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Model#: MTSNNC-4630Q

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m7 Mighty Seven NC-4630Q 1/2 in. Drive Mini Air Impact Wrench

  • m7 Mighty Seven NC-4630Q 1/2 in. Drive Mini Air Impact Wrench
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Mighty Seven's 4th generation super mini 1/2 in. Drive Air Impact Wrench gets you into the tightest spots where no other wrench could, with more than enough power to complete almost any job.
  • Jumbo-type hammer with up to 600 ft-lbs. of maximum reverse torque to handle most tasks
  • 68% lighter and 60% shorter compared to ordinary models
  • Meets OSHA noise level requirements at 85 dBA
  • Rubber grip for increased comfort during prolonged periods of use
  • 1/2 in. Drive Mini Air Impact Wrench - NC-4630Q


Length: 3.875 in.
Weight: 3.3 lbs.
Average Air Consumption (SCFM): 4.4
Bolt Capacity: 5/8 in.
Drive Size: 1/2 in.
Drive Type: Square
Handle Type: Pistol Grip
Min. Hose Size: 3/8 in.
Operating Pressure (PSI): 90
Operating Speed (RPM): 9,000
Torque: 200 - 350 ft-lbs. (Working), 600 ft-lbs. (Max)



4.5 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Would you recommend?
Yes (4)
No (1)
Lightweight (6)
Ergonomic Design (4)
Powerful (2)
Ergonomic Design
Good little wrench
I am an IT professional & avid DIY mechanic who worked pit crews for many years. There isn't much I haven't done on a vehicle, but I'm not a professional mechanic. I purchased this tool to have a lighter, smaller, wrench for under car work. I took a leap of faith due to the lack of reviews. Hopefully my review will fill the void a bit and help set expectations.

I didn't expect this wrench to be as strong as my IR 231c, but M7 advertises the same maximum torque so I figured it might be close. I didn't think it was a strech as the IR design is decades old while this tool is newly developed. However, there is no comparison between these two wrenches. The IR is MUCH stronger.

I was initially disappointed in this tool as it struggled to remove the lug nuts on my F150, which were rotated this week and torqued using never seize. I retorqued the lugs nuts and tested again with the same results. The supply pressure and volume were no issue as it's a 60 gallon compressor tank with 3/8" lines and connectors. I was on the verge of returning the wrench when I decided to test it for the purpose I bought it for, which is under car work.

My truck is 13 years old and I live in the rust area (Upstate NY) so it's a good vehicle to test with. I tested the wrench on shock and bumper mount fasteners. Both were heavily rusted and the bumper was a tight fit. I needed to use a swivel and short extension on the bumper, but the wrench fit between the bumper and spare tire with about an inch to spare.

This wrench made short work of both the shock and bumper mount fasteners. It spun them off like they were finger tightened. I was very suprised at the speed, especially given the problems it had with the lug nuts.

I decided to test it again with the lug nuts. Interestingly, it was better. It seems like it just needed a bit of break-in time although I don't know why it would. I decided to keep the wrench due to the ability to work on the rusted fasteners in tight spaces. This M7 still isn't anywhere near as strong as the IR, but it is light, compact and has enough power to be very useful.
May 29, 2015
Yes, I would recommend this to a friend
Ergonomic Design
Compact yet powerful
Powerful yet compact. Spins lug nuts without any problem. Removes rusted bolts with little croft and easily fits into tight places. Great go to gun.
June 30, 2015
Yes, I would recommend this to a friend
Ergonomic Design
Great mini impact tool
Useful on large bolts in hard to reach areas
July 21, 2015
No, I would not recommend this to a friend
Ergonomic Design
I like the size It lacks the power of a full size 1/2 in.
Under the hood in tight spots it works well but it is not for changing tires all day.
June 24, 2015
Yes, I would recommend this to a friend
Nice little impac
I was skeptical about this impact based on the size, but it seems to work great for all of my automotive uses.
October 30, 2015
Yes, I would recommend this to a friend
It is a very small compact design for getting in small areas
Or use this tool in my heavy mechanic shop it works very well a lot of power slight way compact good for getting into tight areas I have absolutely no complaints about this product
April 22, 2016

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