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Offer type: salePublished: 03.09.2016
Castle for drill pipe made of AISI 4137 premium alloy steel fully and machined with CNC lathes. All connections are phosphated, coated with lubricant and provided with thread protectors. All tool joints should be inspected at full length by fluorescence magnetic particle and ultrasonic method. the locks are designed for pipes from 2 3/8 "to 6 5/8", grade is E 75, G 105 and S 135; upset style is EU, EVI or ME.
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