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Beschreibung
Technical data of the drill fi 8,4 cobalt drill bit
- working diameter of the drill d - fi 8,4 mm,
- total length l1 - 117,0 mm,
- length of the working part l2 - 75,0 mm.
Drill cobalt fi 8,4 Inox
Drill 8,4 mm cobalt HSSE Inox. Professional twist drill, with smooth cylindrical chuck, made according to the dimensional standard NWKa, DIN 338 from special HSSE high-speed steel. This is a unique tool steel, of which cobalt (about 5%) is an important component. The drills offered in our store have 2 central blades, special grooves for fast chip removal up the hole, a tip angle of 118 degrees and ground cutting edges insensitive to impact. This design of the drills guarantees very good cutting properties and also allows to reduce machining costs. Above all, the drill bits enable high-performance drilling by being able to increase the drilling speed and thus reduce working time. Even at the high temperature generated during high-speed drilling, the drill blades do not maintain high resistance to mechanical damage such as fractures, cracks, chipping and even dulling. As a result, the drills can be used for a long time without having to replace them with new ones. Drill 8.4 mm cobalt is suitable for machining very hard materials (alloy steel, stainless steel, acid-resistant steel, heat-resistant sta, cast steel, cast iron).
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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