Granite Surface Plate 6 By 8 By 2 Inches Grade B 0 Ledge Precision Ground For Flatness Plus Minus 0.0001 Inch Machining Reference Tool Meets GGG P 463C Certificate Of Inspection Included

Premium Granite Surface Plate for Machining Accuracy, 6x8x2 Inches
✔️ Grade B precision ground to ±0.0001 inch flatness, meets GGG-P-463C specs with inspection certificate.

This granite surface plate is a solid reference tool used in machine shops and labs for precise measurements, helping to check flatness, align parts, and calibrate instruments for reliable results.

✅ Precision ground to ±0.0001 inch flatness accuracy
✅ Meets or exceeds Federal Specification GGG-P-463C
✅ Includes certificate of inspection for quality assurance
✅ Non-magnetic and non-conductive for versatile applications
✅ Ideal for measuring squareness, parallelism, and heights

💡 Why do machinists rely on granite for exact flat surfaces in their setups?
Granite delivers unmatched stability for precision tasks. Here's how it stands out:
- Ensures long-lasting flatness that beats metal alternatives
- Blocks magnetic interference during sensitive measurements
- Handles heavy use without warping for consistent accuracy
- Cuts down on errors in assembly and inspection processes