Holemaker Step Drill Straight Flute 4-12mm - SDST4-12MM

Holemaker Step Drill Straight Flute 4-12mm - SDST4-12MM
Product code: BFSDST4-12MM
Manufacturer code: SDST4-12MM
Holemaker Step Drill Straight Flute 4-12mm - SDST4-12MM

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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
Sizes: 4, 5, 6, 7, 8, 9, 10, 11, 12mm
Step Length: 3.75mm
Overall Length: 65.5mm
Shank Diameter: 6mm