Granite Plates | McMaster-Carr

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Length

Width

Plate Shape

Rectangle with Two Ledges

Surface Plate Grade

Laboratory Grade AA

Inspection Grade A

Toolroom Grade B

Height

Color

Mount Type

Weight

Material

Base Length

Specifications Met

Fed. Spec. GGG-P-463

Shape

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Arm Length

Plate Length

Arm Type

Mounting Stem Diameter

Surface Accuracy

-0.0005" to 0.0005"

-0.00025" to 0.00025"

-0.0001" to 0.0001"

-0.00005" to 0.00005"

Base Width

Plate Height

Upright Post Height

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81 Products

Surface Plates

Granite Surface Plates

Granite Surface Plates

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

Other Products

Variance Indicator Holders

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

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

Surface Plate Cleaners

Surface Plate Cleaners

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

Levels

Ensure surfaces are completely horizontal or vertical

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