Customization: | Available |
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After-sales Service: | on Site on Line |
Warranty: | 12 Months |
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Oilfield API MD pin & square drive bushing
pin &square drive bushing:
1.drive:square and pin
2.API Spec.7K
3.used for 17 1/2" ~ 49 1/2" rotary tables
1.Pulling out or feeding off string can be done while rotating;
2.Because of its integral construction, it cannot fly out and hurts you.
3.The bushing is easily installed into the master bushing, maintaining good alignment;
4.The contact between Kelly and roller is rolling contact, so friction is lower, and weight on bit is accurate;
5.The Kelly has lower wear and has long life.
FAQ |
Q: How can I place order? |
A:You can contact us by email about your order details, or place order on line |
Q: How can l pay you? |
A:After you confrm our Pl, we will request you to pay.T/T (HSBC bank) and Paypal, Western Union are the most usual ways we are using |
Q: What's the order procedure? |
A: First we discuss order details, production details by email or TM. Then we issue you an Pl for your confirmation.You will be requested to do prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25 days if we don't have the items in stock. Before production has been fnished,we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you. |
Q:How do you take care when your clients received defective products? |
A:replacement. If there are some defective items, we usually credit to our customer or replace in next shipment. |
Q: How do you check all the goods in the production line? |
A:We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure. |