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PROSHI 1/4-Inch Angle Air Die Grinder, Mini Air Angle Die Grinder, pneumatic angle die grinder, 90 Degree Angled Air Die Grinder, Edge Series Air Angle Die Grinder, Polished color

4.4 4.4 out of 5 stars 566 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Power Die Grinders by PROSHI
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Purchase options and add-ons

  • The 90-degree head allows flexibility in many applications, for reaching tight or angled grinding.
  • Variable-speed throttle ramps up to maximum RPM, Built-in air regulator for precise speed control.
  • Lightweight aluminum body, Rear exhaust, Durable ball-bearing motor.
  • Sealed ball bearing design keeps out contaminants promoting smooth operation.
  • Suitable for precision machining, smoothing, chamfering, deburring, grinding, polishing, engraving.
› See more product details

Customer ratings by feature

Longevity
4.6 4.6
Easy to use
4.6 4.6
Durability
4.4 4.4
Value for money
4.4 4.4
See all reviews
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Product Description

1/4-inches angle air die grinder feature:

  • The 90-degree head allows flexibility in many applications, for reaching tight or angled grinding.
  • Variable-speed throttle ramps up to maximum RPM, built-in air regulator for precise speed control.
  • Lightweight aluminum body, rear exhaust, durable ball-bearing motor.
  • The sealed ball-bearing design keeps out contaminants promoting smooth operation.
  • Suitable for precision machining, smoothing, chamfering, deburring, grinding, polishing, engraving.
  • Stepless speed control knob switch: according to different purposes, choose different speeds to meet different needs
  • Air inlet and exhaust port: air inlet filter design, effectively filter air impurities, humanized annular exhaust design.
  • Industrial grade 1/4" collet: high concentricity, small yaw, low vibration, high wear resistance, no heat, stable operation.
  • Plate-type start-stop switch: safe pressure plate type start-stop switch, more reliable and more reliable.
  • 1/4" (6.35mm) high-precision collet: high-temperature carburizing, adapt to greater impact strength, precision CNC lathe processing, not easy to deform, bolt. specifications: M6

1/4-inches angle air die grinder technical specifications:

  • Collet size 1/4" (6.35mm).
  • No-load speed: 20000 RPM.
  • Air consumption: 2.8 CFM, 80L/min.
  • Pressure: 90 Psi.
  • Power: 0.6HP.
  • Air inlet specification: Air Inlet: 1/4" (American standard connector).
  • Product net weight: 0.49Kg.

What's in the Box:

  • PROSHI 1/4-inches angle air die grinder 1 pcs.
  • Wrench 2 pcs.
  • Backup 1/8" (3.18mm) collet 1 pcs.
  • Instruction Manual 1 pcs.
  • American standard 1/4 NPT quick connector 1 pcs.

Different angle views for 1/4-inches angle air die grinder

1/4-Inch Angle Air Die Grinder

Mini Air Angle Die Grinder

pneumatic angle die grinder

90 Degree Angled Air Die Grinder

1/4-inches angle air die grinder full set of accessories

1 pcs collet size 1/4" (6.35mm) already installed in angle air die grinder. in the box include 1 pcs 1/4" NPT American standard quick connector and 2 pcs wrench. and 1 pcs added 1/8"(3.18mm) collet.

1/4-inches angle air die grinder side view

Industrial grade 1/4 inch collet, high concentricity, small swing, low vibration, high wear resistance, balanced operation.

1/4-inches angle air die grinder rear view

Stepless speed control knob switch, according to different purposes, choose different speed. The platen type starts and stop switch is safer and more reliable.

1/4-inches angle air die grinder oblique view

The 90-degree head allows flexibility in many applications, for reaching tight or angled grinding.

More views for 1/4-inches angle air die grinder

Edge Series Air Angle Die Grinder

Air Die Grinder

Air Angle Die Grinder

1/4-inches angle air die grinder dimensional measurement

1/4-inches angle air die grinder only 157 mm in length, 78 mm wide, handle diameter 33 mm, lightweight, more suitable for long hours of work.

1/4-inches angle air die grinder air inlet view

The air inlet has a filter to prevent foreign matter from entering, and the air inlet is also a pneumatic oil filler port.

Collet or grinding head installing

Show how to install collet or grinding head for 1/4-inches angle air die grinder, the wrench is included in the sales package and the grinding head is not included.

1/4-INCHES ANGLE AIR DIE GRINDER

Instruction manual for 1/4-inches angle air die grinder

  • Please check off all tightening parts of the tools to be in good condition before operation.
  • Working pressure to be 6.3 kg/cm3 (90PSI) at operation.
  • Please refer to Figure 1 for the tool installation. To install a filter and a lubricator/oiler at an air outlet
  • Release the air supply when replacing Grinding head.
  • Wear protection glasses, eye protector, dust mask and gloves at operation.
  • Have a short break in every 30minutes to avoid any possible injury due to tiredness.
  • Do not have free rotating at high speed to avoid possible injury to the human body and possible tool damage.
  • Do not touch the rotating part of the tool with your hand or your body at operation.

1/4-Inches Angle Air Die Grinder

Routine maintenance for 1/4-inches angle air die grinder

  • Stop your ob when finding any irregular sound or vibration at operation and then check and repair the tool.
  • Because you are using clean compressed air at operation. Use an air filter at the air installation to clean the dust out of the compressed air.
  • Drop some Oil to the inlet of the tool and then run the tool slowly for a minute and finally start your work...Auto Lubricator/oiler is recommended.
  • Any dirt dust inside the motor may result in slow rotation even block running, at this time, try to drop some oil from the inlet, see whether solve the problem or return to the seller for maintenance.
  • Do release the water out of the air compressor and air hose after an operation.
  • Maintain tools with care. Keep tools clean for better and safe performance, follow instructions for lubricating. Inspect tools cords and air hoses periodically, if damaged, have them repaired by an authorized technician.

Angle Air Die Grinder

1/4-inches angle air die grinder application

Suitable for precision machining, smoothing, chamfering, deburring, grinding, polishing, engraving.

Product information

Technical Details

Additional Information

Warranty & Support

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

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PROSHI 1/4-Inch Angle Air Die Grinder, Mini Air Angle Die Grinder, pneumatic angle die grinder, 90 Degree Angled Air Die Grinder, Edge Series Air Angle Die Grinder, Polished color

PROSHI 1/4-Inch Angle Air Die Grinder, Mini Air Angle Die Grinder, pneumatic angle die grinder, 90 Degree Angled Air Die Grinder, Edge Series Air Angle Die Grinder, Polished color

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Customer reviews

4.4 out of 5 stars
4.4 out of 5
566 global ratings

Customers say

Customers like the performance, value, sturdiness, quality and ease of use of the angle grinder. They mention that it works well in low RPM applications, is inexpensive and a good product for the price. They appreciate the basic safety feature and the fact that it saves time. Customers are also happy with size.

AI-generated from the text of customer reviews

30 customers mention27 positive3 negative

Customers are satisfied with the performance of the tool. They mention that it works well in low RPM applications, is easy to use, and is great for garage repair needs. Some say that the tool is loud, but it gets the job done. Overall, most are happy with the tool's performance and recommend it to others.

"This is a great die grinder. Moderate air consumption. Powerful enough. Works and works and works some more.does what it's meant to." Read more

"Seems well made and it so far has worked well for my garage repair needs" Read more

"Bought this to replace one I have had for 20 years or so. It was working well however the collet was showing signs of wear...." Read more

"...to do too much at once and should spit their gum out . This tool works fine and the basic safety feature is easy to use and does not hamper..." Read more

25 customers mention25 positive0 negative

Customers appreciate the value of the angle grinder. They say it's a good product for the price, and the best quality for the money. Some customers have had doubts about the quality of the product, as it'll be cheap.

"...This die grinder was cheap in price , and has proved to be just as good as the more expensive ones.. You really can’t tell the differance in..." Read more

"...This had given me doubts because it was cheap. I was so wrong, it sanded wood down like it was nothing...." Read more

"...No complaints. For the money, very good deal." Read more

"Great price" Read more

14 customers mention11 positive3 negative

Customers like the sturdiness of the tools. They say it's well built, reliable, and works well.

"Seems well made and it so far has worked well for my garage repair needs" Read more

"I haven't used it yet but it appears to be built well and it has plenty of RPM. I oiled it and hooked it to the hose just to try it out...." Read more

"Strong and sturdy. Reliable. Have had for a couple minths now." Read more

"...It was working well however the collet was showing signs of wear...." Read more

8 customers mention8 positive0 negative

Customers are satisfied with the quality of the die grinder. They mention that it is an excellent tool, a nice little grinder, and a great die grinder with moderate air consumption.

"This is a great die grinder. Moderate air consumption. Powerful enough. Works and works and works some more.does what it's meant to." Read more

"Nice little grinder. Compact size is perfect. The throttle button at first seemed a bit stiff to depress but it works fine...." Read more

"great and inexpensive!!" Read more

"Cheap and great I use it everyday at work" Read more

6 customers mention6 positive0 negative

Customers find the tool easy to use and powerful. They also say it's trouble-free and saves a lot of time. Customers also appreciate the basic safety feature, saying it does not hamper rapid operation.

"...their gum out . This tool works fine and the basic safety feature is easy to use and does not hamper rapid front line action." Read more

"...Saves alot of time. No more fussing around just to change pads." Read more

"This die grinder performs as expected, and has been trouble free so far. Seems stout enough for professional use." Read more

"As described. Easy to use for a novice like myself!" Read more

6 customers mention6 positive0 negative

Customers are satisfied with the size of the tool. They mention that it fits in their hand perfectly, works well, and is a nice bonus.

"...I will see how it does on metal. It's perfect size, it fits in my hand perfectly and extremely comfortable...." Read more

"I really like the size, the design and engineering in action." Read more

"Nice little grinder. Compact size is perfect. The throttle button at first seemed a bit stiff to depress but it works fine...." Read more

"Liked the compactness of the tool.Use it to clean up sheet metal." Read more

6 customers mention0 positive6 negative

Customers are dissatisfied with the spindle retainer. They mention that it has very little torque, the head comes loose at higher speeds, and the bit doesn't spin like it should. The gears are not catching, and it has no power to grind.

"In the first three minutes of use the spindle retainer came loose and the die grinder locked up...." Read more

"I am not happy with item. It has no power try to grind with it and it stops. I want to return but I lost packaging. lucky for buyer." Read more

"...Bad: It has too much turn speed for things like headlights." Read more

"...Works well in low RPM applications, but at higher speeds the head comes loose and attachment flies off...." Read more

Nice compact grinder
5 Stars
Nice compact grinder
Nice little grinder. Compact size is perfect. The throttle button at first seemed a bit stiff to depress but it works fine. Variable speed is nice and smooth. So far very happy with it.
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Top reviews from the United States

Patrick
5.0 out of 5 stars Proshi
Reviewed in the United States on March 6, 2023
Verified Purchase
This is a great die grinder. Moderate air consumption. Powerful enough. Works and works and works some more.does what it's meant to.
One person found this helpful
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N.C. Gardener
5.0 out of 5 stars Price
Reviewed in the United States on February 23, 2024
Verified Purchase
As an auto tech I have and dozens of these over the years that have either broke the collet shaft or just plane wore out. This die grinder was cheap in price , and has proved to be just as good as the more expensive ones.. You really can’t tell the differance in performance.another plus is it comes with an 1/8 inch collet and a 1/4 inch collet that makes it more versatile. I wouldn’t waste my money on high dollar die grinder when this will do the same job.
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ITC
4.0 out of 5 stars Works well for my needs
Reviewed in the United States on April 15, 2022
Verified Purchase
Seems well made and it so far has worked well for my garage repair needs
One person found this helpful
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JimS
5.0 out of 5 stars Loving it.
Reviewed in the United States on March 31, 2024
Verified Purchase
For whatever reason, a pneumatic die grinder was never one of the family tools growing up. If you are like me, fix that now! With the scotch brite like abrasive disks this eats paint and smooths metal.

It uses a *lot^ of air. But with my 5 gallon tank I can do a little work then wait for the recharge. Almost everything you do will be tiny jobs that don’t exhaust the tank.
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Tony Wall
5.0 out of 5 stars Seems nice
Reviewed in the United States on January 27, 2024
Verified Purchase
I haven't used it yet but it appears to be built well and it has plenty of RPM. I oiled it and hooked it to the hose just to try it out. I don't see having any issues with it as long as I keep the inlet pressure at 90 psi or below. 135 psi blew my last one up. Oops.
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Tim Chen
5.0 out of 5 stars I don't regret buying
Reviewed in the United States on September 2, 2023
Verified Purchase
I received today and had to try it right away. This had given me doubts because it was cheap. I was so wrong, it sanded wood down like it was nothing. I bought because I need to sharpen my mower blades. I will see how it does on metal. It's perfect size, it fits in my hand perfectly and extremely comfortable. Power depends on ur compressor I only have a 7 gallon tank so I need to use cautiously. Man it's a little getting use to because it's extremely light in hands. I would need more practice to put the right pressure to make work good. It's an awesome tool and I would recommend to anyone.
One person found this helpful
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Edward J. Tice
3.0 out of 5 stars A valued repeat customer speaks
Reviewed in the United States on June 29, 2022
Verified Purchase
I really like the size, the design and engineering in action.
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Rusted Nut Garage
5.0 out of 5 stars Works well.
Reviewed in the United States on September 6, 2020
Verified Purchase
Bought this to replace one I have had for 20 years or so. It was working well however the collet was showing signs of wear. Imagine my surprise when this unit arrived and was strikingly identical to my old one. In fact the only difference between the two was that the new one has a safety built into the handle. This does take a lot of air to properly operate but with a good quality carbide burr it will do an amazing job of removing metal. Great for those welds that look a bit rough! It comes with another collet insert that will Accept 1/8 inch bits.
3 people found this helpful
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Top reviews from other countries

Stefan M
5.0 out of 5 stars Perfect for quick touch-ups.
Reviewed in Canada on May 20, 2023
Verified Purchase
Well worth getting. Only minor gripe is the wrenches being stamped steel are a little soft and will not last long. Luckily I have it set up with a Velcro pad mandrel so it will not be changed out often so ….. I can live with this.
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Riley Garrett
1.0 out of 5 stars Broken shaft
Reviewed in Canada on April 17, 2023
Verified Purchase
Shaft broke after maybe 6-8 hrs of use, my return window has closed. Worked good until becoming completely useless, id like a refund
Customer image
Riley Garrett
1.0 out of 5 stars Broken shaft
Reviewed in Canada on April 17, 2023
Shaft broke after maybe 6-8 hrs of use, my return window has closed. Worked good until becoming completely useless, id like a refund
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Mason Tebb
1.0 out of 5 stars Low quality
Reviewed in Canada on January 19, 2023
Verified Purchase
Stopped working after one day of use.
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