Solid drill bit with cylindrical shank, ground NWKa DIN 338 - 9.8MM, HSSCo
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Description
Properties and application:
- NWKa general purpose twist drill with cylindrical shank
- Tool made of high-speed steel with 5% cobalt content (HSSCo) according to DIN 338 standard
- For machining hard and heat-treated materials, titanium and titanium alloys, austenitic steel, high-alloy steel, stainless and acid-resistant steel and other types of steel and non-ferrous metals; not recommended for aluminum machining
- Drills are mounted, among others, in drill chucks
- For some operations, before proper drilling, a pilot hole should be made with drill chuck
Technical data:

| Parameter | Value | Units |
|---|---|---|
| d1 | 9.8 | mm |
| l1 | 133 | mm |
| l2 | 87 | mm |


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