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HSS core drill N, uncoated, ⌀ DC h8: 17,75mm
Article no.: 116620 17,75
Article code:
- Tool material: HSS
- Standard: DIN 343
- Type: N
- Tolerance nominal ⌀: h8
- Point angle: 120
Product details
Technical Data
| Nominal ⌀ DC | 17.75 mm | |
| Coating | uncoated | |
| Tool material | HSS | |
| Standard | DIN 343 | |
| Type | N | |
| Tolerance nominal ⌀ | h8 | |
| Point angle | 120 degrees | |
| Shank | Morse taper | |
| Number of cutting edges Z | 3 | |
| Through-coolant | no | |
| recommended maximum drilling depth L2 | 103.4 mm | |
| Flute length Lc | 130 mm | |
| Overall length L | 228 mm | |
| Min. pre-drilling -⌀ Dmin | 12.6 mm | |
| Morse taper MT size | 2 | |
| Feed f in steel < 750 N/mm2 | 0.19 mm/rev. | |
| Colour ring | without | |
| Type of product | Jobber drill |
Identification & Classification
| Article number | 116620 17,75 | |
| EAN / GTIN | 4045197033741 | |
| Manufacturer number | 116620 17,75 | |
| Manufacturer | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
45
P
40
P
30
P
25
P
10
P
8
M
12
K
25
Description
Version:
Strong core. Sturdy jobber drill for better guidance in the hole
Advantage:
Particularly suitable for drilling out holes that are out of round. Misaligned holes can be aligned.
Recommendation:
Maximum drilling depth:
L2 = LC - 1.5 × DC.
L2 = LC - 1.5 × DC.