Set of parallel shank twist drills - jobber series, type N, code VN10010, diameter 1-10 mm, 19 pcs
Cutting conditions
Material | Strength | Vc | fz(mm/r) Ø1 | Ø2 | Ø3,15 | Ø4 | Ø5 | Ø6,3 | Ø8 | Ø10 | Ø12,5 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| P.1 | Free-cutting steels, general construction steels | ≤ 600 N/mm² | 30 | 0,018 | 0,063 | 0,1 | 0,125 | 0,125 | 0,16 | 0,2 | 0,25 | 0,25 |
| P.2 | General construction steels, steel castings | ≤ 850 N/mm² | 30 | 0,016 | 0,05 | 0,08 | 0,1 | 0,1 | 0,125 | 0,16 | 0,2 | 0,2 |
| K.1 | Cast iron (≤ 240 HB) | ≤ 820 N/mm² | 30 | 0,018 | 0,063 | 0,1 | 0,125 | 0,125 | 0,16 | 0,2 | 0,25 | 0,25 |
| K.2 | Cast iron (> 240 HB) | > 800 N/mm² | 25 | 0,018 | 0,063 | 0,1 | 0,125 | 0,125 | 0,16 | 0,2 | 0,25 | 0,25 |
| N.2 | Aluminium cast alloys Si (Si ≤ 12%) | ≤ 600 N/mm² | 70 | 0,02 | 0,08 | 0,125 | 0,16 | 0,16 | 0,2 | 0,25 | 0,315 | 0,315 |
| N.3 | Aluminium cast alloys Si (Si > 12%) | ≤ 600 N/mm² | 36 | 0,016 | 0,05 | 0,08 | 0,1 | 0,1 | 0,125 | 0,16 | 0,2 | 0,2 |
| N.4 | Cooper-zinc alloys, cooper-tin alloys | ≤ 800 N/mm² | 30 | 0,014 | 0,04 | 0,063 | 0,08 | 0,08 | 0,1 | 0,125 | 0,16 | 0,16 |
Product attributes
Normal profile of flute, normal core, point angle 118°. Drills made of HSS Co mildly strenghtened core, point angle 130°.
Conical lip relief, split point, DIN 1412 form A
Drilling depth 5xD
High speed steel of average performance, it is applicable especially for cutters of smaller diameters and for milling of materials up to the strength of 900 MPa.