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Description
Technical data of metal drill fi 0.5
| Technical data | |
|---|---|
| Working diameter of drill d | fi 0,5 mm |
| Overall length l1 | 22 mm |
| Length of working part l2 | 6 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 0,5 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 | 8917 | 446 |
| K | Cast iron | 10-18 | 0,05 | 6369 | 318 |
May be useful
Cutting parameters calculator
Drill fi 0.5 with cylindrical shank
HSS DIN 3380.5 mm metal drill bit is used for precision micro-holes in structural steels, cast iron and non-ferrous alloys; in practice, also used as fi 0.5 mm metal drill bit, it maintains stable cutting path and accuracy in IT12 class.
The nominal diameter is 0.5 mm. The 118-degree tip angle promotes secure entry into the material, and the spiral ground grooves ensure even chip evacuation with the right cutting direction. A core of high-purity homogeneous high-speed steel ensures wear resistance and long retention of a sharp edge. The length design according to DIN 338 (normal length) and the corresponding slenderness promote process stability. The drills are designed for conventional lathes, milling and drilling machines, as well as specialized computer-controlled numerical control machine tools.
- Repeatability of IT12 class - dimensional stability is confirmed by fi 0.5 mm drill for steel at properly selected speeds, feeds and rigid clamping.
Precise entry and alignment - 118-degree geometry reduces drift and stabilizes drilling start. - Even wall surface - polished chip channels reduce friction, promoting low roughness and a clean exit edge.
- Blade life - homogeneous HSS extends run time between sharpening in unit and short-run cycles.
Compliance with DIN 338 facilitates installation in standard chucks, and the holes produced qualify for IT12 workshop fits according to EN ISO 286; as a result, the fi 0.5 mm metal drill provides predictable diameter, axis retention and stable micro-hole geometry.
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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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