1, Used for Drilling cured concrete, reinforced concrete with steel bars, asphalt, block, bricks and so on.                       

2, Advantages:                                                                                                                       

1) Fast drilling speed and good quantity of drilling concrete
2) High performance in drilling difficult operating conditions, especially reinforced concrete which contains much steel bars or pebble stone
3) Stable and reliable quality   
4) Factory direct sell, competitive prices.                                                                                                     

3, Welding Types:  Silver or laser welding segmented type.                                                                                          

4, Segment Types: Standard Type, Turbo Type, Roof Type, V-Type, Spiral Type etc.                                                   

5, Connection: M12, M14, M16, M18,11/4 UNC， G1/2", 5-8"-11, 1/4", Snail Lock etc.                                                            

6, Note: Special Customized Logo, Segment Sizes and Shapes, Installations are available by customers’requests.