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HSSE 7.5 cobalt metal drill bit DIN 338
11590
Diameter (mm): 7,5115 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
€3.24 tax inc.
Net price: €2.63
Description
Technical data for the Ø7.5 cobalt drill bit
| Technical data | |
|---|---|
| Working diameter of drill d | Ø7.5 mm |
| Overall length l1 | 109 mm |
| Flute length l2 | 69 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 Ø7.5 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 | 806 | 64 |
| MStainless steel | 10 | 0.08 | 403 | 32 |
| KCast iron | 15 | 0.08 | 605 | 48 |
| NAluminum and nonferrous materials | 34 | 0.1 | 1371 | 137 |
May be useful
Cutting parameters calculator
Ø7.5 Inox cobalt drill bit for metal
7.5 mm cobalt drill bit for metal HSSE Inox. Professional straight-shank twist drill manufactured to the NWKa DIN 338 dimensional standard from special HSSE cobalt high-speed steel. This steel offers exceptionally high cutting performance. The addition of cobalt allows the drills to withstand very severe cutting conditions, including the extreme temperatures generated at high drilling speeds. HSSE steel drills resist breakage, cracking, and edge fracture, ensuring a very long service life. The drills also benefit from their specific cutting-edge geometry, suitable flutes for chip evacuation, and strong ground cutting edges resistant to impact and lateral forces. The straight-shank drills available in our store are designed for professional drilling in large metalworking facilities and workshops, using not only conventional drilling machines, milling machines, and lathes, but also computer numerically controlled machine tools. 7.5 mm cobalt drill bit for metal is recommended for all professionals.
Product accessories
Metal drill bit 7.5 long 156/102 HSS DIN 340
Reference: 0208 In stock > 10 items
€1.68
€2.07 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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