- 98% satisfied customers
- 72h delivery
- 30 dni na zwrot
Drill 0.3 mm HSS DIN 338
988302
Diameter (mm): 0,3178 sizes of this drill
0,30,40,420,50,60,70,80,911,11,21,251,31,351,41,451,51,61,71,81,922,12,22,32,42,52,62,72,752,82,933,13,23,33,43,53,63,73,83,944,14,24,34,44,54,64,74,754,84,955,15,25,35,45,55,65,75,755,85,966,16,26,36,46,56,66,76,86,977,17,27,37,47,57,67,77,757,87,988,18,28,38,48,58,68,78,758,88,999,19,29,259,39,49,59,69,79,759,89,91010,110,210,310,410,510,610,710,7510,810,91111,111,211,2511,311,411,511,611,711,811,91212,112,212,312,412,512,612,712,7512,812,91313,213,313,413,513,613,713,91414,214,314,414,514,614,7514,81515,2515,515,751616,2516,316,516,751717,2517,517,751818,2518,518,751919,2519,520
€0.74 tax inc.
Net price: €0.61
Description
Technical data for the Ø0.3 metal drill bit
| Technical data | |
|---|---|
| Working diameter of drill d | Ø0.3 mm |
| Overall length l1 | 19 mm |
| Flute length l2 | 3 mm |
- Drill bit manufactured according to DIN-338
- Suitable for drilling materials up to 35 HRC
- 118° point angle suited to drilling steel and cast steel
- Made from the finest grade of high-speed steel (HSS)
- Produces a hole with an h8 tolerance
- Low hole surface roughness
Cutting data for the Ø0.3 mm HSS NWKa drill bit
| Material | Cutting speed Vc [m/min] | Feed per revolution f [mm] | Spindle speed n [rpm] | Total feed rate [mm/min] |
|---|---|---|---|---|
| PSteel | 14-25 | 0.05 | 14862 | 743 |
| KCast iron | 10-18 | 0.05 | 10616 | 531 |
May be useful
Cutting parameters calculator
Ø0.3 metal drill bit with a straight shank
0.3 mm metal drill bit HSS DIN 338 is designed for machining microdiameters in structural steels, cast iron and nonferrous alloys; in workshop applications, it runs steadily and enables the IT12 tolerance grade to be maintained with rigid clamping and controlled cutting parameters.
The nominal diameter is 0.3 mm. The 118° point angle supports reliable entry into the material, while helical flutes ground along their entire length facilitate continuous chip evacuation during right-hand cutting. The core, made of high-purity high-speed steel, has a homogeneous microstructure, providing wear resistance and cutting edge stability. The length conforms to DIN 338 (jobber length), providing a favorable length-to-diameter ratio; high spindle speeds, micrometer-scale feed, a precision chuck and emulsion or oil mist cooling are recommended to maintain workshop tolerances.
- Repeatability of IT12 tolerance grade — dimensional stability is demonstrated by Ø0.3 mm metal drill bit in setups with increased rigidity and appropriately selected parameters.
- Reliable centering at entry — the 118° geometry reduces wandering and establishes a consistent drilling path from entry.
- Controlled hole wall roughness — polished flutes reduce friction, ensuring a clean exit edge and an even hole surface.
- Wear resistance — homogeneous HSS extends cutting edge life between resharpenings, including in interrupted cycles.
Compliance with DIN 338 facilitates mounting in standard tool holders. The holes meet IT12 tolerances in accordance with PN-EN ISO 286, and configurations described as a Ø0.3 mm drill for steel maintain a predictable diameter, axial alignment and stable microhole geometry. In summary, Ø0.3 mm drill for steel combines precise entry, uniform cutting and repeatable surface quality when machining microdiameters.
Product accessories
Reviews
No customer reviews for the moment.
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 |
Recommended for you
This website uses its own and third-party cookies to improve our services and show you advertising related to your preferences by analyzing your browsing habits. To give your consent to its use, press the Accept button.
Cookie preferences
Functional cookiesTechnical
Functional cookies are strictly necessary to provide the services of the shop, as well as for its proper functioning, so it is not possible to refuse their use. They allow the user to browse through our website and use the different options or services that exist on it.
Advertising Cookies
These are cookies that collect information about the advertisements shown to users of the website. They can be anonymous, if they only collect information about the advertising spaces shown without identifying the user, or personalised, if they collect personal information about the user of the shop by a third party, for the personalisation of these advertising spaces.
Analytics cookies
Collect information about the user's browsing experience in the shop, usually anonymously, although sometimes they also allow the user to be uniquely and unequivocally identified in order to obtain reports on the user's interests in the products or services offered by the shop.