1,tci tricone bit.tci rock bit 2,certified by API 3,best price 4,wide size code 5,delivery on time

1,tci tricone bit.tci rock bit

2,certified by API

3,best price

4,wide size code

5,delivery on time

Size and types availableSize: Common sizes, 6.6-1/2, 7-7/8, 9-7/8, 10-5/8, 12-1/4Various sizes also can be manufactured by the clients order.Types: IADC Code, 127, 137,216,337,437,517,537,547,617,637,737 etc.

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