Set of cone step drills (4-39 mm) 4 pcs.
Description
Cone drill 4-39 mm, due to its unique structure, can drill holes of different sizes.
Unlike conventional drills, you do not need to use a center punch.
No burrs when drilling.
Can be used with a drill, screwdriver.
Sharpened drill made of high-speed steel (HSS) with a titanium coating.
The thinnest sheets without pre-drilling, without burrs, without sticking to the drill. chips.
Mainly used for processing non-ferrous metals, steel plates and thin plastics.
Hole sizes: 4-39 mm
drills 4-12, 4-20, 4-32, 4-39 with a step of 2 mm.
Shank: 6mm (diameter), 25mm (length)
Total length: 78mm
measurement error 1-3mm.
Material: 4241 steel
Additional information
- Weight
- 1 kg
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