&#60;p&#62;Our standard crossovers for HDD are machined from 42Cr Steel. This is a quality carbon steel which a high tensile strength, ideal for most HDD drilling applications. With our background in oil and gas tooling production, Kampen Machinefabriek is also able to offer crossovers fabricated from other high tensile carbon steels. We keep stock of several types of steel suitable for downhole tools including 4145 and 4130, which are two common steels used in oil and gas for crossover fabrication.&#60;/p&#62;&#13;&#10;&#13;&#10;&#60;p&#62;All crossovers manufactured by Kampen Machinefabriek can be supplied with mill certificates for the material used in fabrication of our crossovers.&#38;nbsp;&#60;/p&#62;&#13;&#10;&#13;&#10;&#60;p&#62;All our API gauges are inspected and certified and we have full ISO&#38;nbsp; 9001 2015 certification.&#60;/p&#62;&#13;&#10;&#13;&#10;&#60;p&#62;You cannot beat the price / delivery time / quality ratio that Kampen Machinefabriek offers on our crossovers. Try our Crossover Designer today!&#60;/p&#62;&#13;&#10;