Square Drill Collars

Drill Collar Slips A Series

• Supply Ability: ee your order quantity within 30 days
• Min. Order: 1 Piece/Pieces
• Place of Origin: Foshan City, Guangdong Province
• Productivity: Ten items per day

The drill collar, as a component of the drill string, is an extremely industrialized tubular structure used to drill underground and provide the weight of the drill bit for drilling. It is used in combination with drill pipes. There are mainly smooth and spiral groove types. Our manufacturing process has passed API...

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