Surface Plate, 4 in Thick, B Grade MPN:88617
Surface Plate, 4 in Thick, B Grade
This 4-inch thick B-grade granite surface plate from Starrett is a precision toolroom surface plate designed for applications requiring high accuracy and stability. Its 12 x 18-inch surface provides a large, flat area for laying out and checking workpieces. The surface plate's flatness is guaranteed to be within 0.000200 inches, making it ideal for use in toolroom and inspection applications. Its durability and resistance to wear and tear make it a reliable choice for industries such as aerospace, automotive, and manufacturing. Its compact size and weight also make it easy to store and transport.
Top product features:
- Two Ledges provide a secure and stable surface for placing tools and equipment.
- The Granite material provides high durability and resistance to wear and tear.
- The Surface Plate is calibrated to a flatness of 0.000200 in/0.0050 mm, ensuring accurate measurements and precise results.
Top product applications:
- Toolroom
- Grade Toolroom
- Grade Toolroom
- Item Surface Plate, Long Form Calibration Certificate No, Material Granite, Application Grade Toolroom, Color Pink, Edge Style Two Ledges, Flatness 0.000200 in/0.0050 mm, Grade B, Length 18 in, Surface Size 12 in x 18 in
- 300 mm x 200 mm, Thickness 4 in, Standards ASME B89.3.7 2013, U.S. Federal Specification GGG-P-463c, Surface Size (In.) 12 in x 18 in, Surface Size (mm) 300 mm x 450 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 10 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 18.00
- Package Width: 24.00
- Package Height: 13.00
- Package Weight: 111.00
Product info last updated on April 10, 2026 4:44pm UTC
Category: Measuring and Marking Tools