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Description
Technical data of metal drill fi 0,8
| Technical data | |
|---|---|
| Working diameter of drill bit d | fi 0,8 mm |
| Overall length l1 | 30 mm |
| Length of working part l2 | 10 mm |
- Drill bit made according to DIN-338
- Possible drilling to a hardness of 35 HRC
- Blade angle of 118 degrees suitable for drilling in steel, cast steel
- Made of the best grade of high speed steel HSS ( High speed steel )
- Makes a hole in h8 tolerance
- Low roughness of the hole
Cutting parameters of drill fi 0,8 mm HSS NWKa
| ISO symbol | Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Revolutions n [obr/min] | Total feed rate [mm/min] |
|---|---|---|---|---|---|
| P | Steel | 14-25 | 0,05 | 5573 | 279 |
| K | Cast iron | 10-18 | 0,05 | 3981 | 199 |
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Cutting parameters calculator
Drill fi 0.8 with cylindrical shank
The 0.8 mm HSS DIN 338metal drill bit is designed for precision micro-holedrilling in structural steels, cast iron and non-ferrous alloys; in workshop applications, it provides a stable cutting path and maintains IT12 grade dimension.
The nominal diameter is 0.8 mm. The 118-degree tip angle promotes secure drilling and uniform blade loading, and the helical, precision-ground grooves promote continuous chip evacuation in the right cutting direction. The drills are designed for conventional lathes, milling and drilling machines, as well as specialized computer-controlled numerical control machine tools. A core of homogeneous high-purity high-speed steel increases wear resistance and edge stability. Length execution according to DIN 338 (normal length) and cylindrical shank facilitate installation in standard chucks.
- IT12 repeatability - dimensional maintenance is supported by a fi 0.8 mm drill bit for steel at properly selected speeds and feeds and rigid clamping.
- Stable centering - 118-degree geometry reduces drift at entry and organizes the drilling path.
- High surface quality - polished chip channels reduce friction, lowering wall roughness and improving the exit edge.
- Edge durability - homogeneous high-speed steel extends the working time between sharpening in unit and short-run cycles.
Compliance with DIN 338 and reference to PN-EN ISO 286 allow the holes obtained to qualify for workshop fits; as a result, the fi 0.8 mm metal drill provides predictable diameter, alignment and a clean exit edge in typical micromachining tasks.
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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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