<http://schema.org/description>
"One-piece construction and made from the best materials, these R-8 collets have the edge in performance over the run-of-the-mill standards found in the market today. Total indicated runout is less than 0.00059&amp;quot;. Made to exact specifications using carefully chosen materials, these collets and sleeves will give you accurate and durable service. Hardened to 55-60 (Rockwell C) on all clamping surfaces and 40-45 on the body spring portions, they are then precision ground to fit your fixture, socket or holder to better than industry standards. Takes 7/16&amp;quot;-20 drawbar.&amp;lt;p&amp;gt;&amp;lt;li&amp;gt;Size: R-8 collet 9/16&amp;quot;"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.grizzly.com/products/Collet-R-8-X-9-16-Inch/SB1340>