Milwaukee 2447-20 M12 Compact Lithium-Ion 3/18 in. Cordless Crown Stapler (Tool Only)

Milwaukee Model: miln2447-20
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Milwaukee 2447-20 M12 Compact Lithium-Ion 3/18 in. Cordless Crown Stapler (Tool Only) Milwaukee Model: miln2447-20
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Product Features & specs :

Milwaukee 2447-20 M12 Compact Lithium-Ion 3/18 in. Cordless Crown Stapler (Tool Only)

The Milwaukee M12 3/8 in. Crown Stapler delivers a true hand tool replacement. The 2447 is designed to drive a range of 3/8 in. flat crown staples (1/4 in. - 9/16 in.) through an array of materials and substrates. At just 3.0 lbs. and 7.5 in. long the compact design allows for great access into tight spaces and convenient tool belt portability. An easy to squeeze trigger design significantly reduces fatigue associated with traditional hand staplers. Integrated sequential and contact actuation trigger design provides increased productivity and seamless changing between firing modes. The 2447 is compatible with all Milwaukee M12 batteries, and carries Milwaukee's 5-Year limited power tool warranty.
  • Dry fire lockout prevents unintended damage to the work surface
  • Staple leg locating arrow for accurate staple placement
  • Slotted magazine design for easy staple viewing
  • Integrated sequential and contact actuation trigger for easy changing between firing modes
  • Power adjustment dial for consistent flush stapling through various materials
  • Compatible with all M12 batteries
  • Up to 1500 staples per charge on a compact M12 battery (battery and charge sold separately)
  • Part of the M12 System of over 90 tools
What’s Included:
  • M12 3/8 in. Crown Stapler (Tool Only) - 2447-20
  • Batteries and Charger sold separately
Dry Fire Lockout
Power Source
Fastener Length (Max.)
9/16 in
Fastener Type
Flat Crown
UL Safety
CSA Safety
Wifi compatibility
Fastener Length (Min.)
1/4 in
Batteries Included
Jam Clearance
Case Included
Bluetooth Compatibility
Firing Modes
Contact/Sequential Actuation
Motor Type
Fastener Gauge
0.25 in
Crown Size
3/8 in
Charger Included
Depth of Drive
ETL Safety
Battery System
7.5 in.
2.5 in.
7.25 in.
3 lbs.
Warranty Term
5 Year

Reviews :

5.0 / 5.0
11 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Would you recommend this product?
Yes (1)
Easy To Use (2)
Powerful (2)
Value (2)
Ergonomic Design (1)
Best Uses
Frequent Use (2)
Small Projects (2)
Home Repair (2)
Heavy Duty Requirements (1)
Yes I would buy this product again
I have a 40yr old Arrow T50 stapler that is now retired. I have owned several corded electric staplers including an Arrow stapler. None hold a candle to the M12 Stapler. I use it for everything from chicken wire fencing to interior trim. My 70yr old house is masonry walls . They used rock hard Portland cement and not plaster. The M12 will drive a 1/2” T50 staple in it no problem. It is well balanced and easy on my arthritis hand. Highflying recommend this product.
June 24, 2020
Originally posted at
Excellent stapler!
Excellent tool that helps get the job done. I particularly like that you’re able to adjust the strength of the stapler to adjust the depth of the staple depending on what material you are stapling and into what. It makes for an effortless job of putting staples in at the squeeze of just a finger. Just aim squeeze and reload as necessary! I most recently used this to put up a temporary fence and to install some insulation.
June 8, 2020
Originally posted at
Works great as 1/4" crown stapler
Has enough power to fire 1/4" crown staples up to 3/4". Useful for aluminum soffit. 2.5 pounds lighter than the m18 crown stapler.
April 16, 2020
Originally posted at
Great stapler
I work construction & remodeling. I bought this in anticipation of a job where we would be hanging three semi truck loads of fiberglass insulation. The depth setting feature of this stapler enables me to use it for flooring underlayment, paper insulation batting, Tyvek house wrap, roofing paper, etc. I like it much better than a slap stapler for detail work. The battery strength gauge on the side is also a nice feature since M12 batteries don't have this feature like M18 batteries.
March 28, 2020
Originally posted at
Bought this stapler and used to staple roofing paper and roll of roofing material with no problems nailed both materials through wood with ease,i use a 6.0 battery and t50 9/16 staples and it was incredible
October 27, 2019
Originally posted at
Would you recommend this product?
Easy To Use
Best Uses
Frequent Use
Heavy Duty Requirements
Large Projects
Small Projects
Home Repair
My best stapler!
Good power,easy to load,blends well with my other m12 tools.
June 24, 2019
1 year ago
Describe Yourself:
Avid Do-it-Yourselfer
Please make a t79 version
The t-50 stapler is perfect ...except not for coax or cat-5 please make hundreds of electricians happy too and make an insulated version.
April 29, 2019
Originally posted at
Best stapler I've ever owned and that is several over the years.
April 6, 2019
Originally posted at
Great Staple gun
Works great putting in insulation on vertical and overhead.
August 20, 2018
Originally posted at
Great Tool Very Handy and Comfortable. Great Design
I love this stapler, I volunteer with an organization building homes and so I got this primarily for the days when we do insulation, I have not been able to use this for the insulation yet , but I used this apply a tool liner to a cart I was making, I used the 3/8" staples and it worked like a charm. See the Pictures below, no matter the orientation that you hold the stapler , it will fire just fine. The design is very cool, by the look of it you would expect it to fire an ion plasma blast charge instead of staples, but it performed just well. I used this on OSB, 2x lumber and it worked just fine. There is a dial on the top to change the depth, the position of the indicator can be determined by how red or black it is. As of this writing I forget which is the lowest and the highest, but just know that you do not have to guess where it is at when you are using it. The bump fire works great, just make sure you have the stapler pressed firmly against the work surface to drive it all the way through. I noticed that if you hold the trigger for more than 5 seconds without firing a staple, or having the actuator push in on the tip. The stapler will shut off as a safety feature. To fire another staple simply release the trigger and press it while also pushing the actuator into the work surface.
March 20, 2018
Originally posted at

Q & A :

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What specific type or brand of staples will work?
David L on Jan 20, 2018