nailer pro logo

NuMax SFR2190 21 Degree Framing Nailer

Are you a guy who is like to do DIY projects or like to do home projects on your own? Now definitely you need this item before costing money on someone else or hiring a worker. Because it’s so easy to use and save your money. If you have a question still in your mind, “What’s the thing is that?” no worries. You have become familiar with this product after a while. Simply, it’s a nailer. What it nails? Pins! It nails any size of pins into the woods to join each other. Its job is nailing large items of material together quickly and accurately. Or you can tell it as an air gun. Actually, it is. A framing Nailer is like an air gun. It draws its power from an air compressor. Mainly it is designed for making the carpenter’s job easier by getting rid of using a painful hammer.Now it is time to tell about NuMax SFR2190 21 Degree Framing Nailer. The main selling point of this farming nailer is it can nail 21 degrees ranging in size from 2 to 3-1/2-inch plastic round head. First, check out its specifications. Then go through the details.

[tcb-script type=”text/javascript”]amzn_assoc_placement = “adunit0”;amzn_assoc_search_bar = “true”;amzn_assoc_tracking_id = “xplore26-20”;amzn_assoc_ad_mode = “manual”;amzn_assoc_ad_type = “smart”;amzn_assoc_marketplace = “amazon”;amzn_assoc_region = “US”;amzn_assoc_title = “My Amazon Picks”;amzn_assoc_linkid = “488851afeed6136d44e309d0b14d91ad”;amzn_assoc_asins = “B000A79HWA,B00JJ3RORQ,B002EVPO5E,B000A7PAS0″;[/tcb-script][tcb-script src=”//”][/tcb-script]


  • Brand: NuMax
  • Type: 21 Degree Farming Nailer
  • Model: SFR2190
  • Weight: 8.6 Pounds
  • Product Dimensions: 5.5 x 14.2 x 20.1 inches
  • Power Source: Air-powered
  • Trigger: Interchangeable. Single and multiple shooting option
  • Warranty: 1 year with 30 Day Wearable Parts Warranty


This framing nailer is ideal for roof decking, wood fencing, wall farming. With this dual-mode trigger system, you can easily nail singly or sequentially. It’s 21 degree plastic collated head is perfect for DIY projects as you will not issue with glue or pieces of metal flying around while you are working. Let’s go through in detail.

Low weight and durability

The body of numax sfr2190 21 degree framing nailer is mainly made of die-magnesium for low weight and durability. It has solid made and looks large. When you take this in your hand it feels like the most expensive nail guns on the market.

Dual-mode anti-dry fire mechanism

This mechanism allows you a dry firing. That means if the arrow is loaded but not fixed against the string, you will get a dry fire shooting. It works really well in this nailer.

360-degree adjustable air exhaust

The air exhaust of this nailer is adjustable with 360-degree rotation that will make your farming experience good enough. It will keep the dust air out of your face while working. You can also use it to blow the debris away from your workspace.

Air filter

The anti-dust cap prevents your internal parts of your tools from being dusty. So it will not be so hard for you to clean up the mess after you have done your work.

Good handle grip

Firstly, it saves your arm. You can tire quickly with the farming hammer. And many of its tight spaces are impossible to swing from your hand with the speed and power. Great for a solo DIY worker. You can easily hold it with your one hand and work flawlessly.

21-degree plastic collated full-head farming nails

The term “plastic collated nail” means that the pins are held along with a strip of plastic. You can get the advantage of it for DIY projects as there will be no issues with glue and the sharp pieces of flying metal won’t be a botheration. Our suggestion will be using 21-degree nails for the best performance. But this 21-degree framing nails can use any nail from 20°-22°. If you have any shortage of nail, we have a collection of various types of nail which have a very good impression from our previous customers.

Interchangeable trigger​

There are two triggers you will find in this Numax sfr2190 21 degrees framing nailer. For single fire use the black one, and the red one is for multiple fires.If you don’t need a high volume job with it there will be no need of changing the triggers out.


  • Good handling grip that saves the arm
  • Large but not heavy
  • Adjustable depth with 21° nailer
  • Dry fire lockout. It will not fire when you’ve just 3 nails left behind the machine
  • Premium look gun at an affordable price


  • Natural accuracy is not as good as pro-guns
  • No tool-less jam which prevents the jams occur very often
  • Diameter limit is 0.131

Solution for the cons

If you have not much budget in your pocket, then you have to sacrifice some qualities in that. NuMax SFR2190 21 Degree Framing Nailer is not out of that. As it not as like the pro-guns available in market it’s not perfect I can say. But the cons are minor. You can get rid of the accuracy of nailing by few practicing. There is not a much jam problem you can face. Regular maintenance can help you with that. But the real problem is that its diameter limit is 0.131 where the pro-guns have a diameter of 0.142-0.148. So if you have things too that have to nail deep you have to go for the others pro nailing guns available here.

Frequently ask questions

  • Q: What is the ideal size of tank capacity?A: For best performance, tank capacity should be at least 3 gallons.
  • Q: What is the power of this nailing gun?A: This nailing gun provides 70-115 PSI.
  • Q: What kind of air compressor you would recommend?A: It really depends on your using purposes. The faster you nail, more power will require.
  • Q: What kind of nailer in this gun? Clip head or round head?A: You will get a round head nail in this gun.
  • Q: What length would be the best for farming 2×4’s in a basement project?A: For 2×4 wall 2 and 3/8 inch nails would be enough. It will work great and there will be enough space of “bite” for the nails.

Final verdict

So, what else have you in your mind? Perfect nailer? You should be careful not to expect perfection from this NuMax SFR2190 21 Degree Framing Nailer or any nail guns. For that, there rise many brands and many types of nailing guns in market to meet the requirements person to person. After reading this Numax sfr2190 review go and check others and buy as your requirements. There are no guns that will meet all of your criteria. SFR2190 21 Degreenailer is a useful nail gun for occasional home use mainly.

Another caution, approximately there are 45k people go to hospital for nailing gun injuries per year. So you have to be calm and careful while working with this. Use your guard always and don’t work in dark. NuMax is sold and warranted by a US company named Prime Global Products, Inc. This Company has well reputation in this market and have various products you can get a glance of those here.