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Drag Bit
Thu Nov 30, 2017 21:36
115.197.243.117

API Three Wings Chevron Step Tungsten Carbide Drag Bit/Step T. C Drag Bit                          Bit SizePin Type2-3/4" - 3-1/2"4 THD N-ROD3-5/8" - 4-3/4"2-3/8" API PIN4-7/8" - 5-1/8"2-3/8" API PIN5-1/4" - 5-1/2"2-3/8" API PIN5-5/8" - 6"2-3/8" API PIN6-1/8" - 6-1/4"2-3/8" API PIN6-1/2" - 6-3/4"2-3/8" API PIN5-1/2" - 6-3/4"3-1/2" API PIN6-7/8" - 7-7/8"3-1/2" API PIN8" - 9"3-1/2" API PIN9-1/8" - 10-7/8"3-1/2" API PIN7-7/8" - 8-7/8"4-1/2" API PIN9" - 9-7/8"4-1/2" API PIN10" - 10-7/8"4-1/2" API PIN11" - 12-1/4"3-1/2" OR 4-1/2" API PIN url:http://www.yikuangdrilling.com

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