TWIST DRILL BIT

4-32mm Step drill for metal, 723599

Designed to produce holes in materials made of steel (includes stainless steel), non-ferrous metals and plastic.
Diameter of holes: 4-6-8-10-12-14-16-18-20-22-24-26-28-30-32mm
Number of steps: 15
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

9-36mm Step drill for metal, 723589

Designed to produce holes in materials made of steel (includes stainless steel), non-ferrous metals and plastic.
Diameter of holes: 9-12-15-18-21-24-27-30-33-36mm
Number of steps: 10
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

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