4-20mm Step drill for metal, 723569

Designed to produce holes in materials made of steel (includes stainless steel), non-ferrous metals and plastic.
Diameter of holes: 4-6-8-10-12-14-16-18-20mm
Number of steps: 9
Does not require additional preparing (stippling, drilling)
Does not leave any burrs.
The spiral groove greatly facilitates the drilling of metal.
Made of high-speed tool steel HSS 4241 with a hardness of 62-64 HRC.
Triangular shank prevents slipping in the chuck.
Can be used with quick-release adapters.
Suitable for all types of drills and screw-driving machines.

Made in China

Code: 51561

International shipment available. Please ask for price.