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- NWKa DIN 338 Metal Drills
- Long Drill Bit for Metal DIN 340 NWKb
- Extra Long Drill Bit for Metal DIN 1869
- NWKc Morse metal drill bits DIN 345
- Long drills for Metal Morse DIN 341
- Folding drills
- Fork drills
- VHM Carbide Drill Bits
- Tapered drills
- Trepanning drills
- Plates for Pen Drills
- Other Drills
- Drill Sets

DRILL NWKb 12,4 HSS DIN 340 BHH
Cena netto: PLN23.00
Description
Dane techniczne:
- średnica robocza wiertła d- 12,3 mm,
- długość części całkowitej l1 - 205,0 mm,
- długość części roboczej l2 -134,0 mm
Nowoczesne wiertło kręte, cylindryczne, długie. Zgodne z normą wymiarową NWKb, DIN 340 wyprodukowane w całości ze specjalnej stali szybkotnącej HSS. Jest to materiał zwiększający wydajność obróbki a także polepszający jej jakość. Wykonane otwory są osiowe na całej długości i charakteryzują się małą chropowatością. Nadto stal szybkotnąca zwiększa twardość wierteł i ich trwałość. W efekcie narzędzia mogą być stosowane nawet w bardzo ciężkich warunkach, w tym w wysokiej temperaturze powstałej podczas wiercenia nawet z bardzo dużą prędkością. Ostrza wierteł są odporne na różnorodne uszkodzenia mechaniczne takie jak złamania, pęknięcia a nawet stępienie. Gwarantuje to długi okres ich używania i tym samym ograniczenie kosztów obróbki. Wiertła cylindryczne tego typu zalecane są do profesjonalnej obróbki stali niestopowych, metali, stopów metali, metali kolorowych i tworzyw sztucznych. Można je stosować do wiertarek, tokarek, frezarek i nowoczesnych obrabiarek CNC.
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