Feature
●Product: 2 cutting TIAlN multi-step drill bits with spiral groove, sizes: 6 - 38 mm in 12 steps (6 9 13 16 19 21 23 26 29 32 35 38 mm)
●Surface: titanium aluminium nitrite coating for reduced wear
●Use: for hard materials but especially stainless steel, up to 5 mm material thickness
●Comfort: with deburring zone edge breaker for direct deburring of the rear cutting surface
●Safety: triple shaft to prevent slipping in the drill chuck, no chatter marks
Description
Proteco tool multi-stage drill
proteco tool
HSS/TiALN professional multi-stage drill bit
2 cutting edges HSS multi-stage drill with spiral groove and TiALN (titanium aluminium nitrite) coating.
For hard materials but especially for stainless steel sheets.
With deburring zone (edge breaker) for deburring the back cutting surface
A three-surface shaft to prevent slipping in the drill chuck.
For burr-free drilling, rubbing, redrilling and expanding pipes, sheet metal and profiles made of CrNi steel (stainless steel VA stainless steel), non-ferrous metals, mild steel, plastics and plexiglass.
Summary: TiALN coating for hard materials and increased service life
Spiral groove for optimal chip removal, especially for non-breaking shavings
High smoothness without chatter marks
Important details:
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Deburring zone/edge breakerWith deburring zones on the drill step 10 mm. For deburring the drill holes on the back. |
Triple shaftWith a three-surface shaft to prevent slipping in the drill chuck. We recommend use on high-torque stand drills |
Spiral grooveSpiral groove for optimal chip removal, especially for non-breaking chips such as stainless steel. |
Set of 3Also available as a set with drill sizes 4-12mm, 4-20mm and 4-32mm |
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| Step drill 4 - 20 mm | Step drill bit 6 - 30 mm | Step drill 4 - 32 mm | Step drill bit 6 - 38 mm | Step drill 10 - 45 mm | Set of 3 pieces | |
| Size: | 4 - 20 mm in 8 steps (4, 6, 8, 10, 12, 14, 16, 18, 20 mm) | 6 - 30 mm in 13 steps (6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 mm) | 4 - 32 mm in 15 steps (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mm) | 6 - 38 mm in 12 steps (6,9,13,16,19,21,23,26,29,32,35,38 mm) | 10 - 45 mm in 8 steps (10, 15, 20, 25, 30, 35, 40, 45 mm) | 3 pieces with 4-12/4 - 20/4 - 32 mm |
| TiaLn coating all around | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Triple shaft | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Shank diameter | 8mm | 10mm | 10mm | 10mm | 12mm | 6, 8 and 10 mm |
| edge breaker | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Spiral groove | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
