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 32 reviews
91%
(29)
6%
(2)
0%
(0)
0%
(0)
3%
(1)
K
K.D.
Heavy duty mill

New Monster Mill is great! Heavy duty and fast milling. Much better than my previous mill.

K
K.L.
Looks good

Assembly was fairly straight forward but I haven't had a chance to use it yet.

B
B.H.
Monster Mill 3 roller

Upon opening the box the hopper had a slight dent due to shipping(not a huge ordeal). After reading the directions and putting everything together i had some issues on getting the gap set correctly with the 3 roller setup. After multiple times of adjusting, putting back together, and adjusting some more. I finally have it set to the perfect crush. I also bought a few pounds of white rice to run through a few times to rid the miller of any fine metal shavings/oil due to manufacturing. Do yourself a favor and have a nice set of box end wrenches and feeler gauges ready when this comes. Soon as you have it set forget it and happy brewing!

H
H.
Grinds like a champ!

Put this together, set the gap to recommended clearance and had a great grind right out the gate. Had to tinker a little until gap was right at both ends and the rollers would all spin with little resistance, but after that it was solid. I use a Milwaukee 1/2" drill to run the mill (with just a little trigger pressure to keep RPMs down) and it crushes 10 pounds of grain in just a few minutes. Open husks with decent shreds left to filter during sparge, and little white babies in small chunky pieces with a little bit of flour after milling. I cut a trap door in a utility table and drilled holes to match the pressed wood baseplate on the MM3, so I can quick throw four bolts in, run the nuts down finger tight, place a bucket underneath, and keep the dust down to almost nothing when grinding. Then just blow everything off, pull the bolts, and put the Monster back on the shelf until next time. Efficiency jumped up and grain is nice and fresh on brew day!

E
E.B.
So far so good!

Only a few brews in with the mill, took me a little bit to dial in the crush, but it works like it should.

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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 32 reviews
91%
(29)
6%
(2)
0%
(0)
0%
(0)
3%
(1)
K
K.D.
Heavy duty mill

New Monster Mill is great! Heavy duty and fast milling. Much better than my previous mill.

K
K.L.
Looks good

Assembly was fairly straight forward but I haven't had a chance to use it yet.

B
B.H.
Monster Mill 3 roller

Upon opening the box the hopper had a slight dent due to shipping(not a huge ordeal). After reading the directions and putting everything together i had some issues on getting the gap set correctly with the 3 roller setup. After multiple times of adjusting, putting back together, and adjusting some more. I finally have it set to the perfect crush. I also bought a few pounds of white rice to run through a few times to rid the miller of any fine metal shavings/oil due to manufacturing. Do yourself a favor and have a nice set of box end wrenches and feeler gauges ready when this comes. Soon as you have it set forget it and happy brewing!

H
H.
Grinds like a champ!

Put this together, set the gap to recommended clearance and had a great grind right out the gate. Had to tinker a little until gap was right at both ends and the rollers would all spin with little resistance, but after that it was solid. I use a Milwaukee 1/2" drill to run the mill (with just a little trigger pressure to keep RPMs down) and it crushes 10 pounds of grain in just a few minutes. Open husks with decent shreds left to filter during sparge, and little white babies in small chunky pieces with a little bit of flour after milling. I cut a trap door in a utility table and drilled holes to match the pressed wood baseplate on the MM3, so I can quick throw four bolts in, run the nuts down finger tight, place a bucket underneath, and keep the dust down to almost nothing when grinding. Then just blow everything off, pull the bolts, and put the Monster back on the shelf until next time. Efficiency jumped up and grain is nice and fresh on brew day!

E
E.B.
So far so good!

Only a few brews in with the mill, took me a little bit to dial in the crush, but it works like it should.