Surface Plate, 4 in Thick, A Grade MPN:88605
Surface Plate, 4 in Thick, A Grade
The Starrett A Grade Surface Plate is a high-precision tool ideal for grade inspection and calibration applications. Made from durable granite, this 4-inch thick plate offers exceptional flatness of 0.000100 in/0.0025 mm, ensuring accurate measurements. Its 12-inch x 12-inch surface size and two-ledge edge style make it perfect for use on inspection tables, workbenches, or as a reference surface for precision instruments. With its long-form calibration certificate and compliance to ASME B89.3.7 and U.S. Federal Specification GGG-P-463c, this surface plate is a reliable choice for industries such as aerospace, automotive, and manufacturing.
Top product features:
- Granite material provides a durable and resistant surface for inspection and calibration.
- Two ledges on the edge of the surface plate allow for secure handling and placement.
- Flatness of 0.000100 in/0.0025 mm ensures precise and accurate measurements.
Top product applications:
- Grade Inspection
- Grade A Surface Plate Calibration
- Long Form Calibration Certificate
- Item Surface Plate, Long Form Calibration Certificate No, Material Granite, Application Grade Inspection, Color Pink, Edge Style Two Ledges, Flatness 0.000100 in/0.0025 mm, Grade A, Length 12 in, Surface Size 12 in x 12 in
- 300 mm x 300 mm, Thickness 4 in, Standards ASME B89.3.7 2013, U.S. Federal Specification GGG-P-463c, Surface Size (In.) 12 in x 12 in, Surface Size (mm) 300 mm x 300 mm, 12 in
Additional Information
- Country of Origin: US
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 15 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 18.00
- Package Width: 18.00
- Package Height: 13.00
- Package Weight: 81.00
Product info last updated on March 1, 2026 6:31am UTC
Category: Measuring and Marking Tools