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Jobber drill long HSS N, uncoated, ⌀ DC h8: 28mm
Article no.: 116700 28
Article code:
- Tool material: HSS
- Standard: DIN 341
- Type: N
- Tolerance nominal ⌀: h8
- Point angle: 118
Product details
Technical Data
| Nominal ⌀ DC | 28 mm | |
| Coating | uncoated | |
| Tool material | HSS | |
| Standard | DIN 341 | |
| Type | N | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 118 degrees | |
| Helix angle | 16-30 degrees | |
| Shank | Morse taper | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| recommended maximum drilling depth L2 | 180 mm | |
| Flute length Lc | 222 mm | |
| Overall length L | 343 mm | |
| Morse taper MT size | 3 | |
| Feed f in steel < 750 N/mm2 | 0.25 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 116700 28 | |
| EAN / GTIN | 4045197034496 | |
| Manufacturer number | 116700 28 |
Application Table
P
40
P
30
P
25
K
25
Description
Version:
Compared to DIN 345 the flute length is longer by the drill bushing height. Thus the effective drilling depth is unaffected. Special surface treatment for improved chip evacuation.
With point geometry shape A.
With point geometry shape A.
Advantage:
For drilling through drill bushings in tool making, machine building and series production. Particularly important for drilling into uneven, inclined or arched surfaces.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.
Note:
Downloads & documents
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|
| Coating | uncoated | uncoated | uncoated | uncoated | uncoated |
| Standard | DIN 341 | DIN 345 | DIN 345 | DIN 345 | DIN 343 |
| Point angle | 118 degrees | 118 degrees | 118 degrees | 135 degrees | 120 degrees |
| Type | N | N | N | INOX | N |
| Feed f in steel < 750 N/mm2 | 0.25 mm/rev. | 0.25 mm/rev. | 0.25 mm/rev. | 0.25 mm/rev. | 0.26 mm/rev. |
| recommended maximum drilling depth L2 | 180 mm | 128 mm | 128 mm | 128 mm | 128 mm |
| Type of product | Jobber drill | Jobber drill | Jobber drill | Jobber drill | Jobber drill |