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Metal drill bit 7.4 long 156/102 HSS DIN 340
Artykuły Techniczne Artykuły Techniczne
0207
Diameter (mm): 7,4140 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
€1.85 tax inc.
Net price: €1.50
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W magazynie: +100 szt.
Description
Technical data of long drill fi 7.4
| Technical data | |
|---|---|
| Working diameter of drill d | fi 7,4 mm |
| Total length l1 | 156 mm |
| Length of working part l2 | 102 mm |
Cutting parameters of long drill bit fi 7,4 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 7,4
Specialized long drill bit for metal fi 7,4 twist, with smooth cylindrical shank for drilling through-holes and blind holes in hard and hard-to-machine materials. Designed for professional processing in large metalworking plants using not only conventional drills, milling machines and lathes, but also modern CNC computer-controlled machine tools. Long drills for metal fi 7,4 of this type have 2 blade centers, an angle of 118 degrees, strong ground cutting edges insensitive to impact and special grooves for chip removal up the drilled hole. The drills in our offer are manufactured according to the NWKb, DIN 340 dimensional standard from modern HSS high-speed steel characterized by high cutting properties. Drills made of this steel are high-performance and very accurate. They allow drilling at high speeds, and their blades are resistant to high temperatures (up to 600 degrees C). They can be used for machining materials classified as P1.2 - P1.3.
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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 7.4 long 156/102 HSS DIN 340 Podgląd zdjęć produktu
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