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Beschreibung
Technical data of the drill fi 7,8 cobalt drill bit
- working diameter of the drill d - fi 7,8 mm,
- total length l1 - 117,0 mm,
- length of the working part l2 - 75,0 mm.
Drill cobalt fi 7,8 Inox
Drill 7,8 mm cobalt HSSE Inox. Professional twist drill with smooth cylindrical chuck for drilling through-holes and blind holes with a diameter of 7.8 mm. Drills of this type have 2 central blades, a tip angle of 118 degrees, ground cutting edges resistant to impact and lateral forces, and special chip grooves for efficient removal of cut chips. The offered drills are manufactured according to the NWKa, DIN 338 dimensional standard from special HSSE high-speed steel with 5% cobalt. This unique composition of the steel contributes to higher cutting efficiency, better precision, the ability to drill holes in very hard and hard-to-machine materials and greater resistance of the drill bits to harsh working conditions. Our drills are rarely subject to mechanical damage, which significantly extends their service life. The 7.8 mm cobalt metal drill bit is suitable for professional processing in large locksmith shops using conventional drilling machines and computer-controlled numerical control machine tools.
Product accessories
Countersink 10.4/90 DIN 335 C HSSE
Artikel-Nr.: 0000008338 Auf Lager > 10 items
6,84 €
8,42 € brutto
Self-clamping drill chuck 1-13 B16 PTRu
Artikel-Nr.: 0000004205 Auf Lager > 10 items
16,05 €
19,74 € 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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