Drilling equipment is one of the most famous types of equipment in our country, rich in useful minerals - minerals, oil and gas. It includes drilling rigs, drilling platforms and rigs, drilling rigs, pumps and all kinds of tools for drilling molds. Spare parts for a drilling rig, like any drilling tool, must be evaluated according to several criteria. The first is the material of manufacture. The quality of the material directly affects their strength and durability. Another parameter is compliance with storage conditions. If these rules are violated, the quality of purchased spare parts for the drilling rig can be severely affected, even if it was initially high.