MashMaster Specialised Brewing Equipment
MillMaster Grain Mill

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US $296.52

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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.
Name : Keith
Location : Edmonton, Alberta, Canada
Title : Great crush
Review : After fighting with my last mill trying to grind before a brew day. I started to research grain mills. Specifically ones that either drive the second roller or are hardened. After a lot of reading on brewers forums, I stumbled onto the MillMaster, it checked all the boxes so I decided to order, knowing full well it would take a while to reach Canada. I arrived well packaged and after 20 mins was assembled. It took a while to dial in the crush but after running a few test loads through it I was satisfied with the grind. I love how much faster it grinds that anything else I've used, The flutes seem to pull everything through It never skips a beat and judging by the design, as long as it get regular cleaning and efforts are made to inspect and clean the drive gears, this should be the last mill I should ever have to buy. As a note, I'm milling approx 15-22kg per brew.

Name : Thomas Strand
Location : Trondheim, Norway
Title : MillMaster Grain Mill
Review : Damn good mill. Gear driven rollers means no ripping or tearing, just smooth operation every time. Gap adjustment is simple and precise, and repeatability is good too. Greetings from Norway!

Name : Go Brew
Location : Australia
Title : Awesome!
Review : Have no doubt, this is a superior quality product, don't even think twice about the price as you will not be disappointed. Had mine for 3 years now and have put it to the test with brews every 6 weeks. I love this mill and it is the best piece of equipment in my set up. Friends of mine who have seen it in use comment on how well it is made & what a good job it does. I actually look forward to crushing my grain on brew day thanks to this awesome little unit. If you are thinking about buying a grain mill, look no further! Cheers!

Name : Madhu Pandji
Location : Australia
Title : THE fluted mill for home brewing
Review : I had been using a friend's fluted roller MillMaster MiniMill on and off for awhile, and based on my experience, finally bought my own. I had been looking at other fluted-roller home brew mills for a long time, but there were so many mentions of difficulties and issues. That hasn't been my experience at all with this mill. It mills cleanly, precisely, with a fantastic crush creating consistent grist time after time. It's simple to set up, easy to use, and blazes through kilo after kilo of grain quickly, cleanly and without issue. I don't hesitate recommending this mill to anyone!

Name : rich b
Location : york uk
Title : superb
Review : best mill ever. i used to use the barley crusher and now realise what a pile of junk that was.

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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