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HSSE 8.1 cobalt metal drill bit DIN 338
11593
Diameter (mm): 8,1115 sizes of this drill
0,30,40,50,60,70,80,911,11,21,31,41,51,61,71,81,922,12,22,32,42,52,62,72,82,933,13,23,33,43,53,63,73,83,944,14,24,34,44,54,64,74,84,955,15,25,35,45,55,65,75,85,966,16,26,36,46,56,66,76,86,977,17,27,37,47,57,67,77,87,988,18,28,38,48,58,68,78,999,19,29,39,49,59,69,79,89,91010,110,210,310,410,510,610,81111,211,311,511,81212,112,212,512,813
€3.72 tax inc.
Net price: €3.03
Description
Technical data for the Ø8.1 cobalt drill bit
| Technical data | |
|---|---|
| Working diameter of drill d | Ø8.1 mm |
| Overall length l1 | 117 mm |
| Flute length l2 | 75 mm |
- Drill bit manufactured according to DIN-338
- Suitable for drilling materials up to 37 HRC
- 130° point angle adapted for drilling INOX
- Made from the finest grade of HSS-E high-speed steel with 5% added cobalt
- Produces a hole with an h8 tolerance
- Low hole surface roughness
Cutting data for the Ø8.1 mm HSSE NWKa drill bit
| Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Spindle speed n [rpm] | Total feed rate [mm/min] |
|---|---|---|---|---|
| PSteel | 20 | 0.1 | 796 | 80 |
| MStainless steel | 10 | 0.1 | 398 | 40 |
| KCast iron | 15 | 0.1 | 597 | 60 |
| NAluminum and nonferrous materials | 34 | 0.12 | 1354 | 162 |
May be useful
Cutting parameters calculator
Ø8.1 Inox cobalt drill bit for metal
8.1 mm cobalt drill bit for metal HSSE Inox. High-quality twist drill with a straight shank and a diameter of 8.1 mm. It features 2 central cutting edges, a 118° point angle, special flutes for chip evacuation from the hole, and strong ground cutting edges. The drills we offer are manufactured to the NWKa, DIN 338 standard from special high-alloy HSSE high-speed steel with high cutting performance. This steel allows the drills to withstand severe operating conditions and resist mechanical damage during cutting, even at high speeds and the resulting high temperatures (up to 670°). The drills offer significantly greater resistance to breakage, cracking, chipping, and even dulling. This ensures a very long service life. They are suitable for machining alloy steel, nonferrous metals, stainless steel, acid-resistant steel, heat-resistant steel, and even cast steel and cast iron. 8.1 mm cobalt drill bit for metal designed for conventional and computer numerically controlled CNC machine tools
Product accessories
Metal drill bit 8.1 long 156/109 HSS DIN 340
Reference: 0214 In stock < 10 items
€2.63
€3.24 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 |
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