4401-0012 Grade B Granite Surface Plate with Ledge 0, 18" x 12" x 3"```

Description

The HHIP 4401-0012 Grade B Granite Surface Plate with Ledge is a high-quality tool used for measuring the flatness and squareness of other objects. With a precision ground top surface, this plate achieves a high degree of flatness with an accuracy of 0.0001". It is a Grade B (Grade 1) plate that meets or exceeds Federal Specifications GGG-P-463C. Each plate comes with a certificate of inspection for quality assurance (please note that these plates are not NIST traceable). In addition to measuring flatness and squareness, granite surface plates are also used for laying out parts, calibrating instruments, setting up tools, checking parallelism and perpendicularity, and measuring heights with the use of a height gage. They can also serve as a work surface for assembling, inspecting, and marking parts. Made of non-magnetic and non-conductive granite, these plates are harder than steel and do not nick or burr. The HHIP 4401-0012 Grade B Granite Surface Plate with Ledge is available in a size of 18" x 12" x 3" and weighs 80 lbs. It is proudly made in the USA and is manufactured by HHIP, a trusted brand in the industry. This plate is designed to meet the needs of professionals who require a high level of accuracy and flatness in their measurements. Key Features: - Precision ground top surface for a high degree of flatness - Accuracy of 0.0001" - Meets or exceeds Federal Specifications GGG-P-463C - Comes with a certificate of inspection - Non-magnetic and non-conductive granite material Invest in the HHIP 4401-0012 Grade B Granite Surface Plate with Ledge for precise and reliable measurements in your professional work.