Parveen Industries Pvt. Ltd. offers Drill Collars. The Drill Collars falls in the category of Tubular, Drilling and Work- over Tools and Cementing Tools. Parveen Industries Pvt. Ltd. is an ISO 9001: 2000 certified company. The drill collars are made from ultrasonically tested bars of Chrome Molybdenum Alloy Steel and available in all sizes and connections as per API STD 7 & API-RP 7G in Range 2. The drill collar bars are fully heat treated to 285 to 341 BHN and Charpy impact value of 40 ft. Lb.