Features & Benefits
- Grade B (Grade 1)
- Accuracy is +/-0001
- Checked by an auto-collimator for overall accuracy assurance
- Meets or exceeds Federal Specifications GGG-P-463C
- Includes a certificate of inspection
- Not NIST traceable
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Harder than steel and does not nick or burr.
| Package Weight | 77 Pound |
Ideal for machinists requiring a reliable flat surface for accurate measurements and alignment of precision tools.
Perfect for inspectors who need a stable and flat surface for inspecting and measuring manufactured parts.
Great for hobbyists engaged in model building or DIY projects that demand precision and a stable work surface.
Not suitable for larger mechanical projects that require a more extensive surface area for tooling and assembly.
HHIP Black Granite Surface Plates (Various Sizes: 12 x 9 x 3" - 48 x 72 x 6")
This product is a granite surface plate, mainly used as a baseline for all measurements to a workpiece. The product is sourced from China and is not NIST traceable. The sides of the surface plate are not made to a specific tolerance. The thicker the material, the better the platform. The surface plate is solid and flat, used as the main horizontal reference plane for precision inspection, marking out (layout), and tooling setup. The reviews are mix as some customers have reported the product arriving damaged due to poor packaging. Some of the customers found it to be of high quality and excellent for the price while others received plates with manufacturing defects and are disappointed with their purchase.
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