Step drills Astro Rivet Nut Hog

Step drills Astro Rivet Nut Hog, for expanding holes and removing threaded rivets. 

These drills from the American supplier "Astro Pneumatic Tool®" are designed to perform two main tasks:
- expansion of existing holes to the required size;
- removal of unnecessary rivet nuts from the holes by drilling them;

These drills are CNC machined from high-strength steel, so the strength and accuracy of the form is ensured. The specially tapered edges of the steps and the tip pointed at an angle of 135° are perfect for drilling more than 30 different types of threaded rivets - from M3 to M12. For convenience, a table of correspondence between the dimensions of the drill steps and hole diameters is plotted on the package.

Supplier: USA

Manufacturer: Taiwan