Product Specifications
Product Description
Manual Tongs are necessary tools applied to make up and break out pipes. Changing lug jaws and latch steps can adjust different handling sizes of the tongs. They are designed and manufactureed according to API Spec 7K Specification for drilling and well servicing equipment.
Type SDD Q4~17-135 Main Technical Parameters
| No. of Latch Lug Jaw | No. of Hinge Pin Hole | Latch Step | Size Range | Rated Torque(kN.m) |
| in | mm |
| 1# | I | 1 | 4-5 1/2 | 101.6-139.7 | 135 |
| 2 | 5 1/2-5 3/4 | 139.7-146 |
| II | 1 | 5 1/2-6 5/8 | 139.7-168.3 |
| 2 | 6 1/2-7 1/4 | 165.1-184.2 |
| III | 1 | 6 5/8-7 5/8 | 168.3-193.7 |
| 2 | 7 3/4-8 1/2 | 196.9-215.9 |
| 2# | I | 1 | 8 1/2-9 | 215.9-228.6 |
| 2 | 9 1/2-10 3/4 | 241.3-273 |
| II | 2 | 10 3/4-12 | 273-304.8 |
| 3# | I | 1 | 12-12 3/4 | 304.8-323.8 | 100 |
| II | 1 | 13 3/8-14 | 339.7-355.6 |
| 2 | 15 | 381 |
| 4# | II | 1 | 15 3/4 | 400 | 135 |
| 5# | III | 1 | 16 | 406.4 | 80 |
| 2 | 17 | 431.8 |
The company was founded in 2008 in Xi'an City and renamed as Surestrong Machinery Co., Ltd. After reorganization in 2015. Surestrong Machinery Co., Ltd. Is a professional manufacturer and exporter of a complete line of Oilfield Equipments, Bearings and Casting & Forging Parts. We own a factory which was founded in 1996 and located in Taixing City, Jiangsu Province. We have many years of history in the machinery industry. The company is near Xi'an International Trade & Logistics Park, and enjoys convenient transportation.
Through the efforts of our entire staff, we have been exporting our products to many countries such as Egypt, Iran, Canada, Kazakhstan, Mexico, Dubai, Australia and Venezuela, which meet the needs of global market.
The quality of our products are outstanding and we maintains a quality management system in accordance with API, which has been fully aligned with ISO standards.
Our company promises: Reasonable Prices, Reliable Products, Quick Delivery. And we will constantly explore and develop new products in order to gain more opportunities. OEM is also welcome.
We sincerely thank our customers and suppliers for your support and help.
