Well drilling Drill Pipe Tool Joint with API certificate

Product Description Product Description Tool joints of our company are made of modified alloy steel, then fully heat treated. So the mechanical properties in accordance with API specifications, such as strength, hardness and impact strength are gaged to standard. All connections are gaged to API Spec. and phosphatized or copper plated for anti-galling treatment & resistance to corrosion. Features 1. API standard drilling cross-over sub 2. BOX x BOX, BOX x PIN, PIN x PIN 3.