IADC637 tricone roller bit

Model:	IADC637
Brand:	JSBIT
Origin:	Made In China
Category:	Industrial Supplies / Other Industrial Supplies
Label:	tricone bit , tricone roller bit , tricone drill bit
Price:	¥290 / pc
Min. Order:	1 pc

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Product Description

1，IADC CODE 537 tricone roller bit

（size）

81/2 ,91/2,121/4,151/2,171/2

（bearing）

(rubber and metal sealed bearing type )

IADC code

117、127、137、217、247、417、437、517、537、547、617、637

2，IADC CODE 537 :

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1）Hard rock teeth apply to : high compressive strength, hard, thick hard mezzanine, such as hard shale, limestone, sandstone, dolomite and so on.
2)Medium hard rock teeth apply to : low compressive strength of the soft to medium strata, medium soft shale, medium soft limestone, medium soft sandstone and medium hard interlayer lamination.
3)Hard rock teeth apply to : low compressive strength of soft formations, such as mudstone, gypsum, salt rock, soft shale, soft limestone.