8pcs/set drill bits set(drill bits)

Samples please purchase from our Ali express shop: /store/101301 
8pcs/set  drill bits set(drill bits)
1)Unique carbide tip accelerates drilling speed and reduces wear

2) In combination with various types of electric hammer

3) All sizes are in detail as below:

5,6,8*110mm 1pcs each

6,8,10,12*160mm 1pcs each

8*210mm 1pcs each

4) Suitable and widely used for hole drilling in hard materials like concrete and bricks and other masonry in construction and installation industries
Remark:we also could produce german design drill bits by German auto-brazing machine.