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Essential 18x24x3 Granite Surface Plate, A Grade, 4 Ledges While Supplies Last [BXp40l8H]

$50.99 $163.99 -69%

Superior Precision Granite Surface Plate Introducing our top-tier 18x24x3 Granite Surface Plate, designed for unparalleled accuracy and durability. Crafted to meet or exceed the stringent tolerances of Federal Specification GGG-P-463c, this surface p

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Essential 18x24x3 Granite Surface Plate, A Grade, 4 Ledges While Supplies Last [BXp40l8H]

Superior Precision Granite Surface Plate

Introducing our top-tier 18x24x3 Granite Surface Plate, designed for unparalleled accuracy and durability. Crafted to meet or exceed the stringent tolerances of Federal Specification GGG-P-463c, this surface plate is the epitome of precision engineering. With a Calibration Certificate included, every purchase guarantees the highest standards of surface flatness and repeat gage measurements, traceable to N.I.S.T. or equivalent organizations. This product is certified to comply with ANSI/NCSL Z540-1 and ISO 10012, and is produced under our ISO 9001 certified quality system. Choose excellence with our precision granite surface plate.

Key Product Specifications

Experience the superior properties of our black granite surface plate, which is stronger and denser than its light-colored counterparts, offering unmatched stability. The stiffness of the granite ensures accuracy with less thickness, translating to reduced freight and handling costs. Our A Grade, 4-Ledge surface plate boasts an overall accuracy of +/- .000075" and a repeat measurement of +/- .000030". Key specifications include:
  • 18" x 24" x 3" Granite Surface Plate
  • A Grade, 4-Ledge design
These specifications make it an ideal choice for precision applications where accuracy is paramount.

Practical Applications and Benefits

Whether you're a professional engineer or a hobbyist, our precision granite surface plate is the perfect tool for a wide range of applications. Its high accuracy and stability make it ideal for calibration, inspection, and assembly tasks. The benefits are clear: increased efficiency, reduced errors, and improved product quality. Ideal for use in manufacturing, machine shops, and laboratories, this surface plate is a valuable asset for anyone seeking precision in their work. Invest in quality today and experience the difference it can make in your daily operations.

What Our Customers Say

February 2, 2026

Absolutely no complaints!

A great price for a truly, truly great product.

- Marina J..

February 2, 2026

Absolutely no complaints!

This is a very solid, highly impressive piece of gear.

- Aliyah E..

February 2, 2026

Absolutely no complaints!

A great tool that feels exceptionally premium.

- Marshall H..

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