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Monster Mill 2 Roller Grain Mill Complete Packages
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Includes Extension?: 

A complete kit that includes the Monster MM2 mill and hopper, with or without the extension. Monster mills are known for being great quality, top of the line, homebrewing mills. The mill itself consists of a 6061 aluminum block frame with two 6" long, 1.5" wide steel rollers riding on SAE 841 oil impregnated bronze bushings. Monster Mills use a superior grade of steel that is much harder than what is found on most comparable products and in most cases will last almost twice as long. The drive shaft, and all the axles are integral to the roller rather than screwed into the ends. This means that the mill works great driven clockwise or counter-clockwise. All the axles are 3/8", with minimal freeplay in the bushings.

One of the knurled steel rollers is driven by a standard 3/8" electric drill or hand crank (not included) to feed the grain through the adjustable gap and crush the grist. Both ends of the non-driven roller ride in bushings that are offset and mounted in an adjustable knob. The knob is held in a fixed position by a set-screw that you can loosen to adjust the mill. This system provides an adjustment range of .070". The knobs are made from 303 stainless steel for excellent durability, and are larger in diameter than the competition, as well as knurled for a positive grip. They've also added a groove in the newest design knobs with a matching rounded head on the thumbscrew that allows for a much better grip on the knob to avoid gap changes while milling, and also providing knob retention.

These Packages come complete with a Base, 2 Roller Monster Mill Body, and a Hopper.  Choose whether to include the Hopper Extension, which upgrades Hopper capacity to a huge 39 lb!  Check out our 3 Roller Mill Packages if looking for even more crushing power.


  • Fully adjustable mill
  • Dual eccentric adjusters: 0 to .070" gap - built from STAINLESS STEEL for no galling
  • 6 lbs / minute throughput
  • 6" long knurled steel rollers
  • Rollers last for 12,000 - 15,000 lbs of grain
  • Drill-Drive - Clockwise or Counter-Clockwise
  • Alloy frame
  • SAE 841 oil impregnated bronze bushings
  • 1.5" diameter steel rollers
  • 3/8" integral drive shaft has three flat for drill driving, sticks 2" outside mill body
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I am getting into BIAB batches and need to be able to mill more finely to get better efficiency.
John Scott B on Jan 27, 2018
I am getting into BIAB batches and need to be able to mill more finely to get better efficiency.
John Scott B on Jan 27, 2018

4.5 / 5.0
2 Reviews
5 Stars
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1 Stars
Hard to beat this quality
Great mill good price!
January 25, 2018
1 month ago
Very Happy, Works Great, Wish the Hopper Was A Little Bigger
This is my first mill. I've used it 3 times now. Works great, assembly took 30-45 min. Adjustment is easy, just follow instructions, you need a feeler guage, I used the one I use for spark plugs, can get one at any auto parts store. It mows through the hopper (about 7lbs) in about 30 seconds using a hand drill. It will get jammed if you don't give the drill some gas from the get go and stay at a consistent high speed. Loosening the adjustment for roller distance is how you un jam it but then you don't know what your roller distance is. I'm doing modified BIAB and milling to a finer size which helps keep mash efficiency up. There is a hopper extension but it is big extends from 7 to 39 pounds. I wish they would have designed the base hopper for 15 lbs or so of capacity so a single 5 gal batch would not need a reload.
March 31, 2017