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8 1/2 inch API tricone bit/TCI tricone bit
Sizes and types available: Size: Common sizes, 6.6-1/2, 7-7/8, 9-7/8, 10-5/8, 12-1/4 Various sizes also can be made to order. Types: IADC Code, 412, 432, 532, 612, 632, 712, 732, 832 etc.
Notes:Non standard items also can be made as your samples .
we welcome your enquiry at any time.
Best Quality 8 1/2 inch API tricone bit/TCI tricone bit