Black Stones | McMaster-Carr

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Length

Width

Shape

Color

Plate Shape

Rectangle with Two Ledges

Surface Plate Grade

Laboratory Grade AA

Inspection Grade A

Toolroom Grade B

Height

Thickness

Grit

Abrasive Material

Silicon Carbide

Diameter

Weight

For Use On

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Material

Silicon Carbide

Lubrication

For Finish

Specifications Met

Fed. Spec. GGG-P-463

Grit Rating

Stone Type

Sold As

Belt Length

Belt Width

How can we improve?

81 Products

Fabricating and Machining

Polishing Stones

Polishing Stones

Create a finer, more polished finish on tools, molds, and dies than sanding sticks

Sanding Sticks and Bricks

Sanding Sticks and Bricks

Deburr and smooth larger work surfaces and machine parts than polishing stones

Measuring and Inspecting

Surface Plates

Extremely flat to give an accurate reference plane for layout and inspection work

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)