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Beschreibung
Technical data of the drill fi 3,9 cobalt drill bit
- working diameter of the drill d - fi 3,9 mm,
- total length l1 - 75,0 mm,
- length of the working part l2 - 43,0 mm.
Drill cobalt fi 3,9 Inox
Drill 3,9 mm cobalt HSSE Inox. Cobalt twist drill bit made according to the dimensional standard NWKa, DIN 338. It has two central blades and spiral chip grooves, which are responsible for the efficient discharge of chips up the hole. The drills we offer are made from special cobalt HSS-E high-speed steel, the main component of which is 5% cobalt. This makes the drills resistant to harsh working conditions, as well as allowing drilling at very high speeds during which very high temperatures are generated. The drills can withstand temperatures of up to 670 degrees C. Thanks to the properties of HSSE cobalt steel, the drills allow high-performance and precision machining. They are suitable for drilling formations in parts made of alloy steels, acid-resistant steels, cast iron, cast steel, stainless steels, heat-resistant steels. Drill 3.9 mm cobalt is recommended for conventional drills, milling machines and lathes as well as machine tools controlled by CNC (computer numerical control) technology.
Product accessories
Tapered countersink 6.3/90 DIN 335 C HSS
Artikel-Nr.: 0000004110 Auf Lager > 10 items
4,21 €
5,18 € 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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