Monster Mill Grain Mills - Complete MM2 and MM3 Kits

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Product details

Includes roller assembly, base, and steel hopper - just add a corded electric drill or a crank handle for the ultimate in pre-mash gristing experience. Available as a 2-roller mill or 3-roller mill. The 2-roller model is pictured.

MM2 Package

A heavy-duty, fully-adjustable all-purpose grain mill for homebrewers of all levels and batch sizes. Includes roller assembly, base, and steel hopper with 11 lb. capacity - just use a corded electric drill or add a 1/2" crank handle for a consistently perfect crush every time.

The MM2 boasts a double-roller configuration, with an adjustable gap spacing between the two rollers - this means you can set the gap tighter or coarser to dial in your efficiency and custom tailor the crush to suit your system, sparging or steeping method, and malt from batch to batch.

Roller Assembly Features:

  • 6061 aluminum block frame with two 6" long x 1.5" diameter knurled steel rollers riding on SAE 841 oil-impregnated bronze bushings
  • Adjustable roller gap spacing with 0-0.070" range
  • Dual eccentric gap spacing adjusters built from stainless steel to prevent galling
  • 1/2" integral drive shaft with 3 flats for drill driving or a hand crank
  • 2" long outside frame
  • 1/2" integral axles
  • 6 lbs/min average throughput 

Hopper Features:

  • Heavy duty galvanized steel
  • 9" overall height
  • 11.5" x 12.75" opening at the top
  • 11 lb. capacity

Base Features:

  • Approx. 12 x 12" to fit over standard 5 or 6-gallon buckets
  • Radiused top edges and corners
  • Hand-routed grist window

MM3 Package

The 3-roller option is perfect for large batches or those looking to maximize mash efficiency at any volume. This heavy-duty, triple-roller mill is designed for motorization (can be powered with a corded electric drill) and features an average throughput of 8 lbs./minute and adjustable gap spacing for fine-tuning your crush.

Why three rollers?

The MM-3 crushes all your grain twice with one pass through the mill. It starts with a preliminary crush through the initial fixed gap between the top two rollers and then ends with a pass through the second gap between the drive roller and the bottom third roller. The initial pass slightly flattens the grain, and gets it ready for the next crush that breaks apart the grains and loosens the starch with minimal husk damage.

Includes roller assembly, base, and steel hopper with 11 lb. capacity - just add a corded electric drill or a 1/2" crank handle for the ultimate pre-mash gristing experience.

Roller Assembly Features:

  • 6061 aluminum block frame with three 6" long x 1.5" diameter knurled steel rollers riding on SAE 841 oil- impregnated bronze bushings
  • .060" fixed primary gap, 0-0.065" fully-adjustable secondary gap
  • Dual eccentric gap spacing adjusters built from stainless steel to prevent galling
  • 1/2" integral drive shaft with 3 flats for drill driving
  • 2" long outside frame
  • 1/2" integral axles
  • 8 lbs/min average throughput

Hopper Features:

  • Heavy duty galvanized steel
  • 9" overall height
  • 11.5" x 12.75" opening at the top
  • 11 lb. capacity

Base Features:

  • Approx. 12 x 12" to fit over standard 5 or 6-gallon buckets
  • Radiused top edges and corners
  • Hand-routed grist window

Additional information

SKU

40913, 40914

Customer Reviews

Based on 41 reviews
85%
(35)
7%
(3)
5%
(2)
0%
(0)
2%
(1)
A
Andrew L.
Beast

Beast of a mill. Chews through grain and produces a consistent grind. Only downside is it's a pain to change the gap setting as it requires disassembling the mill. I modified the sheet metal with slits to allow my feeler gauges to enter while still assembled.

A
Anthony G.

Great mill, sturdy and easy to set mill

A
Artur K.

It is a solid mill but be aware that you have to clean the rolls from the metal particles unless you don't mind having it in your milled grains and eventually in your mash. I don't personally thing one pound of grains, the manufacturer recommends to mill before first use is enough to take care of the problem. I strongly believe the mill should be already clean before living a factory than it would deserve 5 stars.

g
glen o.

Monster Mill Grain Mills - Complete MM2 and MM3 Kits

W
William L.
Such an upgrade

I have been using a 2 roller mill for a number of years, and it was getting tempermental. I decided to upgrade to the 3 roller MM3 and what a difference. The assembly was straight forward, even though the pictures on the instructions were not the best. I brewed a recipe I had done several times before, and increased my efficiency 8 points! In addition, I was able to use my cordless drill to run it without an issue.
One thing to note: if you look on on the Monster site, they will have a picture of the "kit" which includes the feeler gauge and oil. NB shows the same picture of the "kit", but those two items are not included (mill only). You can pick up a feeler gauge at an auto parts store for $6-8. Also, I do wish that there were markings on the adjustment ****. I measured at 0.035, 0.040, and 0.045 and marked with a fine Sharpie. Overall, very happy with this purchase.

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Monster Mill Grain Mills - Complete MM2 and MM3 Kits

Monster Mill Grain Mills - Complete MM2 and MM3 Kits

Customer Reviews

Based on 41 reviews
85%
(35)
7%
(3)
5%
(2)
0%
(0)
2%
(1)
A
Andrew L.
Beast

Beast of a mill. Chews through grain and produces a consistent grind. Only downside is it's a pain to change the gap setting as it requires disassembling the mill. I modified the sheet metal with slits to allow my feeler gauges to enter while still assembled.

A
Anthony G.

Great mill, sturdy and easy to set mill

A
Artur K.

It is a solid mill but be aware that you have to clean the rolls from the metal particles unless you don't mind having it in your milled grains and eventually in your mash. I don't personally thing one pound of grains, the manufacturer recommends to mill before first use is enough to take care of the problem. I strongly believe the mill should be already clean before living a factory than it would deserve 5 stars.

g
glen o.

Monster Mill Grain Mills - Complete MM2 and MM3 Kits

W
William L.
Such an upgrade

I have been using a 2 roller mill for a number of years, and it was getting tempermental. I decided to upgrade to the 3 roller MM3 and what a difference. The assembly was straight forward, even though the pictures on the instructions were not the best. I brewed a recipe I had done several times before, and increased my efficiency 8 points! In addition, I was able to use my cordless drill to run it without an issue.
One thing to note: if you look on on the Monster site, they will have a picture of the "kit" which includes the feeler gauge and oil. NB shows the same picture of the "kit", but those two items are not included (mill only). You can pick up a feeler gauge at an auto parts store for $6-8. Also, I do wish that there were markings on the adjustment ****. I measured at 0.035, 0.040, and 0.045 and marked with a fine Sharpie. Overall, very happy with this purchase.