To get the 2019 new Tien-I catalog, please click the below link for PDF version.
 Part.1 (4.7mb) Socket and Toolkit |
 Part.2 (3.7mb) Impact Socket |
 Part.3 (1.8mb) Air Chisel |
 Part.4 (2.3mb) Automotive Tools |
If you need more clear picture or detailed product info, please contact with our sales agent .
Office Relocation Notice
We are pleased to inform you that Tien-I Office/Factory will be relocating to the following address on 2020. Our office phone number and Fax num...
Which Brand Provides the Most Powerful Impact Wrench? (comparison table for 2019 models of leading brands)
In the last five years, we have witnessed three major developments in the field of pneumatic impact wrench (air impact wrench) and electric impact wre...
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Differences between DIN and ANSI Specifications for Impact Sockets
Most impact sockets are manufactured to suit ANSI or ASTM specifications as set out by the American National Standards Institute, or to meet DIN speci...
Socket Size Inch & Metric, Download Quick Convert Sheet Between SAE and Imperial Socket Sizes
How to Convert Between SAE and Imperial Socket Sizes? There are two different methods for measuring the hex sizes of sockets. The SAE (Society of...
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Six-Point Sockets vs. Twelve-Point Sockets
Do I need a 6-point socket set or a 12-point socket set?A hex nut has 6 points. Both 6-point and 12-point sockets can be fitted on hex nuts, the prima...
How to Select the Right Spark Socket
A spark plug is an essential component in your engine cylinder. Whether you drive a car or a motorbike, when a spark plug is damaged, all you can do i...
Steel Standard Comparison, CNS, JIS, AISI, ASTM, DIN
The key to precise metal processing is knowing the characteristics of alloy steel or other material. Before commencing mass production of any OEM/ODM ...
How to Use a Universal Joint Socket
Universal joints and universal joint sockets are designed for use in confined places with flexible angles. One would usually assemble a universal join...
How to use Nylon Strap Wrench
The Tien-I's nylon strap wrench is ideal for removing shower heads, sink faucets, pipes and other objects that twist off. It's the must have tool at y...
