Non-Magnetic Drill Collar
Made of chrome manganese low carbon austenitic alloy, has been tested for years of complex drilling situation, with the complete production line that adopt the latest technology including melting, forging, machining and heat treatment , the quality is controlled accurately. All threads are cold worked, and they are machined with CNC Lathes.
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More Details can be obtained by intlmarketing@hueic.com or www.hueic.com