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Jobber drill long HSS N, uncoated, ⌀ DC h8: 20,5mm
Article no.: 116700 20,5
Article code:
- Tool material: HSS
- Standard: DIN 341
- Type: N
- Tolerance nominal ⌀: h8
- Point angle: 118
Product details
Technical Data
| Nominal ⌀ DC | 20.5 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 | 153.3 mm | |
| Flute length Lc | 184 mm | |
| Overall length L | 282 mm | |
| Morse taper MT size | 2 | |
| Feed f in steel < 750 N/mm2 | 0.2 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification numbers & Classifications
| Article number | 116700 20,5 | |
| EAN / GTIN | 4045197034397 | |
| Manufacturer number | 116700 20,5 |
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 |
| Overall length L | 282 mm | 243 mm | 243 mm | 243 mm | 243 mm |
| Through-coolant | no | no | no | no | no |
| Shank | Morse taper | Morse taper | Morse taper | Morse taper | Morse taper |
| Flute length Lc | 184 mm | 145 mm | 145 mm | 145 mm | 145 mm |
| Feed f in steel < 750 N/mm2 | 0.2 mm/rev. | 0.2 mm/rev. | 0.2 mm/rev. | 0.2 mm/rev. | 0.21 mm/rev. |
| recommended maximum drilling depth L2 | 153.3 mm | 114.3 mm | 114.3 mm | 114.3 mm | 114.3 mm |