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Sold by: National Tool Warehouse
Sold by: National Tool Warehouse
(15640 ratings)
92% positive over last 12 months
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Astro Pneumatic Tool 101 Mini Grease Gun

4.6 4.6 out of 5 stars 3,100 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Grease Guns by Astro Pneumatic Tool

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Purchase options and add-ons

  • Mini grease gun with needle nozzle
  • Easily lubricates air tools and other flush type mini grease type fittings
  • Pack bottom side with grease, then re-install base cap and push up against the inside plate with a screwdriver or other tool to feed grease up to nozzle and pressurize
  • Apply additional pressure to inside plate occasionally as needed
  • Holds 3 ounces of lubricant, can be operated with one hand
  • Heavy duty, lightweight and easy to handle
  • Weight 1 lbs
See more product details

Customer ratings by feature

Value for money
4.5 4.5
Easy to use
4.4 4.4
Suction power
4.3 4.3

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From the manufacturer

Simple Fill

1) Remove top nozzle assembly

2) Manually fill and pack cylinder with grease

3) Loosely attached nozzle assembly back to cylinder and use a screwdriver to press into base and force pressure into the cylinder, priming the gun.

4) Tighten the nozzle assembly.

5) Work grease gun trigger while adding pressure at the base until it dispenses grease.

Product information

Technical Details

Additional Information

Warranty & Support

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Astro Pneumatic Tool 101 Mini Grease Gun


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Product Description

Mini grease gun with needle nozzle. Grease gun.

Important information

Legal Disclaimer

This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

Customer reviews

4.6 out of 5 stars
4.6 out of 5
3,100 global ratings

Customers say

Customers like the ease of loading, quality and value of the tools. For example, they mention it's easy to put the grease just where you want it, it makes greasing races and bearings so easy and mess free, and it'll last a long time. That said, some complain about the hole and disagree on grease, and size.

AI-generated from the text of customer reviews

262 customers mention236 positive26 negative

Customers are satisfied with the performance of the grease gun. They mention that it works well for low-pressure application, air tools, and anywhere you need to apply a small amount of precision. Some say that it makes working on bikes so much easier and cleaner.

"...My only regret is that I didn't buy it 20 years earlier. It works well and uses grease very efficiently...." Read more

"Works great, I use Super Lube to fill my IR impact guns and angle grinder" Read more

"works well in in tight places" Read more

"Works good" Read more

168 customers mention158 positive10 negative

Customers are satisfied with the quality of the lube gun. They mention it's well-made, solid, and does the job. Some say it'll be perfect for working on bicycles, and is handy to have around. The needle point allows for very accurate and clean placement of grease.

"...It's simple to load and appears to be well made. If you're doing your own bicycle maintenance, you should own one of these!" Read more

"Filled it with grease and away we go. So handy to have around. Makes grease placement so easy and lets me put it just on the parts I’m greasing...." Read more

"...Note: I'm using Park Tool Polylube 1000 with my grease gun. It is a high-quality, all-weather polyurea grease for bicycle bearings.)..." Read more

"Heavy duty, quality product" Read more

93 customers mention73 positive20 negative

Customers find the grease gun easy to use. They mention that it makes the job so much easier, is simple to load, and is super convenient. Some say that it's easy to add grease and dispense. Overall, most are happy with their purchase and recommend it to others.

"...It works well and uses grease very efficiently. It's simple to load and appears to be well made...." Read more

"...against the palm at the base of my thumb, making it easy to use with my arthritic thumbs...." Read more

"Great product, easy to use and perfect for my project...." Read more

"...The packaging was quite nice, fairly new, and ready to go." Read more

86 customers mention77 positive9 negative

Customers like the value of the tools. They say it's well worth the money, has nice construction, and is a great buy.

"...Works perfectly! Thank you for a great product and excellent transaction." Read more

"...This little grease gun works well and was a good price compared to some others...." Read more

"...Door hinge pins are another great use case for me. For the money well worth it and nice construction. I bought 2 more as gifts too!" Read more

"...It's a great value and seems to be identical to the park tools version that costs much more...." Read more

38 customers mention28 positive10 negative

Customers find the grease gun easy to load with grease and put just where they want it. They say it's inexpensive and a great way to grease small mechanisms. Customers also say it makes greasing races and bearings easy and mess free.

"...So handy to have around. Makes grease placement so easy and lets me put it just on the parts I’m greasing...." Read more

"...The grease gun was easy to fill and this was the reason I chose this model---it allows you to load it with just about any grease..." Read more

"...The needle point allows for very accurate and very clean placement of grease...." Read more

"...The small size was perfect for inside a tool cart. It was a real pain to refill even though the grease was soft and creamy." Read more

121 customers mention80 positive41 negative

Customers are mixed about the grease. Some say that the pump uses grease very efficiently, and it works excellent for getting grease into tight, precise spots. However, other customers say that no grease was coming out, and there is a residual oozing of grease that continues to come out.

"...It works well and uses grease very efficiently. It's simple to load and appears to be well made...." Read more

"...Started pumping it, no grease was coming out. I took the top off to see if I had put enough in, to take up the air space. That look good...." Read more

"...to pump out enough grease for a car wheel bearing, but the grease output is just right for most bicycle uses." Read more

"This is a great tool for precision application of grease to bikes, mowers, autos, etc. Love it...." Read more

36 customers mention23 positive13 negative

Customers are mixed about the size of the lube gun. Some mention that it is small enough that it doesn't get in the way and looks actually, while others say that it works well but the orifice is quite small and it gets clogged once in a while. The nozzle is also small, so this shoots out a very small bead.

"This is a small or compact lube gun for tight places, lubing chainsaw bar or applying small amounts of lube to roller bearings or other parts that..." Read more

"I was shocked by how small the nipple opening is. Very little grease can come out at a time. What, am I working on machines for micr?" Read more

"...Luckily, mine came complete, no missing parts, tip small and open not clocked with any manufacturing flash or substances...." Read more

"...The small size was perfect for inside a tool cart. It was a real pain to refill even though the grease was soft and creamy." Read more

47 customers mention4 positive43 negative

Customers are dissatisfied with the hole in the tool. They mention that the nozzle tip did not have a through hole, the hole was blocked, and the.041" bore was too small for their applications. Some customers also say the needle nozzle came without an opening.

"...I filled it with super lube. As others have said, the nozzle tip DID NOT have a through hole so I had to file it down...." Read more

"...Mine is not that case. The hole is very small, but it produces a very nice, tight bead of grease, about an 1/8 of an inch, which is perfect for..." Read more

"...one,, little did I know, out of the three I own, there is no hole like the apprently the MAC has in it,, so if needed will have to take apart to..." Read more

"This is a very well made lube gun. The hole in the nozzle was too small for my applications and I enlarged the bore to about 1/16" and it is perfect..." Read more

Exactly what I wanted but required filing tip
4 Stars
Exactly what I wanted but required filing tip
This little grease gun is exactly what I wanted for my projects. I filled it with super lube. As others have said, the nozzle tip DID NOT have a through hole so I had to file it down. You can see in my photo how far I had to file to open up the hole. Since I had told this was no problem for me but could be very frustrating to other for it not to work out of the package. The size of the grease flow is the diameter I wanted for smaller projects & needs. I already have a mini grease gun and a large grease gun for bigger projects & greasing jobs that use a zerke fitting.This is identical to the park bicycle tool grease can but much cheaper.
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Top reviews from the United States

Reviewed in the United States on November 28, 2023
Reviewed in the United States on January 24, 2024
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Reviewed in the United States on March 5, 2024
Reviewed in the United States on December 11, 2023
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4.0 out of 5 stars Exactly what I wanted but required filing tip
Reviewed in the United States on December 11, 2023
This little grease gun is exactly what I wanted for my projects. I filled it with super lube. As others have said, the nozzle tip DID NOT have a through hole so I had to file it down. You can see in my photo how far I had to file to open up the hole. Since I had told this was no problem for me but could be very frustrating to other for it not to work out of the package. The size of the grease flow is the diameter I wanted for smaller projects & needs. I already have a mini grease gun and a large grease gun for bigger projects & greasing jobs that use a zerke fitting.
This is identical to the park bicycle tool grease can but much cheaper.
Images in this review
Customer image
Customer image
Reviewed in the United States on February 9, 2024
Reviewed in the United States on November 26, 2023
Reviewed in the United States on March 7, 2024
Reviewed in the United States on March 24, 2024

Top reviews from other countries

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José Juan Rangel Hernández
5.0 out of 5 stars Buen producto
Reviewed in Mexico on November 3, 2023
SMW
5.0 out of 5 stars Works for me.
Reviewed in Canada on June 25, 2023
Icke
5.0 out of 5 stars Made in Taiwan, großartige Funktion mit Lagerfett.
Reviewed in Germany on March 13, 2024
Mariusz Polec
2.0 out of 5 stars Mini grease gun
Reviewed in the United Kingdom on December 21, 2021
WWR
5.0 out of 5 stars Good product, as described
Reviewed in Australia on April 8, 2023
One person found this helpful
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