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HSS jobber drill N 7,8
Article no.: 114150 7,8
Article code:
- Tool material: HSS
- Standard: DIN 338
- Type: N
- Tolerance nominal ⌀: h8
- Point angle: 118
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Product details
Technical Data
| Nominal ⌀ DC | 7.8 mm | |
| Coating | uncoated | |
| Tool material | HSS | |
| Standard | DIN 338 | |
| Type | N | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 118 degrees | |
| Shank | Plain shank | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| recommended maximum drilling depth L2 | 63.3 mm | |
| Flute length Lc | 75 mm | |
| Overall length L | 117 mm | |
| Shank ⌀ Ds | 7.8 mm | |
| Feed f in steel < 750 N/mm2 | 0.07 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 114150 7,8 | |
| EAN / GTIN | 4045197013262 | |
| Manufacturer number | 114150 7,8 |
Application Table
N
80
N
45
N
50
P
40
P
30
P
25
P
10
P
8
K
25
N
80
Description
Version:
Profile ground: Jobber drill with high pitch accuracy and concentricity as well as precision ground point.
Steam tempered from ⌀ 2.4 mm.
With point geometry shape C from size 4 mm
Steam tempered from ⌀ 2.4 mm.
With point geometry shape C from size 4 mm
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.
Note:
Size 16 - 20: Drills with shank ⌀ 16 mm.
Downloads & documents
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|
| Number of cutting edges Z | 2 | 2 | 2 | 2 | 2 | 2 |
| Coating | uncoated | uncoated | uncoated | TiN | TiAlN | uncoated |
| Colour ring | without | without | without | without | green | without |
| Overall length L | 117 mm | 117 mm | 117 mm | 117 mm | 117 mm | 117 mm |
| Shank | Plain shank | Plain shank | Plain shank | Plain shank | Plain shank | Plain shank |
| Tool material | HSS | HSS | HSS | HSS | HSS E | HSS |
| Shank ⌀ Ds | 7.8 mm | 7.8 mm | 7.8 mm | 7.8 mm | 7.8 mm | 7.8 mm |