|
Cutting
data for drills
|
| P Material |
HB
|
Condition |
D mm.
|
Feed mm./Rev.
|
Cutting speed |
| Unalloyed steel | 90-200 125-225 150-225 180-225 |
Non-hardened 0,05-0,25%C Non-hardened 0,25-0,55%C Non-hardened 0,55-0,80%C High carbon & carbon tool steel |
60-100 |
0,08-0,12 |
150-250 100-250 100-250 100-250 |
| Low alloyed steel | 150-260 220-400 |
Non-hardened |
60-100 | 0,11-0,18 0,08-0,12 |
100-250 100-220 |
| High alloyed steel | 150-250 150-250 250-350 250-400 |
Annealed Annealed HSS Hardened tool steel Hardened steel |
60-100 | 0,11-0,19 0,11-0,19 0,11-0,18 0,11-0,17 |
100-220 100-220 100-200 100-200 |
| Stainless steel | 150-270 | Ferritic, Martensitic 13-25%Cr | 60-100 | 0,11-0,17 | 100-200 |
| Steel castings | 90-225 150-250 |
Unalloyed Low alloyed (< 5%) |
60-100 | 0,12-0,20 0,11-0,17 |
100-200 100-150 |
| M Material |
HB
|
Condition |
D mm.
|
Feed mm./Rev.
|
Cutting speed |
| Stainless steel | 150-270 | Austenitic Ni >8%, 18-25% Cr |
60-100 |
0,09-0,15 | 100-230 |
| K Material |
HB
|
Condition |
D mm.
|
Feed mm./Rev.
|
Cutting speed |
| Malleable cast iron | 110-145 150-270 |
Ferritic (short chipping) Pearlitic (long chipping) |
60-100 |
0,17-0,27 0,12-0,20 |
100-200 90-180 |
| Grey cast iron | 150-220 200-300 |
Low tensile strength High tensile strength |
60-100 |
0,15-0,25 0,14-0,22 |
90-180 90-150 |
| Nodular cast iron | 125-230 200-300 |
Ferritic Pearlitic |
60-100 |
0,15-0,25 0,14-0,22 |
100-180 90-150 |
| Aluminium alloys | 75-150 40-100 70-125 |
Wrought, solution treated
& aged Cast Cast, solution treated & aged |
60-100 |
0,17-0,27 |
150-375 150-375 150-375 |
| Copper and copper alloys | 50-160 | Ferritic (short chipping) |
60-100 |
0,15-0,25 | 100-160 |