Rock Polishing Tools

MJR Tumblers

MJR 60/90 silicon carbide coarse grit

60/90 coarse abrasive, clearly distinct from the 36-grade cut.

MJR pouch reads Step 1 coarse, 60/90 silicon carbide.
$14.76Nov 9, 26, 04:19 PM · New York
Price info

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Use and fit

Choose 60/90 when the initial shaping recipe for your rotary machine calls for a coarse cut. It is the first grade in MJR’s documented four-stage kit. If the offer description calls it extra coarse, match the printed 60/90 grade to your recipe.

Specifications

Brand
MJR Tumblers
Listed model
MJR1p60/90
Verified detail
60/90 coarse abrasive, clearly distinct from the 36-grade cut.

Product or manufacturer reference

Questions before buying

How does 60/90 compare with MJR’s 36 grade?

MJR uses 60/90 as the coarse start in its standard four-stage assortment. Choose 36 only where your shaping sequence calls for the extra-coarse cut.

Compare before you buy

The 36-grade pouch is the extra-coarse alternative within the same supplier’s range. MJR 36-grade extra-coarse silicon carbide

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