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Manufacturer number:
Cat. Nr.:
DIN counterbore for through holes, uncoated, Counterbore ⌀ D1 ×pin ⌀ D2: 18X10,5mm
Article no.: 156120 18X10,5
Article code:
- Tool material: HSS
- Number of cutting edges Z: 3
- Standard: Manufacturer’s standard
- Shank: Morse taper
Product details
Technical Data
| Counterbore ⌀ | 18 mm | |
| Coating | uncoated | |
| Pin ⌀ | 10,5 mm | |
| Tool material | HSS | |
| Number of cutting edges Z | 3 | |
| Standard | Manufacturer’s standard | |
| Shank | Morse taper | |
| for screw size | M10 | |
| for quality of the hole | f | |
| Overall length L | 150 mm | |
| Morse taper MT | 2 | |
| Feed f in steel < 500 N/mm2 | 0.14 mm/rev. | |
| Through-coolant | no | |
| Pre-drill ⌀ | 10.5 mm | |
| Step height L1 1st step with chamfer | 25 mm | |
| Cutter length lc | 25 mm | |
| Point angle | 180 degrees | |
| Type of product | Counterbore |
Identification & Classification
| Article number | 156120 18X10,5 | |
| EAN / GTIN | 4045197087812 | |
| Manufacturer number | 156120 18X10,5 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
N
33
P
28
P
27
Description
Version:
Spiral fluted counterbore. The pilot ⌀ matches the intended purpose:
f − for through holes fine quality to DIN ISO 273.
m for through holes medium quality to DIN ISO 273.
f − for through holes fine quality to DIN ISO 273.
m for through holes medium quality to DIN ISO 273.
Application:
For counterboring socket head screws DIN 912, 6912, 7984, and cheese head screws ISO 1207 (DIN 84).