CONICAL STEP DRILL MULTI-DIAMETER 9 STEPS Ø 4 → 12 mm

For drilling all materials except copper, ø 4 to 12 mm, for boring, making round holes out of notches. A real timesaving : no bit to change, drill direct with no preparation. Easy to sharpen : only the neck, no need to sharpen the bearings. The bits are made from high strenght treated steel Molybdenum M2. Please keep to recommended rotation speeds : 1000 revolution / mn.


Article number Number of references Number of parts Conditioning
2104 1 1 SKIN

For any other conditioning / quantity.

Send your request to info@restagraf.com

For drilling all materials except copper, ø 4 to 12 mm, for boring, making round holes out of notches. A real timesaving : no bit to change, drill direct with no preparation. Easy to sharpen : only the neck, no need to sharpen the bearings. The bits are made from high strenght treated steel Molybdenum M2. Please keep to recommended rotation speeds : 1000 revolution / mn.