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NuMax SFR2190 Pneumatic 21 Degree 3-1/2" Framing Nailer

4.6 4.6 out of 5 stars 6,866 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Power Framing Nailers by NuMax
$83.07 with 36 percent savings
List Price: $130.00

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Purchase options and add-ons

  • Construction Applications: Designed for framing, subfloors, roof decking; pallet and shipping crate assembly; and wood fencing
  • Compatible Nails: 21 degree plastic collated full round head framing nails from 2" – 3-1/2" L and 0.113" – 0.131" diameter
  • Built to Last: One piece hardened steel drive blade results in a durable pneumatic tool resistant to damage
  • Anti-Dry-Fire Mechanism: Prevents empty fires and reduces damage to internal components
  • Dual Mode Trigger: Fast and easy to switch between single sequential firing for precision or bump firing for speed
  • Tool-Free Depth Adjust: Simply turn the depth adjustment wheel by hand to change the driving depth of nails for various projects and materials
  • No Mar Safety Tip: Prevents damage to work surface and ensures professional results at home or at the jobsite

Customer ratings by feature

Easy to use
5.0 5.0
Value for money
4.5 4.5
Safety Features
4.4 4.4
Maneuverability
3.9 3.9
See all reviews

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NuMax SFR2190 Pneumatic 21 Degree 3-1/2" Framing Nailer
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From the brand

Previous page
  2. 1

    Are you looking for affordable high-quality tools? NuMax products are designed for quality and affordability to get the job faster

    We are the best quality and value in the industry for DIYers at home and professional construction contractors at the job site

  3. 1

    Air Compressors

    Portable electric oil-free pancake Air Compressors are perfect for supplying power to your pneumatic tools

  4. 2

    Framing

    Our clipped head framing nailers are great for DIYers working on home improvement projects as well to professional contractors

  5. 3

    Finishing

    Perfect for interior and exterior finish work and trim, cabinetry, window casing, picture frame assembly, and hobbies and crafts

  6. 1

    Nails

    Designed for applications such as framing, subfloors and roof decking. Made of steel for strength and durability

  7. NuMax SPS14 Pneumatic 1.4mm Tip HVLP Gravity Feed Spray Gun with 600cc Plastic Cup
    NuMax SFR2190 Pneumatic 21 Degree 3-1/2" Framing Nailer
    NuMax SFR2190WN Pneumatic 21 Degree 3-1/2" Full Round Head Framing Nailer with Nails (500 count)
    NuMax S18GLCNDH Pneumatic 18 Gauge 1-3/4" L-Cleat Dual Handle Flooring Nailer

    Want to See More?

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Product guides and documents

Troubleshooting Guide (PDF)
User Manual (PDF)

Product information

Technical Details

Additional Information

Warranty & Support

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 [PDF ]

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NuMax SFR2190 Pneumatic 21 Degree 3-1/2" Framing Nailer

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Product Description

The NuMax SFR2190 Pneumatic 21 Degree 3-1/2" Framing Nailer is ideal for working on framing, subfloors, roof decking, pallet and shipping crate assembly, and wood fencing. This durable air powered nail gun is built to last and features an anti-dry-fire mechanism, a dual mode trigger, tool-free depth adjust, a no mar safety tip, a comfort grip handle, and 360 degree adjustable exhaust. The Pneumatic 21 Degree 3-1/2" Framing Nailer will increase the productivity of DIYers tackling home improvement and repair projects as well as construction contractors at the jobsite, and is covered by NuMax's 1 Year Limited Warranty and 30 Day Wearable Parts Warranty.

Customer reviews

4.6 out of 5 stars
4.6 out of 5
6,866 global ratings

Customers say

Customers are happy with the performance, ease of use, value, and jams of the tool. They mention that it handles everything they needed it for perfectly, it's easy to set up and use, and that it makes the job much easier. They also appreciate the quality, and shipping. That said, opinions are mixed on nail quality and weight.

AI-generated from the text of customer reviews

808 customers mention735 positive73 negative

Customers are impressed with the performance of the tool. They say it works well, produces great results, and handles everything they need it for perfectly. Some mention that it's light weight, easy to load and use, and convenient. Overall, customers are satisfied with the tool's performance.

"It May seem a Little Heavy , Which it is at 8 Lbs. But It's Very Powerful When Nailingf 3 1/2" Nails !..." Read more

"...But otherwise, it worked perfectly as expected. I set the nail depth at the gun and used oh 80 psi maybe...." Read more

"...It performed very well, with plenty of nail-sinking power, and only a minor number of misfires...." Read more

"...pivot and revolve off the same basic patents and designs and work great and are durable, reliable, and have a very long life with no electric motor..." Read more

603 customers mention454 positive149 negative

Customers like the quality of the tool. They say it's a solid piece of equipment, and has a flawless performance. Some customers also mention that they have had zero issues using the framing nailer.

"...it Will Double Nail When It's LOW On Air Pressure Otherwise It's Pretty Flawless... I've Nailed Over 2,000 Nails Already 2" To 3 1/2" Putting My..." Read more

"...Perfect for nailing fence boards up as the heads were not sticking up so I got pretty lucky first try...." Read more

"Excellent performer, especially for the price...." Read more

"...The gun was not as reliable as the old Bostitch (wire collated clipped head nail sticks) in terms of always feeding a nail, particularly with the 3"..." Read more

597 customers mention561 positive36 negative

Customers appreciate the value of the tool. They mention that it works great for the price and that it shoots standard affordable plastic collated nails.

"...Excellent Price and Value For The Money...It's a Little Big ,Maybe a Little Heavy, BUT It Pounds Those 3 1/2" Nails Like Butter !..." Read more

"...In summary, this is a great value, at least for homeowner-type use...." Read more

"...Shoots standard affordable PLASTIC collated nails - some brands like Porter Cable require Paper collated nails..." Read more

"...Overall, a nice nail gun at a great price, very good value for the money. It saved my porch project budget, costing one third of a new Bostitch...." Read more

198 customers mention170 positive28 negative

Customers find the tool easy to use. They mention it's simple, easy to set up, and works well. Some say it makes framing very easy and worth the set up time. Overall, most are happy with their purchase and find it to be a great tool to have.

"...PRO: Light weight, drives well, easy to load & use, convenient drive adjustment, handles different nail lengths equally well...." Read more

"...So far in those few uses it has performed very well. It handles nice, in spite of its size...." Read more

"I replaced some fencing and this saved me lots of time and money. No misfires. For the average homeowner this plenty good enough." Read more

"...Good quality. Easy to use. I recommend this item." Read more

168 customers mention135 positive33 negative

Customers like the jams of the tool. They say it has very few jams, has not misfired, or problems while using it on framing work. They also mention that it fires nice and deep, and has a safety mechanism that will not shoot off nails unless you have loaded them.

"...very well, with plenty of nail-sinking power, and only a minor number of misfires...." Read more

"...I am impressed on how well it works and the very few jams I have had. The weight is about the same as other guns this size...." Read more

"...Plenty of power nailing through two and three studs. Very few jams." Read more

"I replaced some fencing and this saved me lots of time and money. No misfires. For the average homeowner this plenty good enough." Read more

83 customers mention60 positive23 negative

Customers like the shipping of the tool. They say it's well built, and makes their work go faster than nailing or screwing by hand. They also mention that it'll arrive quicker than expected, and that it loads easily.

"...Nail strips make it fairly easy to keep track of how many nails you have used...." Read more

"...Worked perfectly, without issues. Sped up the entire process. I could not be happier with this tool. Highly recommend it." Read more

"...I was a little disappointed with the packaging. It was just loosely tossed in a cardboard box with the sequential fire trigger zip-tied on the end...." Read more

"...Great results and fast. Very well built. I expect this gun will last a long time...." Read more

262 customers mention84 positive178 negative

Customers have mixed opinions about the weight of the tool. Some find it light weight and easy to use, while others say it's a bit heavy and bulkier than their last nail gun.

"It May seem a Little Heavy , Which it is at 8 Lbs. But It's Very Powerful When Nailingf 3 1/2" Nails !..." Read more

"...It’s pretty heavy, has the occasional double fire and leaks air from the trigger. If I had to do it over again, I’d probably still buy this nail gun." Read more

"...With the old Bostitch I had to fiddle with the air pressure. It is lighter and less tiring to handle all day, and worked equally well in any position..." Read more

"...It worked great. I will say it is heavy, but big Framing Nailers are big. So far, I can't complain especially for the price...." Read more

151 customers mention60 positive91 negative

Customers are mixed about the nail quality. Some mention it will drive a nail like a boss, while others say it just doesn't put a nails. It gets balky and intermittently fails to feed a nailed.

"...Mine Only Fired Blanks Once When The Nail Rack Was Not Perfect, Easy Fix...Sometimes it Will Double Nail When It's LOW On Air Pressure Otherwise It..." Read more

"...Plenty of power nailing through two and three studs. Very few jams." Read more

"...Again, not the fault of the tool, but it uses 21-degree collated nails, and it appears that the big-box stores are moving more towards 28 and 30-..." Read more

"...And it will drive a nail like a boss!..." Read more

It's a beast
4 Stars
It's a beast
If you're looking for a good forearm workout, considering skipping the gym and go frame with this for a while. Prior to this, I'd never used anything bigger than a 16ga finish nailer. By comparison that was tiny.It took about 110psi to reliably drive 3-1/4" galvys into some scrap treated 4x4 I had lying around. That said, results weren't always consistent. I could never figure out a pressure/depth setting combo that would reliably sink nails to a uniform depth. Even using the same setup, wood and nails, some would be countersunk by 1/8" while others were that much above the surface. I'm not sure if this is typical of nailers, but seemed odd to me.With the exception of my table saw, I'm generally pretty lazy about hearing protection. However, this had me running for my earplugs. It sounds like a firecracker going off each time.Compared to more expensive units, build-quality seems on-par. A little rougher around the edges but didn't seem less sturdy. I was a little disappointed with the packaging. It was just loosely tossed in a cardboard box with the sequential fire trigger zip-tied on the end. I can see this potentially being troublesome when paired with Amazon's notoriously "rough" shipping.Overall, would buy again.***My Rating Criteria***Build Quality(47.5%) - 5.0 StarsEfficacy(47.5%) - 4.0 StarsPost-Sale Support(0.0%) - n/aPackaging/Presentation(5.0%) - 3.0 StarsWEIGHTED AVERAGE(100.0%) - 4.4 STARS
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Top reviews from the United States

Jacqueline G.
5.0 out of 5 stars Real Strong !
Reviewed in the United States on January 9, 2024
Verified Purchase
It May seem a Little Heavy , Which it is at 8 Lbs. But It's Very Powerful When Nailingf 3 1/2" Nails !
It's Still Small Enough For Tighter Places With Only 2" or 2 3/8 " Nails. Mine Only Fired Blanks Once When The Nail Rack Was Not Perfect, Easy Fix...Sometimes it Will Double Nail When It's LOW On Air Pressure Otherwise It's Pretty Flawless... I've Nailed Over 2,000 Nails Already 2" To 3 1/2" Putting My Falling Down Garage Back Together With Very Little To NO Problems.... I Need a Smaller One For Hurricane Straps I Can't Reach Very Well Otherwise It's 5 Stars ! Excellent Price and Value For The Money...It's a Little Big ,Maybe a Little Heavy, BUT It Pounds Those 3 1/2" Nails Like Butter ! THE Adjustment For The LENGTH Is a Big Help For Lining Every thing Up Before Final Nailing... I Read a Complaint Where It Wouldn't Pound The Nail In All The Way And Had to Use a Hammer To Finish It ,WELL, READ THE DIRECTIONS, I Use The ADJUSTMENT Occasionally or It's just as Easy To Nail It Part Way By Hand As to Facilitate Lining Up The PLywood..
2 people found this helpful
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T. Simmons
5.0 out of 5 stars Decent tool for the money.
Reviewed in the United States on February 25, 2024
Verified Purchase
I only have one complaint. The round thing (what do I call it?) does not align exactly in the center and whenever I shoot a nail, sparks happen. I'm not sure if that's normal but anyway, I have to assume it's not normal but it doesn't seem to affect anything. Some slight nail metal rubbing as it goes through. But otherwise, it worked perfectly as expected. I set the nail depth at the gun and used oh 80 psi maybe. First shot the nail went in and the head went UNDER the surface just a hair. Perfect for nailing fence boards up as the heads were not sticking up so I got pretty lucky first try. Will be putting an entire fence up on one side of my yard this spring so this will be a life saver. Always aim this AWAY FROM YOURSELF AT ALL TIMES. Never get in a big hurry. This is a GUN and you should treat it with respect always. Wear safety goggles. That's all.
One person found this helpful
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Anonymous by Necessity
4.0 out of 5 stars Excellent performer, especially for the price
Reviewed in the United States on November 7, 2014
Verified Purchase
Excellent performer, especially for the price.

There are a lot of 5-star reviews for this nailer, and It's tempting to follow suit, as I had a very good experience using it in building wood platforms for a couple of sheds recently. However, as a home handyman with little expertise with air nailers, I didn't want to declare this to be a perfect tool based upon my limited knowledge and use of these tools.

It performed very well, with plenty of nail-sinking power, and only a minor number of misfires. I didn't have any 'jams' that required partial dis-assembly to clear - in most cases where this happened, I only had to move the spring back, as if loading another strip of nails, and the misfired nail would fall out easily.

A couple of minor niggles:

1) I found toe-nailing to be somewhat difficult to do accurately, because of the somewhat wide rubber foot. This displaces the exit point for the nail more than I'd like, which means that the nail is traveling through the air a bit before entering the wood. It also means that the nail isn't completely driven in, and it must be completed with a nail-setting punch and a hammer. In most cases, due to the angle at which I was toe-nailing, this amounted to between 1-1/2" to 2" or so of 'undriven' nail shaft. Note that this isn't a fault of the tool, and it's probably similar with other brands, at any price. It's possible that the rubber foot can be removed in order to minimize this by putting the actual nail exit closer to the wood, but I haven't looked into it.

2) Again, not the fault of the tool, but it uses 21-degree collated nails, and it appears that the big-box stores are moving more towards 28 and 30-degree tools, limiting the supply of nails. I was able to find them at both Lowes and Home Depot, but the supply and selection wasn't as plentiful as for the other sizes. I observed that Home Depot seems to feature 21-degree nailers in their tool rental department, so they had a good supply of Hitachi nails for sale there in the rental area, but not in the hardware department of the store. And the were less expensive than the nails sold in proximity to the nailers display!

In summary, this is a great value, at least for homeowner-type use. It worked great for my purposes and I'd heartily recommend it to others with similar needs.
7 people found this helpful
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Top reviews from other countries

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iulian
5.0 out of 5 stars Good value for money
Reviewed in Canada on February 22, 2024
Verified Purchase
Unpacked and tested. Works just fine on 2x4 lumber with both 3.5" and 2" round head nails. Plan to use it on a small project - shed so will get back in a couple of month. So far a very good buy for the price.
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Iván Montero
5.0 out of 5 stars El precio
Reviewed in Mexico on June 16, 2021
Verified Purchase
Exelente herramienta. Relación precio calidad.
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Darryl Kutschinski
5.0 out of 5 stars Sure shot everytime
Reviewed in Canada on August 3, 2021
Verified Purchase
Great value, bought two to build my garage, no misfiring or jamming at all, drove nails to right depth every time. For Canadian customers the nails are a bit harder to find but doable
One person found this helpful
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Jesús U.
5.0 out of 5 stars llego a tiempo mi pedido
Reviewed in Mexico on October 20, 2020
Verified Purchase
Muy buen producto
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Marcela
4.0 out of 5 stars Buena
Reviewed in Mexico on December 1, 2023
Verified Purchase
Muy buena herramienta para evitar posibles lesiones de muñeca por martillar mucho, se traba a veces la salida del clavo pero creo que es por seguridad
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