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Description
Technical data of fi 4,2 cobalt drill bit
- working diameter of the drill d - fi 4,2 mm,
- total length l1 - 75,0 mm,
- length of the working part l2 - 43,0 mm.
Drill cobalt fi 4,2 Inox
Drill 4,2 mm cobalt HSSE Inox. Professional cylindrical, twist drill according to the dimensional standard NWKa, DIN 338 with a section of 4.2 mm. Designed for drilling in hard and hard-to-machine materials. It has 2 central blades and strong ground cutting edges. Special grooves are used for fast chip removal up the drilled hole. The drill bit is manufactured from special high-grade HSS-E high-speed steel. This is a modern tool steel, an important component of which is cobalt - about 5%. It affects the greater hardness and durability of the drill, as well as the ability to work in harsh conditions. Cobalt drill blades are resistant to mechanical damage (fracture, chipping, dulling), which allows a very long period of tool use. They are suitable for machining alloy steels, stainless steel, acid-resistant steel, heat-resistant steel and also cast steel, cast iron. The drill's high heat resistance (up to 670 degrees C) allows drilling at very high speeds. Drill the 4.2mm cobalt is recommended for various types of machine tools, including conventional drills, milling machines, lathes and CNC machine tools.
Product accessories
Tapered countersink 6.3/90 DIN 335 C HSS
Reference: 0000004110 In stock > 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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