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Description
Technical data of long drill fi 8
| Technical data | |
|---|---|
| Drill working diameter d | fi 8 mm |
| Overall length l1 | 156 mm |
| Length of working part l2 | 109 mm |
Cutting parameters of drill bit fi 8 mm HSSE 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 | 24 | 0,12 | 955 | 115 |
| M | Stainless steel | 8 | 0,08 | 318 | 25 |
| K | Cast iron | 22 | 0,16 | 876 | 140 |
| N | Aluminum and non-ferrous materials | 34 | 0,1 | 1354 | 135 |
May be useful
Cutting parameters calculator
Long drill bit for metal fi 8
High-quality long drill for metal fi 8 with smooth cylindrical shank made according to the standards stipulated for the NWKb, DIN 340 dimensional standard. It has two central blades, an apex angle of 118 degrees, special chip grooves for draining chips from the drilled hole and strong cutting edges insensitive to impact and lateral forces. The long metal drills we offer fi 8 NWKb are made entirely by grinding method from special HSS-E high-speed steel with cobalt (5%). This is a modern tool steel, the cutting properties of which significantly exceed those of conventional steels. First of all, tools made from it are characterized by increased hardness durability and wear resistance. As a result, drills made from it guarantee much higher productivity and reduced working time. They maintain high cutting properties, allow work in harsh conditions, and their blades are resistant to any mechanical damage. The high hardness of cobalt high-speed steel makes it possible to machine alloy steels, stainless steel, acid-resistant steel, heat-resistant steel, cast iron, cast steel and other materials.
Product accessories
Metal drill bit 8 extra long 240/165 HSS DIN 1869
Reference: 0000003974 In stock < 10 items
€6.84
€8.42 brutto
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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 8 long 156/109 HSSE INOX DIN 340 Podgląd zdjęć produktu
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