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High-precision countersink 90°, uncoated, External ⌀ Dc: 16,5mm
Article no.: 150390 16,5
Article code:
- Countersink tip angle: 90
- Tool material: HSS
- Number of cutting edges Z: 3
- Standard: DIN 335 D
- Shank: Morse taper
Product details
Technical Data
| External ⌀ | 16.5 mm | |
| Coating | uncoated | |
| Countersink tip angle | 90 degrees | |
| Tool material | HSS | |
| Number of cutting edges Z | 3 | |
| Standard | DIN 335 D | |
| Shank | Morse taper | |
| Through-coolant | no | |
| smallest countersink ⌀ for holes from | 3.2 mm | |
| Overall length L | 85 mm | |
| Morse taper MT | 1 | |
| for countersunk screws DIN 7991 | M8 | |
| Feed f in steel < 500 N/mm2 | 0.14 mm/rev. | |
| Colour ring | without | |
| Pre-drill ⌀ | 3.2 mm | |
| Type of product | Stepped drill and countersink |
Identification & Classification
| Article number | 150390 16,5 | |
| EAN / GTIN | 4045197086716 | |
| Manufacturer number | 150390 16,5 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
70
N
33
P
28
P
27
P
27
Description
Version:
Countersinks radially relief ground. Chip flutes are ground from solid up to size 31. Chip angle varies with the countersink ⌀ for optimum chip formation. Countersink point and circumference are relief ground and cut easily.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-D.
High-precision countersink, produced with tight manufacturing tolerances similar to DIN 335-D.