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Drill 7.3 long 156/102 HSS DIN 340
Artykuły Techniczne Artykuły Techniczne
0206
€1.78 tax inc.
Net price: €1.45
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In stock > 10 pcs.
Description
Technical data of long drill fi 7.3
| Technical data | |
|---|---|
| Working diameter of drill d | fi 7,3 mm |
| Overall length l1 | 156 mm |
| Length of working part l2 | 102 mm |
Cutting parameters of long drill bit fi 7.3 mm HSS NWKb
| 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 | 0,06 | 546 | 33 |
| K | Cast iron | 10-15 | 0,06 | 455 | 27 |
| Copper and alloys | 12-25 | 0,08 | 546 | 44 |
May be useful
Cutting parameters calculator
Long drill bit for metal fi 7,3
Ground long drill bit for metal fi 7,3 with cylindrical shank intended for machining of very hard materials classified in the category marked with the symbol P1.2 - P1.3. These are mainly unalloyed steels (carbon), metals, copper and aluminum alloys that give short chips, as well as non-ferrous metals and thermoplastics. Long drills for metal fi 7,3 offered in our store comply with the dimensional standard NWKb, DIN 340, have 2 central blades, strong ground cutting edges, a tip angle of 118 degrees and special grooves for quick removal of chips from the drilled hole. Drills of this type are characterized by very high cutting efficiency, which reduces working time and makes better use of the processing stations available. In addition, the drills allow very precise drilling (holes with low roughness). Also noteworthy is the high strength of the drill blades to withstand harsh working conditions and resistance to any mechanical damage caused during the processing of hard materials at high speed, during which a high temperature is generated (up to 600 degrees C). The drills are suitable for conventional drilling machines, milling machines, lathes and modern CNC-controlled automatic machining machines.
Read more LessProduct accessories
HSSE 7.3 cobalt metal drill bit DIN 338
Reference: 0000011285 In stock > 10 items
€2.63
€3.24 brutto
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| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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