<H1>Starrett Rectangular Ceramic Gage Block Set-Metric System -- MeasureNOW Shopping Cart</H1>
<STRIKE>$3,950.00</STRIKE> <font color=black><B>$3,752.50</B></font>
-- <I>Starrett</I>
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<td bgcolor="#abced6" align="center" width="10%"><b><font face="Arial">Accuracy Grade*</font></b></td>
<td bgcolor="#abced6" align="center" width="28%"><b><font face="Arial">Measuring Range</font></b></td>
<td bgcolor="#abced6" align="center" width="7%"><b><font face="Arial">Blocks Per Set</font></b></td>
<td bgcolor="#abced6" align="center" width="40%"><b><font face="Arial">Blocks Included In Sets</font></b></td>
<td bgcolor="#abced6" align="center" width="11%"><b><font face="Arial">Catalog No.</font></b></td>
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<td bgcolor="#ece9d8" colspan="5"><b><font face="Arial">One Millimeter Base</font></b></td>
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<td align="center"><b><font face="Arial" size="2">B89.1.9 0</font></b></td>
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<td align="center"><b><font face="Arial" size="2">B89.1.9 00</font></b></td>
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<td align="left" width="28%"><p align="left"><font face="Arial" size="2">3.0 Through 450 (Steps of .001 mm)</font></p>
<p align="left"><font face="Arial" size="2">2.0 Through 450 (Steps of .01 mm)</font></p>
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<td align="center" width="7%"><font face="Arial" size="2">45</font></td>
<td align="center" width="40%"><p align="left"><font face="Arial" size="2">9 Blocks 1.001 mm Through 1.009mm(Steps of .001mm)</font></p>
<p align="left"><font face="Arial" size="2">9 Blocks 1.01 MM through 1.09 MM (Steps of .01mm)</font></p>
<p align="left"><font face="Arial" size="2">9 Blocks 1.1 mm Through 1.9 mm (Steps of .1mm)</font></p>
<p align="left"><font face="Arial" size="2">9 Blocks 1 mm Through 9 mm (Steps of 1mm)</font></p>
<p align="left"><font face="Arial" size="2">9 blocks 10 mm Through 90 mm (Steps of 10 mm)</font></p>
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<td align="center"><b><font face="Arial" size="2">RY 45.MA1</font></b></td>
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<td align="center"><b><font face="Arial" size="2">RY 45.MAA</font></b></td>
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<td align="center"><b><font face="Arial" size="2">B89.1.9 0</font></b></td>
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<td align="center"><b><font face="Arial" size="2">B89.1.9 00</font></b></td>
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<td bgcolor="#cccccc" align="left" width="28%"><font face="Arial"><font size="2">3.0 Through 450 (Steps of .005 mm)</font> </font><p><font face="Arial" size="2">2.0 Through 450 (Steps of .001 mm)</font></p>
<p><font face="Arial" size="2">1.0 Through 450 (Steps of .01 mm)</font></p>
<p><font face="Arial" size="2">1.0 Through 450 (Steps of .1 mm)</font></p>
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<td bgcolor="#cccccc" align="center" width="7%"><font face="Arial" size="2">88</font></td>
<td bgcolor="#cccccc" align="center" width="40%"><p align="left"><font face="Arial" size="2">1 Block .5mm</font></p>
<p align="left"><font face="Arial" size="2">1 Block 1.0005 mm</font></p>
<p align="left"><font face="Arial" size="2">9 blocks 1.001 mm Through 1.009 mm (Steps of .001 mm)</font></p>
<p align="left"><font face="Arial" size="2">49 Blocks 1.01 mm Through 1.49 mm (Steps of .01mm)</font></p>
<p align="left"><font face="Arial" size="2">18 Blocks 1 mm Through 9.5 mm (Steps of .55mm)</font></p>
<p align="left"><font face="Arial" size="2">10 blocks 10 mm Through 100 mm (Steps of 10 mm)</font></p>
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<td align="center"><b><font face="Arial" size="2">RY 88.MA1</font></b></td>
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<td align="center"><b><font face="Arial" size="2">RY 88.MAA</font></b></td>
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<td colspan="5"><font face="Arial">With Commercial Grade Calibration and Etched Serial Numbers. (Master Grade Calibration at Additional Cost) </font><p><font face="Arial"><font face="Arial"><a href="http://www.measurenow.com/PDFs/gagetolerancechart.pdf" target="_blank">*Gage Tolerance Chart</a></font></font></p>
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<td colspan="5"><font face="Arial">For individual gage blocks please contact us.</font></td>
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<td width="27%"><p align="center"><img height="132" border="0" width="186" src="https://www.nexternal.com/bcmac/images/cermaic.jpg" /></p>
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<td bgcolor="#ece9d8" width="71%"><p align="center"><b><font face="Arial" size="4">Rectangular Ceramic</font></b></p>
<p align="center"><b><font face="Arial" size="4">Gage Block Sets-Metric System Gage Block Sets in Case</font></b></p>
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<td colspan="2"><font face="Arial"><b><p align="left">Gage Blocks – Major Product Characteristics</p>
</b></font><p align="left"><font face="Arial">Precision gage blocks are the primary standards vital to dimensional quality control in the manufacture of parts. The four major characteristics that are necessary for a precision gage block are <b>accuracy, surface finish, wear resistance and dimensional stability</b>. Other factors are corrosion resistance, hardness, thermal conductivity and coefficient of expansion.</font></p>
<p align="left"><font face="Arial">The base material used for gage blocks is crucial in meeting the above criteria. While many materials have been tried, the major types available today are:</font></p>
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<li><p align="left"><font face="Arial"><b>Traditional High G-Grade Steel</b> gage blocks, which are generally used in shop floor environments. </font></p>
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<li><p align="left"><font face="Arial"><b>Tungsten Carbide </b>gage blocks, which have the advantage of being harder and longer wearing than steel. (Not available from Webber.) </font></p>
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<li><p align="left"><font face="Arial"><b>Ceramic</b> gage blocks have and advantage over regular steel. They will outwear regular steel and they will not corrode. </font></p>
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<li><p align="left"><font face="Arial"><b>Chromium Carbide</b> gage blocks are considered the top of the line-the finest available. They outwear regular steel and ceramic. In addition, they will not corrode and are very stable and accurate, and have exceptional "wringing" qualities. </font></p>
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<li><p align="left"><font face="Arial"><font color="#ff0000" size="5">croblox</font><font color="#ff0000" size="5">® Chromium Carbide</font><font size="4">-</font>the superior gage block material. The reason that our Webber Gage Division emphasizes gage blocks made from Chromium Carbide is because they are the most stable measuring devices ever developed. </font></p>
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<p align="left"><font face="Arial">NO ONE IN THE WORLD EXCEPT STARRETT/WEBBER HAS PRODUCED THE ACCURACY AND STABILITY OF OUR CROBLOX® GRAND MASTERS. They were produced in 1955 of Chromium Carbide material to an accuracy within one millionth of an inch (.0000254 mm) and have been checked periodically by the U.S. National Bureau of Standards and the U.S. National Institute of Standards and Technology (N.I.S.T.) and have remained stable over this period.</font></p>
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<td bgcolor="#ece9d8" colspan="2"><font size="4"><b><p align="left"><font face="Arial">Other Characteristics:</font></p>
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<td colspan="2"><b><ul>
<li><p align="left"><font face="Arial">Accuracy </font></p>
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</b><blockquote><blockquote><p align="left"><font face="Arial">All Starrett/Webber gage blocks meet or exceed all known specifications. The <b>flatness, parallelism and surface finish</b> necessary to achieve the required accuracies are the same as or better than government requirements.</font></p>
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<li><p align="left"><font face="Arial">Stability </font></p>
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</b><blockquote><blockquote><p align="left"><font face="Arial">Starrett/Webber gage blocks do not change in size except through normal wear. Gage block stability is a characteristic that our Webber Gage Division has mastered with over seventy years of experience. Our gage blocks have withstood the test of time.</font></p>
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<li><p align="left"><font face="Arial">Hardness </font></p>
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</b><blockquote><blockquote><p align="left"><font face="Arial">Steel blocks have a Rockwell “C” hardness of approximately 64-65. Chromium Carbide blocks have a Rockwell “C” hardness of 71-73, with an unusually fine, hard grain structure which gives them exceptional resistance to wear and abrasion.</font></p>
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<li><p align="left"><font face="Arial">Thermal Conductivity and Coefficient of Expansion </font></p>
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</b><font face="Arial"><blockquote><blockquote><p align="left">These are not important considerations when measurements are taken in temperature-controlled environments. This is primarily done when measuring to microinches or microns. On the shop floor, where precision measurements are rarely finer than .0002</p>
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<LI>Order Number: RY 45.MA1; RY 45.MAA; RY 88.MA1; RY 88.MAA</P>
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