&#60;p&#62;We independently source the most suitable non-magnetic material for our customer&#38;rsquo;s application. We will only use oil field grade non-magnetic alloys (eg P530, P550, AG17, Datalloy etc) for downhole purposes and have material certificates available for everything we manufacture.&#60;/p&#62;&#13;&#10;&#13;&#10;&#60;p&#62;We can supply non-magnetic assemblies in all sizes, from 3&#38;rdquo; OD to 9 5/8&#38;rdquo; OD and our Drill collars are manufactured to the customers&#38;rsquo; requirements in any length from 3m to 10m.&#60;/p&#62;&#13;&#10;