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STEP DRILL BITS FOR HOLE ENLARGEMENT | ALUMINUM BOX | 4-12, 4-20, 4-30, 4-32 MM | 4 PCS. (EB-4346A)

€1959
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Description

Stepped Hole Cutter, 4pcs Titanium Coated, 4-12 4-20 4--32 4--39
Ground drill bit high speed steel (HSS) coated with titanium, drills thinnest sheets without pre-drilling, no burrs, no sticking to the drill chips. Mainly used for machining non-ferrous metals, steel plates and thin plastics. It is used in sheet metal working, locksmith, etc. heating contractor industry.



made of HSS
ground
the drill is coated with titanium which will extend the life six-fold compared to normal HSS drills
drills 4-12, 4-20, 4-32 in steps of 2 mm, the drill 4-39 in increments of 3 mm
Laser cut numbering allows you to control the size of the hole during drilling
cylindrical grip, particularly suitable for all drill chucks with quick-toothed ring