Set of tapper shank drills, jobber series, diameter 14,5-30 mm, pasivation, 9 pcs
Content of set
| Item code | D | MK | l1 | l2 |
| VK10010.1500 | 15 | 2 | 212 | 114 |
| VK10010.1600 | 16 | 2 | 218 | 120 |
| VK10010.1800 | 18 | 2 | 228 | 130 |
| VK10010.2000 | 20 | 2 | 238 | 140 |
| VK10010.2200 | 22 | 2 | 248 | 155 |
| VK10010.2400 | 24 | 3 | 281 | 160 |
| VK10010.2600 | 26 | 3 | 286 | 165 |
| VK10010.2800 | 28 | 3 | 291 | 170 |
| VK10010.3000 | 30 | 3 | 296 | 175 |
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 | 70 | 0,018 | 0,063 | 0,1 | 0,125 | 0,125 | 0,16 | 0,2 | 0,25 | 0,25 |
| 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.
Lead of helix 25° - 30°.
Point angle 118°
Right helix
Steamtempered (Black finish) is a process where a layer of iron oxide is formed on the surface of the tool. This layer increases the abrasion resistance of the blade, increases corrosion resistance and improves lubrication of the tool. The most effective use is for drill bits and taps.