Drill Bit 

* Machined from chrome steel fitted with carbide insert brazed at a very high temperature to withstand severe heating when drilling hard materials,
L-shaped flute profile improves dust discharge sand blasted surface. Other industrial surface finish available.
* For drilling in granite, concrete, stone, masonry, tiles and marble.
* Sizes: 10.0-38.0mm; Total Length: 230-505mm
* For hammer drilling machines with hex shank