Industry quality 5pcs concrete drill bit set

Manufacture, factory price

strict quality control 

plenty experience 
timely delivery 
OEM acceptable

Details

1.Material: Tip, high quality YG8C carbide tip; body,C45 steel/40Cr steel.
2.Sizes:

        4.0 x 75mm (40mm Working Length)

        5.0 x 85mm (50mm Working Length)

        6.0 x 100mm (60mm Working Length)

        8.0 x 120mm (70mm Working Length)

        10.0 x 120mm (80mm Working Length)

3.Manufacturing process: milled.
4.Flute type available: R type, U type, L type, double flutes type etc.
5.Surface finishing: Bright finished,Zinc plated,Chorme plated,Nickle plated, Milled-sand blasted, Black&sliver,Titanium coated.
6.Tip sharpened to provide maximum cutting power.
7.For dirlling in concrete,rock,stone,masonry,marble and breeze block.
8.Special designed flute geometry remove dust from the hole quicker for fast drilling and long life.
The products are produced according to DIN / ANSI standards, we are also capable for OEM and ODM production.

9 packing:plastic box

We contact me by skype:peter_tools