Samples please purchase from our Ali express shop: /store/101301 
drill bits

Features:

1)Auto brazing drill bits are made of high-quality alloy structured steel (42CrMo)  with special grade imported carbide tip (DK30)

2)Our top quality manual brazing drill bits are available as well(40Cr body with high quality carbide YG8C)

3)Application:concrete ,clinker,masonry,stone,tile

4)Flute available :W flute,U flute,L flute

5)Carbide: point style carbide,head one "-" type carbide and Cross(+) style carbide

6)We can offer different  finish :  Cobalt finish, Galvanized finish, Nickel Plated finish,  Black and white finish, black finish,  Sandblasted  finish.   

7)We also offer drill bits set..

Packaging & Delivery:

Company advantage:

1.20 years professional manufacturing experiences
2.We only produce medium and high quality products ,who OEM to many famous brands

Company Profile and Products in detail:

    Our normal flute style and nice design  packing