Technical specification
Version:
Profile ground: Jobber drill with high pitch accuracy and concentricity as well as precision
ground point.
Steam tempered from â 2.4 mm.
With point geometry shape C from size 4 mm
Recommendation:
Maximum drilling depth:
L2 = LC – 1.5 Ă DC.
Technical DataÂ
|
114150 2 |
114150 4.3 |
114150 16.5 |
|
| Nominal â DC |
2 mm |
4.3 mm |
16.5 mm |
| Feed f in steel < 750 N/mm2 |
0.03 mm/rev. |
0.05 mm/rev. |
0.2 mm/rev. |
| Flute length Lc |
24 mm |
47 mm |
125 mm |
| Number of cutting edges Z |
2 |
2 |
2 |
| Tolerance nominal â |
h8 |
h8 |
h8 |
| Shank â Ds |
2 mm |
4.3 mm |
16 mm |
| Overall length L |
49 mm |
80 mm |
184 mm |
|
Standard |
DIN 338 |
DIN 338 | DIN 338 |
| recommended maximum drilling depth L2 |
21 mm |
40.6 mm |
100.3 mm |
| Point angle |
118 ° |
118 ° |
118 ° |
| Shank |
Plain shank |
Plain shank |
Plain shank |
| Coating |
Uncoated |
Uncoated |
Uncoated |
| Tool material |
HSS |
HSS |
HSS |
| Type |
N |
N |
N |
| Through-coolant |
No |
No |
No |
| Colour ring |
Without |
Without |
Without |
| Type of product |
Jobber drill |
Jobber drill |
Jobber drill |
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