18X24X3BSPCS Precision Granite Comparator Stand with Special Post – Grade B: 18x24x3″
The Precision Granite 18X24X3BSPCS Comparator Stand with Special Post – Grade B has the following specifications:
- Plate Size Inches: 18x24x3″
- Overall accuracy: .0003″
- Toolroom Grade: B
- Black Granite Surface Plate Base Includes Column & Clamp With Fine Adjustment
- Made in the United States of America
- Traceable to NIST or equivalent national or international organization
- Two accuracy certifications included. ISO 17025 accredited cert available at extra charge
Comparator Stand With Special 10″ Post & Clamp
- Includes 1.365″ dia. x 10″ high column with Special clamp
- Approx. 4.75″ throat clearance measured from column to center line of indicator stem
- Special clamp with fine adjustment accepts stem drop indicators
- Special column not available for 8″ x 12″ or smaller
- We stock 1.365″ dia. x 10″ columns
- For higher columns, add $25.00 for each inch over 10″
Precision Granite® SURFACE PLATES are manufactured to meet or exceed the tolerances specified by ASME B89.3.7-2013 and Federal Specification GGG-P-463c. A Precision Granite® Calibration Certificate is included with every surface plate guaranteeing overall surface flatness and repeat gage measurements, and is traceable to N.I.S.T. or equivalent National or International Organization, complies with, ANSI/NCSL Z540-1and ISO 10012 in accordance with our ISO 9001 certified quality system. Long-form certification is available. We are an accredited provider of 17025 Calibration Services.
Precision Granite® plates are made of black granite which is stronger and denser than light colored granite, and more stable. The granite properties determine the stiffness of the granite so accuracies can be guaranteed with less thickness than other types of granite. This translates to less freight and handling whenever the plate is shipped or moved.
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Precision Granite Comparator Stand with Special Post – Grade B
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