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IADC code 637 tricone bit

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1,尺寸size

152-660 mm  (6-26inch)

2,密封轴承类型  Sealed bearing type

橡胶和金属密封2 kinds Rubber sealed and metal sealed

3,IADC code

IADC code ,117,,127,217,247,437,517,537,617,637

4,连接螺纹

Thread connection

Pin (IF, API REG , NC,FH )

5,应用Application

粘土,泥岩,白垩,石膏,盐岩,页岩,石灰岩,砂岩,白云岩,大理石

Clay, mudstone, chalk, gypsum, salt rock, shale, limestone, sandstone, dolomite, marble