451.CG0.400.100

Precision Granite Master Cylinders - 400 x 100

Granite Inspection Cylinder

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Granite Inspection Cylinder

TAC Rockford Precision Granite Master Cylinders are the standard for verifying the perpendicularity, straightness, and runout of critical machine axes on high-precision machine tools and CMMs. Manufactured from select, high-density black granite, these cylinders offer unmatched dimensional stability and thermal inertness, making them essential for the most demanding metrology applications.

Standard sizes range from 200mm (7.87in) to 800mm (31.5") in height. Custom diameters, heights, and other special versions available upon request - contact our engineering team for specialized configurations.

Granite Inspection Cylinder (Click image to enlarge)
Granite Inspection Cylinder Diagram (Click image to enlarge)

Cylinder H (mm) D (mm) Perpendicularity (mm) Cylindricity (mm) Part Number
200 x 70   200  70  0.002  0.002        451.CG0.200.070
300 x 80   300  80  0.003  0.003        451.CG0.300.080
400 x 100  400  100  0.004  0.004        451.CG0.400.100
500 x 120   500  120  0.005  0.005        451.CG0.500.120
800 x 160   800  160  0.006  0.006        451.CG0.800.160

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Precision Granite Master Cylinders
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TAC Rockford Precision Granite Master Cylinders are the standard for verifying the perpendicularity, straightness, and runout of critical machine axes on high-precision machine tools and CMMs. Manufactured from select, high-density black granite, these cylinders offer unmatched dimensional stability and thermal inertness, making them essential for the most demanding metrology applications.


Standard sizes range from 200mm (7.87in) to 800mm (31.5") in height. Custom diameters, heights, and other special versions available upon request
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<b>This product has been replaced by:</b>
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