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Metal drill bit 7.8 long 156/109 HSS DIN 340
Artykuły Techniczne Artykuły Techniczne
0211
Diameter (mm): 7,8140 sizes of this drill
11,11,21,31,41,51,61,71,81,922,12,22,32,42,52,62,72,82,933,13,23,33,43,53,63,73,83,944,14,24,34,44,54,64,74,84,955,15,25,35,45,55,65,75,85,966,16,26,36,46,56,66,76,86,977,17,27,37,47,57,67,77,87,988,18,28,38,48,58,68,78,88,999,19,29,39,49,59,69,79,89,91010,110,210,410,510,610,710,810,91111,111,211,311,411,511,611,711,811,91212,112,212,312,412,512,712,81313,313,513,71414,2514,51515,515,751616,51717,2517,51818,2518,518,751919,2519,520
€2.14 tax inc.
Net price: €1.74
Instant Shipping
W magazynie: 10-100 szt.
Description
Technical data of long drill fi 7.8
| Technical data | |
|---|---|
| Working diameter of drill d | fi 7,8 mm |
| Overall length l1 | 156 mm |
| Length of working part l2 | 109 mm |
Cutting parameters of long drill bit fi 7,8 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 7,8
High-quality long drill bit for metal fi 7,8 with smooth cylindrical shank, made according to NWKb, DIN 340. It is a professional drill bit designed for professional drilling jobs in large workshops and metalworking plants, using conventional drilling machines, lathes and milling machines, as well as modern computer numerical control machine tools in CNC technology. These long metal drills fi 7,8 are characterized by high cutting parameters, which are due to the use of modern high-speed steel HSS (High Speed Stell) for their production. Its properties have an impact on higher drilling efficiency, thus resulting in shorter working time and more rational use of owned machining stations. In addition, high-speed steel drills are very resistant to harsh working conditions, and their blades are resistant to fracture, cracking, chipping, breaking out, which significantly extends the period of their use.
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
Metal drill bit 7.8 long 156/109 HSS DIN 340 Podgląd zdjęć produktu
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