<http://schema.org/description>
"This 20&amp;quot; spiral cutterhead can be used to upgrade the G0454W or as a factory replacement for the G0454ZW. Cutterhead features 4-rows of indexable carbide inserts and includes a total of 98 inserts. Insert size is 14 x 14 x 2mm. Each insert is held in place by a T20 M6-1 x 15 flat head Torx screw. Cutting diameter is 81mm (3-3/16&amp;quot;). &amp;lt;p&amp;gt;&amp;lt;b&amp;gt;Note:&amp;lt;/b&amp;gt; Installation of cutterhead usually requires replacement of cutterhead bearings, which would be (2) 6206ZZ ball bearings (Grizzly part# P6206ZZ), which are sold separately."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.grizzly.com/products/20-Spiral-Cutterhead-for-G0454W/T27452>