Granite Blocks | McMaster-Carr

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Length

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Plate Shape

Rectangle with Two Ledges

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Surface Plate Grade

Laboratory Grade AA

Inspection Grade A

Toolroom Grade B

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Material

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Plate Length

Specifications Met

Fed. Spec. GGG-P-463

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

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Mobility

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Number of Finished Edges

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72 Products

Surface Plates

Surface Plates

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

Other Products

Surface Plate Stands

Surface Plate Stands

Hold up surface plates at precise support points to maintain accuracy

Calibration Squares

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

Levels

Ensure surfaces are completely horizontal or vertical

Surface Plate Cleaners

Surface Plate Cleaners

Remove dirt and grease from granite surface plates without leaving a residue

Inspection Parallels

Inspection Parallels

Line up workpieces for precise machining, or support them at a level height for inspecting

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