MashMaster Specialised Brewing Equipment

MillMaster Grain Mill

Hardened 420 Stainless Steel Fluted Rollers. The only geared roller mill on the market.


Our Price:	JP ¥25,660.09

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MillMaster - Cutting edge design with old fashioned reliability.

MillMaster MiniMill Specifications

130mm (5"approx.) precision machined rollers
39mm (1 1/2") diameter rollers
26 flutes per roller
420 Hardened Stainless Steel Rollers as Standard high corrosion and wear resistance
12.7mm (1/2") drive shaft keyed for easy motorization, drill drive or hand crank
additional 3 flat triangular shank drive shaft designed to fit a 3/8ths drill chuck for improved torque and centering.
oil-impregnated sintered bronze bushings, carry a higher load, need less maintenance, and damp vibration better than their rolling-bearing counterparts.
Strong aluminum frame
built in gear guard
Arrives assembled

Fluted Rollers

asymmetrical saw-tooth fluted rollers provide a cutting on cutting crush as used in high end commercial mill rollers
flutes are angled to provide additional strength, durability and wear resistance
cutting on cutting action reduced excess flour production and reduces husk damage to improving launtering.
made from heat treated 420 Stainless Steel for a long service life

Roller Gap Adjustment

set gap marks for ease of adjustment and repeatability
0.0mm to 1.9mm infinitely adjustable gap setting for precision control and accuracy
304 stainless steel the eccentric adjustor
Quick Adjustment side locking pins

Gear Driven Rollers

Gear rollers make it possible to do away with course husk ripping and tearing knurls found on other mills.
Only geared roller mill on the market that is fully adjustable at both ends.
Synchronized rollers for consistent crush which is sensitive to RPMs and differential roller speeds
The geared rollers ensure an easy and smooth feed of malt into the grain mill from start to finish.

Our mills reflect 10 years of design evolution, experience and learning.

The gear driven, asymmetrical saw-toothed fluted rollers are the heart and soul of our mill. Some of our customers have removed the gears to test if it’s a sales gimmick, all have promptly reinstalled the gears after they noticed a decline in the crush quality. We have tested the mill without gears because if they were redundant we would have removed them and passed the savings onto our customers. The gears are not there for show, they improve the crush distribution and ensure grain feeds into the rollers every time.

We have used knurled rollers in the past which suffered from wear and less than Ideal ASBC grist distribution. After testing dozens of fluted rollers designs we arrived at a design based on commercial mills that use a cutting on cutting saw tooth pattern. This flute pattern reduced husk damage and reduced the flour proportion in the grist. The fluted rollers improved the stability of the grist distribution at different roller speeds. The fluted rollers deliver a more consistent grist distribution regardless the roller speed of between 120 to 530 RPM. The cutting edge of the flute is stronger than a knurled roller because it has more material behind it. Made from a durable heat treated 420 Stainless Steel. Because even flutes on commercial 6 roller mills eventually dull after many tons and years of operation, the unique design of the mill allows you to flip the mill upside down and the roller that was the back edge /dull roller becomes the new cutting edge roller and the dull cutting edge becomes a new back edge/dull roller. In effect increasing the service life of the mill. We doubt the average home brewer will experience flute wear which would require flipping the mill, but a home brew shop milling tons of malt may experience this at some point in the future.

We have used sealed roller bearings in the past, which allow you to freely spin the rollers with your fingers for longer, looks cool for sure, but when milling by hand or using a motor the difference in friction and resultant torque required to power the mill is negligible.There are no savings in motor size or muscle power that could justify the use of rollers bearings in a home brew mill. We no longer use sealed roller bearings because they simply don’t withstand the high radial loads required for milling. It did take years, even our power users such as home brew shops to experience roller bearing failure but it did happen. That’s why we use bronze bushings not roller bearings.

Whilst our mill design has evolved over time we value our past customers as much as we value potential new customers. We have maintained backwards compatibility whenever we can to ensure parts and serviceability in the future.

27/02/2017
Name : Christian
Location :
Title :
Review : WOW this his by far the best Mill on the market with the best service possible. I mill 22 pound in less then 3 min with perfect uniform crush every time! Commercial grade for home-brewer. Cheers!

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