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Monster Mill MM2 2-Roller Mill

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Monster Mill MM2 2-Roller Mill

SKU: 40280

Monster Mill MM2 2-Roller Mill


The MM2 has a 6061 aluminum block frame housing two steel rollers on oil-impregnated bronze bushings. The drive shaft and all axles are integral to the roller rather than screwed into the ends, which makes it possible to drive the mill clockwise or counter-clockwise. Stainless knurled knobs allow a gap spacing adjustment range of .070". You will need to fabricate/supply a base, hopper, and corded electric drill.

* Fully adjustable mill
* Dual eccentric adjusters: 0 to .070" gap - built from STAINLESS STEEL for no galling
* 6 lbs / minute
* 6" upgraded steel rollers
* Drill-drive - CW, OR CCW
* Alloy frame
* SAE 841 oil impregnated bronze bushings
* 1.5" diameter steel rollers
* 3/8" integral drive shaft w/3 flats for drill driving, 2" long outside frame
* 3/8" integral axles
Details & Instructions

Additional Information

4.9 / 5.0
27 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Crushes instead of shreds
It crushes instead of shreds like a corn mill. I use a low speed drill and run it at 250RPM. The ability to adjust the crush is important. Some grain like Carapils are smaller and harder and need to be crushed separately and at a tighter setting._x000D_
March 26, 2014
It holds a lot of grain, with the hopper, and because it's adjustable, can crush it into small bits that make it easier to extract sugar. It's heavier than it looks, and you will need a good drill to power it.
January 6, 2014
Does not crack corn, but will break your wrist
Really disappointed with this purchase. I spent more money than I wanted to, but I thought this was a well built mill, and it is. However, there should be a huge warning label stating that it will not crack corn._x000D__x000D_After doing some sheet metal fabrication because they sent me a hopper for the MM3, not the MM2 hopper that I ordered (after waiting for almost a month to get it), I got everything together. I was ready to forgive the error because I modified the hopper to fit in about an hour. First, I maxed out the gap between the rollers, then chucked up the shaft in a heavy duty DeWalt drill, filled up the hopper with dried corn, and turned on the drill, expecting it to start spitting out perfectly cracked corn. All it did for the first few minutes was just spin. I made sure that I was turning it in the right direction, I shook the hopper, I varied the speed of the drill. I just wasn't working._x000D__x000D_So I dumped out the corn and added a small handful of kernels to see what was happening. The kernels were just bouncing off the rollers. It seems that the maximum gap is still too small to crack corn. All of a sudden, one kernel caught and the whole bunch were spit through. So I started just grinding one handful at a time. _x000D__x000D_Several times, the corn caused the rollers to instantaneously stop, but the drill kept going, slapping and twisting my wrist. Very painful. One time the mill/hopper itself nearly did a 360. I could have easily sliced open my arm on the sheet metal hopper when that happened. After coaxing a few handfuls through over a long period of time, and having my wrist twisted, I gave up._x000D__x000D_This machine either needs a disclaimer that it won't crack corn, or they need to offer a different set of eccentric cams that provide a wider gap. There is definitely enough room to off set the bushings more.
October 13, 2013
cracks grain not grinds into flour
You don't want flour and thqts what you get from a lot of the cheap Corona style mills. The Monster Mill cracks grain into small pieces that can have the sugar extracted from them without causing a stuck sparge. Its made of harder metal and will last a life time. I got a low speed drill from Harbor Freight and can easily grind 30 pounds of grain for a nice 10 gallon batch.
September 22, 2013
A lot better than a standard mill
I have always used inexpensive mills, and had a Corona style mill for a while, but it wore out. This is a much bulkier stronger mill that cracks the grain instead of making flour out of it. I used a drill and easily ground up 20 pounds of grain. Its a pleasure to use and will last a lifetime.
August 20, 2013
Great durable mill
This mill will last a lot longer than a Victoria mill. Unlike a hopper mill like the Victoria this one crushes grain instead of making it into flour. I can get a tight crush and high efficiency using brew in a bag, where there is no risk of a stuck sparge. I had to buy a drill and the base and hopper, so the total cost is not cheap, but it's worth it for a high end mill.
July 19, 2013
Works great, very beefy
I really like this mill. It's very sturdy and well made. I recommend buying their hopper and base. Making a hopper could be very tedious, and making a base was tedious but if you are a handy DIY'er it's not too hard, but getting the dimensions and everything can be difficult because they did not provide any instructions, or more importantly a mounting hole template that could be taped to a piece of MDF or wood and drilled on to get the holes lined up. I had to make my own and it ended up off by a bit because the mill does not come pre-assembled with side plates.
July 5, 2013
Solid mill
Just brewed using my MM2 for the first time, and it worked great! I need to tighten the gaps a little bit more, but this is really easy to do. I did some research and asked around, and the Monster Mills are definitely worth paying a few more bucks over cheaper brands. Go with the base and hopper, too.
June 10, 2013
What a mill
This is a good sized mill. The roller is thick and long, and it can crush a lot of grain faster and better than smaller models. I got a drill to power it so I can grind up 15 pounds of grain in no time. The mill is very solid and the gnurling wont wear out.
June 4, 2013
Excellent build quality
This is the only grain mill that I have used so I really don't have a point of comparison but I really love this mill. The build quality is excellent. The rollers are easy to adjust and the bearings are smooth with very tight tolerance. I think it is worth the money.
May 29, 2013
Customer Q&A
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Browse 3 questions Browse 3 questions and 4 answers
I don't see how that it attaches to a base. Do you sell a base. Could it be attached to a bench with an opening cut into the bench with a bucket under it? Are the 4 bolts on top to attach the hopper?
G O on Aug 6, 2016
BEST ANSWER: It can be attached to a base from below with 4 bolts. We sell a mill/hopper/base package, but not the base by itself. It could be custom-mounted to a bench, sure! It would be easily done. Many folks have made their own base for it, Google "Monster Mill Base" for many images! And, yes, the 4 top bolts are to attach the hopper. - Mike W, Midwest Supplies
Will this mill handle corn?
K U on Apr 13, 2016
BEST ANSWER: No. All grain mills we sell are for malted grains, not corns. Use on anything besides malted barley, rye, or wheat would void the mill's warranty. Probably not the solution for your need, sorry.
I see the MM3 model has a crank which I assume is optional. Do you have a hand crank to fit this MM2 model? Do you have a base to fit this MM2 model?
I have a drill and see that you have hoppers.
Rudi on Nov 26, 2015
BEST ANSWER: The crank is the same for MM2 and MM# models. We do not stock the hand crank however.



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