Mills
Brewery & distillery grain mills are roller mills, usually with 2-4 rollers. Using roller mills (as opposed to hammer mills) preserves grain husks, minimizes dust, and bypasses the maintenance of screens.
Mill choice comes down to 3 factors – Roller size, roller quantity, and quality.
Roller Size
Regardless of roller quantity, initial surface area determines throughput. As you can see from the table below, this is determined more by length than width. Width determines longevity and consistency more-so than throughput.
Roller quantity
More rollers means more consistency and control. With a second pair of rollers the first pair can be backed off, bringing the grains down to a consistent size and reducing jarring on the second pair. This lets you keep more husks in-tact and reduce the presence of fines.
Build Quality
For brewers this usually comes down to RAD vs. RMS, a simple matter of budget. Getting a heavier-duty mill off the bat will save you money in the long-run without a doubt. But if you really need that extra money now, a lighter mill will do. Just remember that it’s not a straight dollar-for-dollar translation. Lighter mills will come with more noise, dust, and repairs (time spent).
All sourced equipment is provided for the same price brewer’s get direct.
The difference is we provide and service all interfacing equipment from a single point of contact.
RAD vs. RMS

40-60 lbs/min
Strong quality but minimalistic

40-60 lbs/min
Super sturdy, dust-tight, & quiet
Choosing a model
As reflected in the table, there is some overlap of when certain models are viable depending on recipes and how many runs you do in a day. The key is to make sure your mill can finish batches at least as quickly as your minimum mash time.
In general this table goes higher quality as you move right, but the exception is the RMS 6×6. This is the model they made to compete in the lower price bracket and is the only reason RMS and RAD’s prices overlap.
Click Here to see table with model images
System Size
RAD 2-Roller
RAD 4-Roller
RMS 2-Roller
RMS 4-Roller
3-10 BBL
6.5″ x 4.5″ (40 lbs/min)
N/A
6″ x 6″ (20 lbs/min)
N/A
7-20 BBL
6.5″ x 7.5″ (60 lbs/min)
6.5″ x 7.5″ (60 lbs/min)
9″ x 6″ (50 lbs/min)
9″x6″ (50 lbs/min)
15-40 BBL
6.5″ x 7.5″ (60 lbs/min)
6.5″ x 7.5″ (60 lbs/min)
9″ x 12″ (83 lbs/min)
9″ x 12″ (83 lbs/min)
30-60 BBL
N/A
N/A
9″ x 18″ (167 lbs/min)
9″ x 18″ (167 lbs/min)
Application Photos
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Grain Handling RFQ
System Size x Model
RAD 2-Roller
RAD 4-Roller
RMS 2-Roller
RMS 4-Roller
3-10 BBL
6.5″ x 4.5″ (40 lbs/min)

N/A
6″ x 6″ (20 lbs/min)

N/A
7-20 BBL
6.5″ x 7.5″ (60 lbs/min)

6.5″ x 7.5″ (60 lbs/min)

9″ x 6″ (50 lbs/min)

9″x6″ (50 lbs/min)

15-40 BBL
6.5″ x 7.5″ (60 lbs/min)

6.5″ x 7.5″ (60 lbs/min)

9″ x 12″ (83 lbs/min)

9″ x 12″ (83 lbs/min)

30-60 BBL
N/A
N/A
9″ x 18″ (167 lbs/min)

9″ x 18″ (167 lbs/min)

Brewery & Distillery Mills
Brewery & distillery grain mills are roller mills, usually with 2-4 rollers. Using roller mills (as opposed to hammer mills) preserves grain husks, minimizes dust, and bypasses the maintenance of screens.
Mill choice comes down to 3 factors – Roller size, roller quantity, and quality.
Roller Size
Regardless of roller quantity, initial surface area determines throughput. As you can see from the table below, this is determined more by length than width. Width determines longevity and consistency more-so than throughput.
Roller quantity
More rollers means more consistency and control. With a second pair of rollers the first pair can be backed off, bringing the grains down to a consistent size and reducing jarring on the second pair. This lets you keep more husks in-tact and reduce the presence of fines.
Build Quality
For brewers this usually comes down to RAD vs. RMS, a simple matter of budget. Getting a heavier-duty mill off the bat will save you money in the long-run without a doubt. But if you really need that extra money now, a lighter mill will do. Just remember that it’s not a straight dollar-for-dollar translation. Lighter mills will come with more noise, dust, and repairs (time spent).
Choosing a model
As reflected in the table, there is some overlap of when certain models are viable depending on recipes and how many runs you do in a day. The key is to make sure your mill can finish batches at least as quickly as your minimum mash time.
In general this table goes higher quality as you move right, but the exception is the RMS 6×6. This is the model they made to compete in the lower price bracket and is the only reason RMS and RAD’s prices overlap.
System Size ( BBL) | RAD 2-Roller | RAD 4-Roller | RMS 2-Roller | RMS 4-Roller |
3-10 | 6.5″ x 4.5″ (40 lbs/min) | N/A | 6″ x 6″ (20 lbs/min) | N/A |
7-20 | 6.5″ x 7.5″ (60 lbs/min) | 6.5″ x 7.5″ (60 lbs/min) | 9″ x 6″ (50 lbs/min) | 9″ x 6″ (50 lbs/min) |
15-40 | 6.5″ x 7.5″ (60 lbs/min) | 6.5″ x 7.5″ (60 lbs/min) | 9″ x 12″ (83 lbs/min) | 9″ x 12″ (83 lbs/min) |
30-60 | N/A | N/A | 9″ x 18″ (167 lbs/min) | 9″ x 18″ (167 lbs/min) |
System Size ( BBL) | RAD 2-Roller | RAD 4-Roller | RMS 2-Roller | RMS 4-Roller |
3-10 | 6.5″ x 4.5″ (40 lbs/min) | N/A | 6″ x 6″ (20 lbs/min) | N/A |
7-20 | 6.5″ x 7.5″ (60 lbs/min) | 6.5″ x 7.5″ (60 lbs/min) | 9″ x 6″ (50 lbs/min) | 9″ x 6″ (50 lbs/min) |
15-40 | 6.5″ x 7.5″ (60 lbs/min) | 6.5″ x 7.5″ (60 lbs/min) | 9″ x 12″ (83 lbs/min) | 9″ x 12″ (83 lbs/min) |
30-60 | N/A | N/A | 9″ x 18″ (167 lbs/min) | 9″ x 18″ (167 lbs/min) |