Feature

●Product: HSS/Zr multi-step drill set of 3. 4-12 / 4-20 and 4-32 mm with strong triple shaft for high torque and resistance to breakage.
●Material: continuity intensive HSS – high speed steel with TiZrN coating for reduced wear and perfect chip removal
●Use: for hard materials, VA, aluminium, copper, brass, all non-ferrous metals, sheet steel, plastics, fibreglass up to max. 5 mm
●Comfort: pre-neutralising all-round coating – without chatter marks – with deburring zone edge breaker for direct deburring of the rear cutting surface
●Safety: maximum three-surface shafts in diameter to prevent slipping in the drill chuck and especially for high torques - no breakage, no chatter marks


Description

Description:

Proteco-Tool

2 cutting HSS multi-step drill bits with spiral groove and TiZrN coating.

For hard materials but especially for stainless steel sheets.

With deburring zone (edge breaker) for deburring the rear cutting surface.

A triple shaft to prevent slipping in the drill chuck.

For burr-free drilling, reaming, re-drilling and widening of pipes, sheets and profiles made of CrNi steel (stainless steel VA Inox), non-ferrous metals, mild steel, plastics and plexiglass.

Technical data: Material: HSS – TiZrN coated.

Sizes: 4-12mm in 5 steps (4 6 8 10 12mm), 4-20mm in 8 steps (4 6 8 10 12 14 16 18 20mm), 4-32mm in 15 steps (4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 mm)

Surface: coated.

Shaft: triple shaft prevents slipping

Shaft Dia. 6, 8 and 10 mm.

Application: up to 5 mm material thickness.

Summary: coating for hard materials and increased service life.

Spiral groove for optimal chip removal, especially for non-breaking chips.

Very smooth running without chatter marks.

Lasered size details on the steps.

Plastic cassette.