Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
By IADC Codes
- Rock Bit Size 4 3/4" IADC 211 Tooth Type
- 1 Pieces
- USD $500 - 30,000 / Piece
- TCI 17 1/2"(444.5mm) IADC code 537- 637 well drill bits for sale
- 1 Pieces
- USD $1,000 - 3,000 / Piece
- Zhongcheng Good quality 8 1/2" IADC code 637 G tricone bit
- 1 Pieces
- USD $1,000 - 3,000 / Piece