Feature(may vary by option.)
●Drilling diameter: 9.00 mm●Countersunk diameter: 14.00 mm●180° flat countersunk for cylinder head screws●Application: steel, aluminium, plastics●High-speed steel, steam coated[M8]
![](https://m.media-amazon.com/images/I/215zDa7HhoL._AC_.jpg)
[M10]
Description
The step drill allows efficient production of flat lowering through holes for cylinder head screws.