The teeth of our holesaws are Curved,this design can guarantee for longer life.This is the main superiority of our holesaws

The description of 8PC H.S.S Bi-metal HoleSaw set:

• Can be used in portable electric or pneumatic tools, vertical drillmachines, and other machine tools.
• For heavy duty cutting in stainless steel, pipes, aluminum, cuprum, hardwood, plywood and plastics.
• The set includes 7/8"(22mm)1-1/8"(29mm),1-3/8"(35mm),1-3/4"(44mm),2"(51mm),2-1/ 2"(57mm) Bi-Metal HoleSaws, 2PC Matching  holesaw Arbor .
• DoubleTooth designed to strengthen each holesaw tooth for longer life  
• Sharper Tooth Geometry cuts material faster for faster drilling.
• Increased high speed steel height (highest in the industry) improves holesaw durability      
• Open eyelets provide for easier removal of cut materials and increased visibility while cutting. 

Tony
ManagerHangzhou wanrong tools co.,ltd
No12 Dingshan Rd,Wenyan,Xiaoshan,Hangzhou,China
Tel/Fax:+86 571 82300635/+86 571 82307339
Email:tony@wrtools.cn; wrtools121@gmail.com
MSN:wr-tony@hotmail.com
www.wrtools.en.alibaba.com