Parallel shank twist drills, extra long series
| D | l1 | l2 | Item code | On stock |
|---|---|---|---|---|
| 3,5 | 265 | 180 | VN80010.0350 | Yes |
| 3,8 | 280 | 190 | VN80010.0380 | No |
| 4 | 280 | 190 | VN80010.0400 | No |
| 4,2 | 280 | 190 | VN80010.0420 | Yes |
| 4,5 | 295 | 200 | VN80010.0450 | Yes |
| 4,8 | 315 | 210 | VN80010.0480 | Yes |
| 5 | 315 | 210 | VN80010.0500 | No |
| 5,2 | 315 | 210 | VN80010.0520 | No |
| 5,5 | 330 | 225 | VN80010.0550 | Yes |
| 5,8 | 330 | 225 | VN80010.0580 | No |
| 6 | 330 | 225 | VN80010.0600 | Yes |
| 6,5 | 350 | 235 | VN80010.0650 | No |
| 6,8 | 370 | 250 | VN80010.0680 | No |
| 7 | 370 | 250 | VN80010.0700 | Yes |
| 7,5 | 370 | 250 | VN80010.0750 | Yes |
| 8 | 390 | 265 | VN80010.0800 | No |
| 8,5 | 390 | 265 | VN80010.0850 | Yes |
| 9 | 410 | 280 | VN80010.0900 | Yes |
| 9,5 | 410 | 280 | VN80010.0950 | Yes |
| 9,8 | 430 | 295 | VN80010.0980 | Yes |
| 10 | 430 | 295 | VN80010.1000 | No |
| 10,3 | 430 | 295 | VN80010.1030 | No |
| 10,5 | 430 | 295 | VN80010.1050 | No |
| 11 | 455 | 310 | VN80010.1100 | No |
| 11,5 | 455 | 310 | VN80010.1150 | No |
| 12 | 480 | 330 | VN80010.1200 | Yes |
| 12,5 | 480 | 330 | VN80010.1250 | No |
| 13 | 480 | 330 | VN80010.1300 | Yes |
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 | 20 | 0,016 | 0,05 | 0,08 | 0,1 | 0,1 | 0,125 | 0,16 | 0,2 | 0,2 |
| P.2 | General construction steels, steel castings | ≤ 850 N/mm² | 20 | 0,014 | 0,04 | 0,063 | 0,08 | 0,08 | 0,1 | 0,125 | 0,16 | 0,16 |
| P.3 | Tool steels low alloyed | ≤ 1100 N/mm² | 25 | 0,014 | 0,04 | 0,063 | 0,08 | 0,08 | 0,1 | 0,125 | 0,16 | 0,16 |
| K.1 | Cast iron (≤ 240 HB) | ≤ 820 N/mm² | 22 | 0,016 | 0,05 | 0,08 | 0,1 | 0,1 | 0,125 | 0,16 | 0,2 | 0,2 |
| N.2 | Aluminium cast alloys Si (Si ≤ 12%) | ≤ 600 N/mm² | 45 | 0,018 | 0,063 | 0,1 | 0,125 | 0,125 | 0,16 | 0,2 | 0,25 | 0,25 |
| 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 | 22 | 0,012 | 0,032 | 0,05 | 0,063 | 0,063 | 0,08 | 0,1 | 0,125 | 0,125 |
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 25xD
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.