• 2014-11-28
  • First, don't use chrome socket on the impact gun for your own security.Other than colors, Tien-I Impact socket got very difference with Chrome socket in material and manufacturing process. The design applications for both sockets are also different.& ...
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  • 2014-11-12
  • The torque is one of the most important requirement for the hand-tool. Before we start to introduce the torque, we may need to briefly go through how to measure "torque". Below the picture shows torque is the "length" multiply by "force". Little phys ...
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  • 2014-10-15
  • Compared with CR-V socket, CHROME MOLYBDENUM STEEL (CR-MO) Impact socket have much better ability of absoring resistance, which means more flexible and durable for continuously repeated application. With molybdenum, CR-MO got below ben ...
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  • 2014-10-08
  • To make the good tools, you must select good quality steel. That's why Tien-I chose Chrome Vanadium Steel only from Taiwan. Chrome Vanadium Steel is called CR-V. It is iron alloyed with Chrome and Vanadium. It shows high resistance to corrosion ...
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  • 2014-10-01
  • Carbon Steel is very common type of steel. The percentage of carbon will decide whether the steel is high, middle or low carbon steel.  With more carbon, the hardness of steel will go higher. Usually lower carbon steel is suitable for forging or ...
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