Solid carbide drills, type N, 5xD, diameter 4,4 mm
| D | d | l1 | l2 | Item code | On stock |
|---|---|---|---|---|---|
| 4,4 | 4,4 | 80 | 47 | C10012.044 | Yes |
Cutting conditions
Material |
Strength |
|---|---|
| P.1 | Free-cutting steels, general construction steels | ≤ 600 N/mm² |
| P.2 | General construction steels, steel castings | ≤ 850 N/mm² |
| P.3 | Tool steels low alloyed | ≤ 1100 N/mm² |
| M.1 | Corrosion- and acid-proof steels | ≤ 750 N/mm² |
| M.3 | Corrosion- and acid-proof steels | > 850 N/mm² |
| K.1 | Cast iron (≤ 240 HB) | ≤ 820 N/mm² |
| N.2 | Aluminium cast alloys Si (Si ≤ 12%) | ≤ 600 N/mm² |
| N.4 | Cooper-zinc alloys, cooper-tin alloys | ≤ 800 N/mm² |
Calculations of cutting conditions
Product attributes
Universal usage. Suitable for materials up to strength 900 MPa.
Drilling depth 5xD
Oil coolant.
Point angle 118°
Right helix
Carbide materials are characterised by high compressive strength, high hardness and therefore high wear resistance, but also limited flexural strength and toughness.