Step drill bits set | with titanium coating | aluminum box | 4-12/4-20/4-30/4-32 mm | 4 pcs. (EB-4346A)

Step drill, 4 pcs. With titanium coating, 4-12 4-20 4--32 4--39

Drill bit made of high-speed steel (HSS), coated with the thinnest layers of titanium drill, no pre-drilling, no burrs, no sticking to chips. Mainly used for machining non-ferrous metals, steel plates, and thin plastics. It is used in bodywork, locksmithing, etc. in the heating contracting industry. Made of HSS

ground

the drill is coated with titanium, which extends its lifespan six times compared to regular HSS drills

drill 4-12, 4-20, 4-32 with a step of 2 mm, drill 4-39 with a step of 3 mm.

Laser numbering allows for control of hole size when drilling

cylindrical handle, especially suitable for all drill chucks with a quick-release ring