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HSS jobber drill N 21,5 mm
Article no.: 116340 21,5
Article code:
- Tool material: HSS
- Norm: DIN 345
- Type: N
- Tolerance nominal ⌀: h8
- Point angle: 118
Product details
Technical Data
| Nominal ⌀ DC | 21.5 mm | |
| Coating | uncoated | |
| Tool material | HSS | |
| Norm | DIN 345 | |
| Type | N | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 118 degrees | |
| Helix angle | 20-30 degrees | |
| Shank | Morse taper | |
| Number of cutting edges Z | 2 | |
| Through-coolant | no | |
| recommended maximum drilling depth L2 | 117.8 mm | |
| Flute length Lc | 150 mm | |
| Overall length L | 248 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 | 116340 21,5 | |
| EAN / GTIN | 4045197030528 | |
| Manufacturer number | 116340 21,5 |
Application Table
N
45
P
40
P
30
P
25
K
25
Description
Version:
Special surface treatment, resulting in reduced tendency to edge build-up and improved chip evacuation.
Top quality high performance twist drills.
Cutting edge section ≤ 26.5 mm ⌀ ground from solid, > 26.5 mm ⌀ milled. This ensures high concentricity and pitch accuracy, and precision ground point up to 40 mm ⌀.
With shape A point.
Top quality high performance twist drills.
Cutting edge section ≤ 26.5 mm ⌀ ground from solid, > 26.5 mm ⌀ milled. This ensures high concentricity and pitch accuracy, and precision ground point up to 40 mm ⌀.
With shape A point.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.
Note:
Downloads & documents
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|
| Number of cutting edges Z | 2 | 2 | 2 | 3 |
| Overall length L | 248 | 248 | 248 | 248 |
| Through-coolant | no | no | no | no |
| Nominal ⌀ DC | 21.5 | 21.5 | 21.5 | 21.5 |
| Norm | DIN 345 | DIN 345 | DIN 345 | DIN 343 |
| Feed f in steel < 750 N/mm2 | 0.2 | 0.2 | 0.2 | 0.22 |
| Type of product | Jobber drill | Jobber drill | Jobber drill | Jobber drill |