oil drilling bits types and diamond core bit suitable hard formation

Create: 07/01/2016

Expired Date:	07/27/2017
Category:	Drilling bits [Equipment&Machinery]
Message:	Place of Origin: Hebei, China (Mainland) Brand Name: Great Model Number: GS1307TZ Type: Center Drill Bit Material: AISI4145H Use: Well Drilling certification: API size: 7-5/8" or as you need Color: Golden Advantage: impact resistance connection: 3-1/2''API Reg Process: forging Application: oil,water and gas and mining well drilling Formation: medium to medium hard Usage: well drilling market: USA,Europe,Canada,Russia,Iran,African






City:	cangzhou Hebei[CN]
Location:

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