Our company is leader in professional and specialized tungsten carbide tipped (TCT) hole saw and hole cutter.  The products are designed for the drilling on various steel materials such as stainless steel sheet, iron plates, construction steel, I-beam steel,stainless steel pipes etc.  In addition to we show to our new line of hole saws ?hot tapping . They are used on  cutting gas pipes, oil pipes etc. We are welcome OEM and ODM inquiries. You can also visit our web site : www.holesaw.com.tw