SAG Mill

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SAG Mill
SAG Mill.png

ModEnder IO
Tooltip textGrinds ore and other items
Add grinding balls to increase output and efficiency
Upgrade with capacitors to increase speed and energy storage
Previous tier
Next tier
RF use30 RF/t
RF storage100,000 RF

The SAG Mill is a machine added by Ender IO. It uses Micro Infinity (µI) to grind (or mill) items into their crushed variants, like Ores into Dusts. The SAG Mill has four output slots; recipes can have 1-4 different outputs, with different chances of obtaining those outputs.

Uniquely, the SAG Mill can use Grinding Balls made from various materials to increase energy efficiency (resulting in higher processing speed), increase bonus output chances, and add a chance to double all output. This makes the SAG Mill a popular option for ore processing, especially for ores with desirable bonus outputs.

Like most Ender IO machines, the SAG Mill requires at least a Basic Capacitor to be installed to function. Better capacitors increase the machine's maximum energy usage rate and thus processing speed, as well as the internal energy buffer.

A SAG Mill is processing Copper Ore

Grinding Balls

Grinding Balls are consumable items that can be placed in the top-right slot of the SAG Mill's GUI. After one is placed into its dedicated slot, the Grinding Ball itself will be consumed upon beginning the first applicable processing job. Its effect continues to last until its durability (shown by a vertical progress bar next to the Grinding Ball slot) runs out. This durability is not like normal item durability; each Grinding Ball lasts for a certain amount of µI used by the SAG Mill.

Apart from durability, Grinding Balls have 3 main stats: Main Output, Bonus Output, Power Use, and Durability.

  • Power Use modifies a recipe's required µI amount by the given percentage. "Power Use: 80%" means a recipe will only require 80% of its default energy cost to be processed. However, the SAG Mill always works at a set energy usage rate; if a recipe requires less energy, the job will be completed faster. Therefore, 80% Power Use equals 25% faster processing speed.
  • Bonus Output modifies chance-based outputs. The given percentage is applied to the base bonus output chance. For example, without a grinding ball, Diamond Ore is ground into two Diamonds, and has a 25% chance of producing a bonus Diamond. With "Bonus Output: 200%", the recipe now has a 50% chance of producing a bonus Diamond, as the base bonus output chance is multiplied by 2.
  • Main Output simply adds a chance to double ALL outputs, including the bonus output. With "Main Output: 120%", there is a 20% chance of the entire output being doubled.

Grinding Balls can only modify specific recipes to prevent duplication of items. For example, Iron Ore grinding can be modified by Grinding Balls and produce bonus output, but pulverizing an Iron Ingot cannot. The SAG Mill will not consume Grinding Ball durability if its current recipe does not support Grinding Balls.

The following is a list of all Grinding Balls and their stats, including grinding balls added through Ender IO's Thermal Foundation compatibility:

Name Material Stats
Main Bonus Power Use Durability (µI)


120% 125% 85% 24,000

Electrical Steel Grinding Ball

Electrical Steel
120% 165% 80% 40,000

Energetic Alloy Grinding Ball

Energetic Alloy
160% 110% 110% 80,000

Vibrant Alloy Grinding Ball

Vibrant Alloy
175% 135% 135% 80,000

Redstone Alloy Grinding Ball

Redstone Alloy
100% 100% 35% 30,000

Conductive Iron Grinding Ball

Conductive Iron
135% 100% 100% 40,000

Pulsating Iron Grinding Ball

Pulsating Iron
100% 185% 100% 100,000

Dark Steel Grinding Ball

Dark Steel
135% 200% 70% 125,000

Soularium Grinding Ball

120% 215% 90% 80,000

End Steel Grinding Ball

End Steel
140% 240% 70% 75,000

Iron Alloy Grinding Ball

Iron Alloy
100% 33% 25% 12,000

Signalum Grinding Ball

120% 165% 35% 100,000

Enderium Grinding Ball

165% 145% 125% 120,000

Lumium Grinding Ball

110% 215% 90% 100,000


FTB Infinity Evolved

Main article: FTB Infinity Evolved