API 7K Type B Manual Tongs for Wellhead Tools

Type- B Manual Tongs | Clamping Pliers Number | Latch Step | Clamping Pipe Diameter Range | Maximum Torque | |
in | mm | kN·m | |||
5a | 1 | 3.3/8"-4.1/8" | 86-105 | 55 | |
2 | 4.1/8"-5.1/4" | 105-133 | |||
5b | 1 | 4.1/4"-5.1/4" | 108-133 | 75 | |
2 | 5"-5.1/4" | 127-146 | |||
3 | 6"-6.3/4" | 152-171 | |||
5b-1 | 1 | 5"-6" | 133-146 | ||
2 | 6"-7" | 146-168 | |||
3 | 7"-8" | 168-208 | |||
5c | 1 | 6.5/8" -7.3/8" | 168-187 | 75 55 | |
2 | 7.3/8"-8" | 187-203 | |||
3 | 8.1/2"-8.5/8" | 216-219 | |||
5d | 1 | 8.1/2"-9.5/8" | 216-244 | 55 | |
2 | 10.5/8"-10.3/4" | 270-273 | |||
5e | 1 | 11.3/4" | 298 | ||
2 | 12.3/4"-13 | 324 | |||
5e1 | 1 | 10.3/4" | 273 | ||
2 | 11.3/4" | 298 | |||
5e3 | 1 | 13" | 330 | ||
13.3/8" | 340 |





Founded in 2009, Nantong Percent Precision Manufacturing Co., Ltd. stands as a beacon of innovation and excellence in the realm of petroleum drilling. With over a decade of expertise, we specialize in crafting an extensive range of handling and wellhead tools, including Elevators, Slips, Spiders, Manual Tongs, Power Tongs, Dies, and Inserts, utilized globally. Our unwavering commitment is encapsulated in our three core principles: unparalleled service, uncompromising product quality, and absolute customer satisfaction.
As a trailblazer in the industry, Nantong Percent Precision Manufacturing Co., Ltd. is equipped with its own state-of-the-art factory, propelling us to the forefront of R&D, production, and sales of petroleum drilling handling and wellhead tools. Our cutting-edge technological innovations ensure we provide premium-quality oil drilling tools and bespoke solutions tailored to our clients' specific needs. Our dedicated Engineering and Manufacturing Departments are poised to deliver custom-made oil drilling tools for unique and challenging applications.
We aim to be the partner of choice for buyers worldwide by delivering products that surpass expectations. We stand by our promise that you will be delighted with our commitment to quality and service excellence!
1. Do you have OEM service? Do you supply the parts?
Yes, we do, as long as you provide us your drawing and detailed requirements.
2. How can we easily find out the most fit centrifuges?
We have experienced engineer team to help you make the model selection, as long as you proide us the detailed processing material characteristics.
3. What is your advantage compared with your competitors?
Quality and experience. We are the top supplier in China, our designs and structures are similar to world leader , Westfaliar, Flottweg etc.
4. How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection(including magnetic particle inspection, ultrasonic testing and loading testing). We check the goods when they go into next step production procedure.
5. What's the order procedure?
A: First we discuss order details, production details by email. Then we issue you an PI 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 20-30days 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.
6. How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T and L/C are the most usual ways we are using.
7. 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.