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HSSE 4.4 cobalt metal drill bit DIN 338
11567
Diameter (mm): 4,4115 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
€1.23 tax inc.
Net price: €1.00
Description
Technical data for the Ø4.4 cobalt drill bit
| Technical data | |
|---|---|
| Working diameter of drill d | Ø4.4 mm |
| Overall length l1 | 80 mm |
| Flute length l2 | 47 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 Ø4.4 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 | 0.05 | 1592 | 80 |
| MStainless steel | 10 | 0.05 | 796 | 40 |
| KCast iron | 15 | 0.05 | 1194 | 60 |
| NAluminum and nonferrous materials | 34 | 0.06 | 2707 | 162 |
May be useful
Cutting parameters calculator
Ø4.4 Inox cobalt drill bit for metal
4.4 mm cobalt drill bit for metal HSSE Inox. A high-quality twist drill with a plain straight shank and a diameter of 4.4 mm. Designed for drilling through and blind holes in very hard and difficult-to-machine materials such as alloy steels, nonferrous metals, stainless steel, acid-resistant steel, heat-resistant steel, cast steel, ductile and gray cast iron. The drills we offer stand out for their high machining productivity and ability to deliver very precise cutting. They therefore significantly reduce cutting time and improve the utilization of available workstations. This results from their construction from special high-grade HSSE high-speed steel. This steel contains added cobalt (5%), which increases the drill's ability to withstand demanding operating conditions and thus extends its service life. 4.4 mm cobalt drill bits for metal are suitable for conventional and computer numerical control (CNC) machine tools.
Product accessories
HSSE 4.7 cobalt metal drill bit DIN 338
Reference: 0000009132 In stock > 10 items
€1.21
€1.49 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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