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Месяц | Минимальная цена | Макс. стоимость |
---|---|---|
Sep-15-2025 | 0.70 $* | 0.64 $* |
Aug-15-2025 | 0.67 $* | 0.27 $* |
Jul-15-2025 | 0.94 $* | 0.72 $* |
Jun-15-2025 | 0.63 $* | 0.0 $* |
May-15-2025 | 0.21 $* | 0.94 $* |
Apr-15-2025 | 0.44 $* | 0.62 $* |
Mar-15-2025 | 0.98 $* | 0.81 $* |
Feb-15-2025 | 0.14 $* | 0.89 $* |
Jan-15-2025 | 0.74 $* | 0.45 $* |
Rotary slips can accommdate drill pipe from 2 3/8" to 5 1/2" (60.3mm to 139.7mm) OD. they are classified as type short(SDS), Medium(SDML) and Extra Long(SDXL) according to gripping length. SDS slips are designed for shallow hole drilling. SDML slips are the perfect choice for all medium depth drilling, SDXL slips are designed for deep drilling.
There are three types of DU Series Rotary Slips: DU, DUL and SDU. They are with large handling range and light weight. Thereinto, these slips have larger contact area on the taper and heat-treated for strength and wear resistance.
They are designed and manufactured according to API Spec 7K.
Rotary Slips can accommdate drill pipe from23/8-51/2 inch(60.3-139.7mm)O.D.. They are classified
as type Short(SDS), Medium(SDML) and Extra Long(SDXL) according to gripping length. SDS slips
are designed for shallow hole drilling, SDML slips are the perfect choice for all medium depth drilling,
SDXL slips are desinged for deep drilling.
Model | Size of Slip bodies | 41/2 | |||||
DU | DP OD | in | 23/8 | 27/8 | 31/2 | 4 | 41/2 |
mm | 60.3 | 73.0 | 88.9 | 101.6 | 114.3 | ||
DUL | DP OD | in | 23/8 | 27/8 | 31/2 | 4 | 41/2 |
mm | 60.3 | 73.0 | 88.9 | 101.6 | 114.3 | ||
SDU | DP OD | in | — | — | — | — | — |
mm | — | — | — | — | — | ||
Model | Size of Slip bodies | 51/2 | |||||
DU | DP OD | in | 31/2 | 4 | 41/2 | 5 | 51/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
DUL | DP OD | in | 3.1/2 | 4 | 4.1/2 | 5 | 5.1/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
SDU | DP OD | in | 31/2 | 4 | 41/2 | 5 | 51/2 |
mm | 88.9 | 101.6 | 114.3 | 127 | 139.7 | ||
Model | Size of Slip bodies | 7 | |||||
DU | DP OD | in | 41/2 | 5 | 51/2 | 65/8 | 7 |
mm | 114.3 | 127 | 139.7 | 168.3 | 177.8 | ||
DUL | DP OD | in | — | — | — | — | — |
mm | — | — | — | — | — | ||
SDU | DP OD | in | 41/2 | 5 | 51/2 | 65/8 | 7 |
mm | 114.3 | 127 | 139.7 | 168.3 | 177.8 |
Dongying Zhaoxin Industry and Trade Co.,Ltd is an ISO-9001, ISO-14001, OHSAS-18001 certified company and has all the quality systems in place for design, planning,manufacturing and quality monitoring & traceability to ensure that Dongying Zhaoxin Industry and Trade Co.,Ltd products match the highest quality & reliability Standards similar to any International major in this field.
Dongying Zhaoxin Industry and Trade Co.,Ltd with perfect attitude, product and service, is going to make further development together with customers at home and abroad .
1) How can I place order?
A: You can contact us by email about your order details, or place order on line.
2) How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T (HSBC bank) and Paypal, Western Union are the most usual ways we are using.
3) What’s the order procedure?
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 7-15days if we don’t have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
4)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.
5)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.
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