark Corp 21-2325 Moulding Prybar Sorry for mentioning the pry bar but it is worth mentioning in any context. I gave one to my brother for Christmas, he dismissed it as an inexpensive tool, but later came back with his eyes wide open saying he keeps it in his tool pouch and it is the most often used tool. So get the Astro Pneumatic 2181 carbide kit and the Shark tool you will be twice blessed.
The sheet metal I had to clearance.....
Even after continuous use the bits look brand new and show no signs of wear. My friend is a metal worker and has broken several using a roto-zip, which is borderline dangerous IMO because of the amount of torque applied to the tool when the bit catches. I prefer to use an air die grinder, even if it is louder, as the torque is manageable when the bit catches and doesn't destroy the tool.
This grinders are very durable and strong , i use them hundreds times already and don’t see any signs of wear . A mast set to have !