I n d i a n a p o l i s,  I n  d  i  a  n  a

Choose the right blade or bit for your location.  Below is an aggregate hardness map for reference.

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Aggregate Key

Soft Limestone, Sandstone, Dolomite Limestone, Siliceous, Soft Shell

Soft

Pit Gravel, Limestone, Dolomite

Medium Soft

Medium Hard River Rock, Medium Traprock, Decomposite Granite, Medium Crushed Gravel

Medium

Granite, Slate, Traprock, Granite, Medium Crushed Gravel

Medium Hard

Hard Chert, Quartz, Flint Rock, Hard River Rock

Hard

Aggregate Hardness

(United States)

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