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EAN / GTIN:
Manufacturer number:
Cat. No.:
Cermet reaming head HPC H7 steel Through hole, uncoated, Nominal ⌀ D: 20mm
Article no.: 239710 20
Article code:
Product details
Technical Data
| Tool material | HT | |
| Coating | uncoated | |
| Cutter diameter 1st step min. DC | 20 mm | |
| Hole to be created 1st step, ISO tolerance class | H7 | |
| Cutting edge length LC | 12 mm | |
| Overall length L | 43.3 mm | |
| Number of teeth | 6 | |
| Type of reaming tool | for through holes | |
| Through-coolant | yes | |
| Cooling lubricant | yes | |
| Series | TopCut | |
| Wet maximum | suitable | |
| Manufacturer’s designation | Cermet-Reibkopf HPC H7 Stahl | |
| Interface position | on the machine | |
| Holder type | screw holder | |
| Shank diameter DS | 16 mm | |
| Length of shank LS | 17.3 mm | |
| Oil | suitable | |
| Configurable | no | |
| Hole to be created 1st step, upper dimension | 0.021 mm | |
| Twist direction | left-hand | |
| Helix angle max. | 18 degrees | |
| Adjustment range | setting not possible | |
| Taper lead angle | 30 degrees | |
| Guide elements present | no | |
| Type of drive | machine reamer | |
| Machining group | P (steel) | |
| Cutting media, manufacturer’s designation | CU130 | |
| Interface | joint 1 | |
| Functional length | 26 mm | |
| Weight | 50 g | |
| Cutting direction | right-hand cutting | |
| Standard | Werksnorm | |
| Machining method | Reiben (BRE) | |
| Machining strategy | HPC | |
| Type of product | Reaming head | |
| Head length | 26 mm | |
| Content | single part |
Identification & Classification
| Article number | 239710 20 | |
| EAN / GTIN | 4062406115227 | |
| Manufacturer number | 239710 20 | |
| Manufacturer/responsible person | Hoffmann Supply Chain GmbH & Co. KG, Poststraße 15, 90471 Nürnberg, Germany, www.hoffmann-group.com |
Application Table
P
140
P
140
P
140
P
120
K
160
K
140
Description
Version:
Interchangeable head reamer system finish ground for fit IT7. Cutter geometry matched to the application.
System concentricity ≤ 5 µm (depending on the head and holder) when mounted.
With short flutes and left-hand helix.
System concentricity ≤ 5 µm (depending on the head and holder) when mounted.
With short flutes and left-hand helix.
Application:
For through holes.
For HPC/HSC reaming.
For HPC/HSC reaming.