Starrett 48" x 48" x 8" Cyrstal Pink Grade A Granite Surface Plate, New In Crate

Description

Starrett 48" x 48" x 8" Cyrstal Pink, Grade A, Granite Surface Plate, New In Crate. Calibrated 9/2019 - Never Used, S/N 104801.
Flatness, Accuracy As Calibrated: .000143"
Repeat Reading, Accuracy As Calibrated: .000050"
48” x 48” (1200mm x 1200mm) Crystal Pink® Granite Surface Plate with an 8” (200mm) thickness. Crystal Pink® Granite has the highest percentage of quartz of any granite for superb wear resistance. Grade A (Inspection Grade) for general work in quality control. .000500” (0.0127mm) Flatness unilateral tolerance. Produced without ledges.
Meets or exceeds U.S. Federal Specification GGG-P-463c and ASME B89.3.7 2013 for flatness.
Great surface hardness and wear resistance – the highest percentage of quartz crystals of any granite plate.
Smooth, jewel-like quartz bearing points protect accuracy and finish of both the surface and the tools used on it.
Quality and economy combined.
Comparable to black granite plates while outwearing them as much as 5 to 1.
Meets or exceeds 50 lb per square foot (24kg per 1,000 sq. cm) load bearing specifications. Available in 100 lb (45kg) test series.
Standard-size plates are mounted on resilient support pads, providing isolation from normal vibration and a non-distorting 3-point suspension.
Packed one per crate with skids for forklift handling.
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