

Net price: €0.66
Description
Technical data | |
---|---|
Working diameter of drill d | fi 1,7 mm |
Overall length l1 | 76 mm |
Length of working part l2 | 50 mm |
ISO symbol | Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Revolutions n [obr/min] | Total feed rate [mm/min] |
---|---|---|---|---|---|
P | Steel | 12-21 | 0,04 | 3474 | 139 |
K | Cast iron | 10-15 | 0,04 | 2895 | 116 |
Copper and alloys | 12-25 | 0,05 | 3474 | 174 |
Precision long drill bit for metal fi 1,7, cylindrical, long section 1,7 mm for drilling cylindrical through-holes and blind holes. Made in accordance with the dimensional standard NWKb, DIN 340, entirely from high-speed tool steel HSS - High Speed Steel. This is a steel that allows for much higher cutting effects, primarily better accuracy and precision. Long metal drills fi 1,7 cylindrical of this type are also characterized by higher hardness and durability against abrasion under the influence of high temperatures generated during high-speed drilling. They can be used for professional processing of hard materials falling into the category P1.2 - P1.3. These are metals, unalloyed steels, brass and copper alloys, as well as aluminum alloys giving short chips. The drills are designed for professional processing of materials using conventional machine tools, milling machines, lathes and CNC machine tools.
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