Steelmaster SD4-20MM Spiral Flute Step Drill Set - 4-20mm
Steelmaster
The Titanium Nitride coating significantly increases the tool life by providing the following benefits:
Increased surface hardness to 85HRC
Ceramic surface, reducing friction by up to 30%
Especially resistant to cold welding
Suitable for cutting a wide range of materials
Increased surface hardness to 85HRC
Ceramic surface, reducing friction by up to 30%
Especially resistant to cold welding
Suitable for cutting a wide range of materials
| Part No. | Sizes Included | Step Length |
Over All Length |
Shank Diameter |
| SD4-20MM | 4, 6, 8, 10, 12, 14, 16, 18, 20mm |
3.0mm | 74.5mm | 8mm |
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