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HSSE 6.6 cobalt metal drill bit DIN 338
0000008775
Diameter (mm): 6,6115 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
€2.59 tax inc.
Net price: €2.11
Description
Technical data for the Ø6.6 cobalt drill bit
| Technical data | |
|---|---|
| Working diameter of drill d | Ø6.6 mm |
| Overall length l1 | 101 mm |
| Flute length l2 | 63 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 Ø6.6 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 | 0.08 | 1062 | 85 |
| MStainless steel | 10 | 0.08 | 531 | 42 |
| KCast iron | 15 | 0.08 | 796 | 64 |
| NAluminum and nonferrous materials | 34 | 0.1 | 1805 | 181 |
May be useful
Cutting parameters calculator
Ø6.6 Inox cobalt drill bit for metal
6.6 mm cobalt drill bit for metal HSSE Inox. Professional NWKa Ø6.6 straight-shank twist drill. Manufactured to the DIN 338 dimensional standard from high-grade, high-alloy HSSE high-speed steel. This material enables drilling of hard materials at machining temperatures reaching up to 650°C. The use of cobalt steel enables machining of alloy steels, stainless steels, heat-resistant and acid-resistant steels, cast steel, gray cast iron and ductile iron. The NWKa drills available in our store offer greater hardness and durability, as well as increased wear resistance at high temperatures. The cutting edges 6.6 mm cobalt metal drill bits, are resistant to breakage, chipping, cracking and even dulling. The tools can be used on various types of conventional and CNC machine tools.
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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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